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CVE-2025-38727
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#ICWGI7
CVE和安全问题
openeuler-ci-bot
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Opened this issue
2025-09-05 01:51
一、漏洞信息 漏洞编号：[CVE-2025-38727](https://nvd.nist.gov/vuln/detail/CVE-2025-38727) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0 CVSS V4.0分值： BaseScore：N/A None Vector： 漏洞简述： In the Linux kernel, the netlink_unicast() function s netlink_attachskb() memory allocation check logic has a flaw. When skb->truesize + sk->sk_rmem_alloc equals sk->sk_rcvbuf, the check conditions fail to cover this scenario, causing the function to enter an infinite retry loop which triggers RCU scheduling stalls. This vulnerability was discovered by Linux Verification Center and affects the 5.10.240 kernel version. 漏洞公开时间：2025-09-05 00:15:42 漏洞创建时间：2025-09-05 01:51:21 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2025-38727 <details> <summary>更多参考(点击展开)</summary> | 参考来源 | 参考链接 | 来源链接 | | ------- | -------- | -------- | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39684 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38058 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38005 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40104 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37861 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49894 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40155 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38109 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-57900 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38350 | | | | https://ubuntu.com/security/CVE-2025-38727 | | | | https://linux.oracle.com/errata/ELSA-2025-20663.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39994 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38667 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40049 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40149 | | | | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2804 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38584 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42245 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49863 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39677 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40061 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38664 | | | | https://www.cve.org/CVERecord?id=CVE-2025-38727 | | | | https://lore.kernel.org/linux-cve-announce/2025090402-CVE-2025-38727-a22c@gregkh/T | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-21945 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-23133 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38231 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-41079 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49957 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40075 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38470 | | | | https://git.kernel.org/stable/c/346c820ef5135cf062fa3473da955ef8c5fb6929 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39947 | | | | https://git.kernel.org/stable/c/f324959ad47e62e3cadaffa65d3cff790fb48529 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40121 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-40902 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39817 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42297 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38071 | | | | https://linux.oracle.com/errata/ELSA-2025-20716.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40074 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38361 | | | | https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40139 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38282 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-57887 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40135 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22025 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38633 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-21968 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38614 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38381 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49962 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37997 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-50002 | | | | https://security-tracker.debian.org/tracker/CVE-2025-38727 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22039 | | | | https://git.kernel.org/linus/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40058 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40158 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39866 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39881 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42101 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39697 | | | | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2803 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39825 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38443 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49935 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37899 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49925 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40052 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38457 | | | | https://git.kernel.org/stable/c/44ddd7b1ae0b7edb2c832eb16798c827a05e58f0 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38706 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49905 | | | | https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html | | | | https://bugzilla.redhat.com/show_bug.cgi?id=2393167 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38477 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22042 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-40904 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39911 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49950 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38588 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38636 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38615 | | | | https://lore.kernel.org/linux-cve-announce/2025090402-CVE-2025-38727-a22c@gregkh/T/#u | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49948 | | | | https://git.kernel.org/stable/c/78fcd69d55c5f11d7694c547eca767a1cfd38ec4 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38566 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49949 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-53131 | | | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38659 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38527 | | | | https://linux.oracle.com/errata/ELSA-2025-20662.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38727 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22043 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39810 | | | | https://git.kernel.org/stable/c/6bee383ff83352a693d03efdf27cdd80742f71b2 | | </details> 漏洞分析指导链接： https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md 漏洞数据来源: 七彩瞬析开源风险感知平台 漏洞补丁信息： <details> <summary>详情(点击展开)</summary> | 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源 | | ------- | -------- | ------- | -------- | --------- | | gregkh/linux | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | ljqc | | | | https://git.kernel.org/stable/c/346c820ef5135cf062fa3473da955ef8c5fb6929 | | cvelistv5 | | | | https://git.kernel.org/stable/c/f324959ad47e62e3cadaffa65d3cff790fb48529 | | cvelistv5 | | | | https://git.kernel.org/linus/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | osv | | | | https://git.kernel.org/stable/c/44ddd7b1ae0b7edb2c832eb16798c827a05e58f0 | | cvelistv5 | | | | https://git.kernel.org/stable/c/78fcd69d55c5f11d7694c547eca767a1cfd38ec4 | | cvelistv5 | | | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | cvelistv5 | | | | https://git.kernel.org/stable/c/6bee383ff83352a693d03efdf27cdd80742f71b2 | | cvelistv5 | | | | https://git.kernel.org/stable/c/e8edc7de688791a337c068693f22e8d8b869df71 | | cvelistv5 | | | | https://git.kernel.org/stable/c/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | cvelistv5 | | | | https://git.kernel.org/stable/c/d42b71a34f6b8a2d5c53df81169b03b8d8b5cf4e | | cvelistv5 | </details> 二、漏洞分析结构反馈 影响性分析说明： In the Linux kernel, the following vulnerability has been resolved:netlink: avoid infinite retry looping in netlink_unicast()netlink_attachskb() checks for the socket's read memory allocationconstraints. Firstly, it has: rmem < READ_ONCE(sk->sk_rcvbuf)to check if the just increased rmem value fits into the socket's receivebuffer. If not, it proceeds and tries to wait for the memory under: rmem + skb->truesize > READ_ONCE(sk->sk_rcvbuf)The checks don't cover the case when skb->truesize + sk->sk_rmem_alloc isequal to sk->sk_rcvbuf. Thus the function neither successfully acceptsthese conditions, nor manages to reschedule the task - and is called inretry loop for indefinite time which is caught as: rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-....: (25999 ticks this GP) idle=ef2/1/0x4000000000000000 softirq=262269/262269 fqs=6212 (t=26000 jiffies g=230833 q=259957) NMI backtrace for cpu 0 CPU: 0 PID: 22 Comm: kauditd Not tainted 5.10.240 #68 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-4.fc42 04/01/2014 Call Trace: <IRQ> dump_stack lib/dump_stack.c:120 nmi_cpu_backtrace.cold lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace lib/nmi_backtrace.c:62 rcu_dump_cpu_stacks kernel/rcu/tree_stall.h:335 rcu_sched_clock_irq.cold kernel/rcu/tree.c:2590 update_process_times kernel/time/timer.c:1953 tick_sched_handle kernel/time/tick-sched.c:227 tick_sched_timer kernel/time/tick-sched.c:1399 __hrtimer_run_queues kernel/time/hrtimer.c:1652 hrtimer_interrupt kernel/time/hrtimer.c:1717 __sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 asm_call_irq_on_stack arch/x86/entry/entry_64.S:808 </IRQ> netlink_attachskb net/netlink/af_netlink.c:1234 netlink_unicast net/netlink/af_netlink.c:1349 kauditd_send_queue kernel/audit.c:776 kauditd_thread kernel/audit.c:897 kthread kernel/kthread.c:328 ret_from_fork arch/x86/entry/entry_64.S:304Restore the original behavior of the check which commit in Fixesaccidentally missed when restructuring the code.Found by Linux Verification Center (linuxtesting.org).The Linux kernel CVE team has assigned CVE-2025-38727 to this issue. openEuler评分： 5.5 Vector：CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 受影响版本排查(受影响/不受影响)： 1.master(6.12.33):不受影响 2.openEuler-20.03-LTS-SP4:不受影响 3.openEuler-22.03-LTS-SP3(5.10.0):受影响 4.openEuler-22.03-LTS-SP4(5.10.0):受影响 5.openEuler-24.03-LTS:受影响 6.openEuler-24.03-LTS-Next:不受影响 7.openEuler-24.03-LTS-SP1:受影响 8.openEuler-24.03-LTS-SP2:受影响 9.openEuler-24.03-LTS-SP3:不受影响 修复是否涉及abi变化(是/否)： 1.master(6.12.33):否 2.openEuler-20.03-LTS-SP4:否 3.openEuler-22.03-LTS-SP3(5.10.0):否 4.openEuler-22.03-LTS-SP4(5.10.0):否 5.openEuler-24.03-LTS:否 6.openEuler-24.03-LTS-Next:否 7.openEuler-24.03-LTS-SP1:否 8.openEuler-24.03-LTS-SP2:否 9.openEuler-24.03-LTS-SP3:否 原因说明： 1.master(6.12.33):不受影响-漏洞代码不能被攻击者触发 2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在 3.openEuler-22.03-LTS-SP3(5.10.0):不修复-超出修复范围 4.openEuler-22.03-LTS-SP4(5.10.0):不修复-超出修复范围 5.openEuler-24.03-LTS:正常修复 6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发 7.openEuler-24.03-LTS-SP1:正常修复 8.openEuler-24.03-LTS-SP2:正常修复 9.openEuler-24.03-LTS-SP3:不受影响-漏洞代码不能被攻击者触发
一、漏洞信息 漏洞编号：[CVE-2025-38727](https://nvd.nist.gov/vuln/detail/CVE-2025-38727) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.4.0,6.6.0 CVSS V4.0分值： BaseScore：N/A None Vector： 漏洞简述： In the Linux kernel, the netlink_unicast() function s netlink_attachskb() memory allocation check logic has a flaw. When skb->truesize + sk->sk_rmem_alloc equals sk->sk_rcvbuf, the check conditions fail to cover this scenario, causing the function to enter an infinite retry loop which triggers RCU scheduling stalls. This vulnerability was discovered by Linux Verification Center and affects the 5.10.240 kernel version. 漏洞公开时间：2025-09-05 00:15:42 漏洞创建时间：2025-09-05 01:51:21 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2025-38727 <details> <summary>更多参考(点击展开)</summary> | 参考来源 | 参考链接 | 来源链接 | | ------- | -------- | -------- | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39684 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38058 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38005 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40104 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37861 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49894 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40155 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38109 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-57900 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38350 | | | | https://ubuntu.com/security/CVE-2025-38727 | | | | https://linux.oracle.com/errata/ELSA-2025-20663.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39994 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38667 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40049 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40149 | | | | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2804 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38584 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42245 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49863 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39677 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40061 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38664 | | | | https://www.cve.org/CVERecord?id=CVE-2025-38727 | | | | https://lore.kernel.org/linux-cve-announce/2025090402-CVE-2025-38727-a22c@gregkh/T | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-21945 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-23133 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38231 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-41079 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49957 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40075 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38470 | | | | https://git.kernel.org/stable/c/346c820ef5135cf062fa3473da955ef8c5fb6929 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39947 | | | | https://git.kernel.org/stable/c/f324959ad47e62e3cadaffa65d3cff790fb48529 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40121 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-40902 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39817 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42297 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38071 | | | | https://linux.oracle.com/errata/ELSA-2025-20716.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40074 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38361 | | | | https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40139 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38282 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-57887 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40135 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22025 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38633 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-21968 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38614 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38381 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49962 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37997 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-50002 | | | | https://security-tracker.debian.org/tracker/CVE-2025-38727 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22039 | | | | https://git.kernel.org/linus/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40058 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40158 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39866 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39881 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-42101 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39697 | | | | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2803 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39825 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38443 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49935 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-37899 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49925 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-40052 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38457 | | | | https://git.kernel.org/stable/c/44ddd7b1ae0b7edb2c832eb16798c827a05e58f0 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38706 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49905 | | | | https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html | | | | https://bugzilla.redhat.com/show_bug.cgi?id=2393167 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38477 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22042 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-40904 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39911 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49950 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38588 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38636 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38615 | | | | https://lore.kernel.org/linux-cve-announce/2025090402-CVE-2025-38727-a22c@gregkh/T/#u | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49948 | | | | https://git.kernel.org/stable/c/78fcd69d55c5f11d7694c547eca767a1cfd38ec4 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38566 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-49949 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-53131 | | | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | | | https://nvd.nist.gov/vuln/detail/CVE-2024-38659 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38527 | | | | https://linux.oracle.com/errata/ELSA-2025-20662.html | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-38727 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-22043 | | | | https://nvd.nist.gov/vuln/detail/CVE-2025-39810 | | | | https://git.kernel.org/stable/c/6bee383ff83352a693d03efdf27cdd80742f71b2 | | </details> 漏洞分析指导链接： https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md 漏洞数据来源: 七彩瞬析开源风险感知平台 漏洞补丁信息： <details> <summary>详情(点击展开)</summary> | 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源 | | ------- | -------- | ------- | -------- | --------- | | gregkh/linux | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | ljqc | | | | https://git.kernel.org/stable/c/346c820ef5135cf062fa3473da955ef8c5fb6929 | | cvelistv5 | | | | https://git.kernel.org/stable/c/f324959ad47e62e3cadaffa65d3cff790fb48529 | | cvelistv5 | | | | https://git.kernel.org/linus/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | osv | | | | https://git.kernel.org/stable/c/44ddd7b1ae0b7edb2c832eb16798c827a05e58f0 | | cvelistv5 | | | | https://git.kernel.org/stable/c/78fcd69d55c5f11d7694c547eca767a1cfd38ec4 | | cvelistv5 | | | | https://git.kernel.org/stable/c/47d49fd07f86d1f55ea1083287303d237e9e0922 | | cvelistv5 | | | | https://git.kernel.org/stable/c/6bee383ff83352a693d03efdf27cdd80742f71b2 | | cvelistv5 | | | | https://git.kernel.org/stable/c/e8edc7de688791a337c068693f22e8d8b869df71 | | cvelistv5 | | | | https://git.kernel.org/stable/c/759dfc7d04bab1b0b86113f1164dc1fec192b859 | | cvelistv5 | | | | https://git.kernel.org/stable/c/d42b71a34f6b8a2d5c53df81169b03b8d8b5cf4e | | cvelistv5 | </details> 二、漏洞分析结构反馈 影响性分析说明： In the Linux kernel, the following vulnerability has been resolved:netlink: avoid infinite retry looping in netlink_unicast()netlink_attachskb() checks for the socket's read memory allocationconstraints. Firstly, it has: rmem < READ_ONCE(sk->sk_rcvbuf)to check if the just increased rmem value fits into the socket's receivebuffer. If not, it proceeds and tries to wait for the memory under: rmem + skb->truesize > READ_ONCE(sk->sk_rcvbuf)The checks don't cover the case when skb->truesize + sk->sk_rmem_alloc isequal to sk->sk_rcvbuf. Thus the function neither successfully acceptsthese conditions, nor manages to reschedule the task - and is called inretry loop for indefinite time which is caught as: rcu: INFO: rcu_sched self-detected stall on CPU rcu: 0-....: (25999 ticks this GP) idle=ef2/1/0x4000000000000000 softirq=262269/262269 fqs=6212 (t=26000 jiffies g=230833 q=259957) NMI backtrace for cpu 0 CPU: 0 PID: 22 Comm: kauditd Not tainted 5.10.240 #68 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.17.0-4.fc42 04/01/2014 Call Trace: <IRQ> dump_stack lib/dump_stack.c:120 nmi_cpu_backtrace.cold lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace lib/nmi_backtrace.c:62 rcu_dump_cpu_stacks kernel/rcu/tree_stall.h:335 rcu_sched_clock_irq.cold kernel/rcu/tree.c:2590 update_process_times kernel/time/timer.c:1953 tick_sched_handle kernel/time/tick-sched.c:227 tick_sched_timer kernel/time/tick-sched.c:1399 __hrtimer_run_queues kernel/time/hrtimer.c:1652 hrtimer_interrupt kernel/time/hrtimer.c:1717 __sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1113 asm_call_irq_on_stack arch/x86/entry/entry_64.S:808 </IRQ> netlink_attachskb net/netlink/af_netlink.c:1234 netlink_unicast net/netlink/af_netlink.c:1349 kauditd_send_queue kernel/audit.c:776 kauditd_thread kernel/audit.c:897 kthread kernel/kthread.c:328 ret_from_fork arch/x86/entry/entry_64.S:304Restore the original behavior of the check which commit in Fixesaccidentally missed when restructuring the code.Found by Linux Verification Center (linuxtesting.org).The Linux kernel CVE team has assigned CVE-2025-38727 to this issue. openEuler评分： 5.5 Vector：CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H 受影响版本排查(受影响/不受影响)： 1.master(6.12.33):不受影响 2.openEuler-20.03-LTS-SP4:不受影响 3.openEuler-22.03-LTS-SP3(5.10.0):受影响 4.openEuler-22.03-LTS-SP4(5.10.0):受影响 5.openEuler-24.03-LTS:受影响 6.openEuler-24.03-LTS-Next:不受影响 7.openEuler-24.03-LTS-SP1:受影响 8.openEuler-24.03-LTS-SP2:受影响 9.openEuler-24.03-LTS-SP3:不受影响 修复是否涉及abi变化(是/否)： 1.master(6.12.33):否 2.openEuler-20.03-LTS-SP4:否 3.openEuler-22.03-LTS-SP3(5.10.0):否 4.openEuler-22.03-LTS-SP4(5.10.0):否 5.openEuler-24.03-LTS:否 6.openEuler-24.03-LTS-Next:否 7.openEuler-24.03-LTS-SP1:否 8.openEuler-24.03-LTS-SP2:否 9.openEuler-24.03-LTS-SP3:否 原因说明： 1.master(6.12.33):不受影响-漏洞代码不能被攻击者触发 2.openEuler-20.03-LTS-SP4:不受影响-漏洞代码不存在 3.openEuler-22.03-LTS-SP3(5.10.0):不修复-超出修复范围 4.openEuler-22.03-LTS-SP4(5.10.0):不修复-超出修复范围 5.openEuler-24.03-LTS:正常修复 6.openEuler-24.03-LTS-Next:不受影响-漏洞代码不能被攻击者触发 7.openEuler-24.03-LTS-SP1:正常修复 8.openEuler-24.03-LTS-SP2:正常修复 9.openEuler-24.03-LTS-SP3:不受影响-漏洞代码不能被攻击者触发
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