CVE-2024-56585

一、漏洞信息
 漏洞编号：[CVE-2024-56585](https://nvd.nist.gov/vuln/detail/CVE-2024-56585)
 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 V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  In the Linux kernel, the following vulnerability has been resolved:LoongArch: Fix sleeping in atomic context for PREEMPT_RTCommit bab1c299f3945ffe79 ( LoongArch: Fix sleeping in atomic context insetup_tlb_handler() ) changes the gfp flag from GFP_KERNEL to GFP_ATOMICfor alloc_pages_node(). However, for PREEMPT_RT kernels we can still geta  sleeping in atomic context  error:[    0.372259] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48[    0.372266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1[    0.372268] preempt_count: 1, expected: 0[    0.372270] RCU nest depth: 1, expected: 1[    0.372272] 3 locks held by swapper/1/0:[    0.372274]  #0: 900000000c9f5e60 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x524/0x1c60[    0.372294]  #1: 90000000087013b8 (rcu_read_lock){....}-{1:3}, at: rt_spin_trylock+0x50/0x140[    0.372305]  #2: 900000047fffd388 (&zone->lock){+.+.}-{3:3}, at: __rmqueue_pcplist+0x30c/0xea0[    0.372314] irq event stamp: 0[    0.372316] hardirqs last  enabled at (0): [<0000000000000000>] 0x0[    0.372322] hardirqs last disabled at (0): [<9000000005947320>] copy_process+0x9c0/0x26e0[    0.372329] softirqs last  enabled at (0): [<9000000005947320>] copy_process+0x9c0/0x26e0[    0.372335] softirqs last disabled at (0): [<0000000000000000>] 0x0[    0.372341] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7+ #1891[    0.372346] Hardware name: Loongson Loongson-3A5000-7A1000-1w-CRB/Loongson-LS3A5000-7A1000-1w-CRB, BIOS vUDK2018-LoongArch-V2.0.0-prebeta9 10/21/2022[    0.372349] Stack : 0000000000000089 9000000005a0db9c 90000000071519c8 9000000100388000[    0.372486]         900000010038b890 0000000000000000 900000010038b898 9000000007e53788[    0.372492]         900000000815bcc8 900000000815bcc0 900000010038b700 0000000000000001[    0.372498]         0000000000000001 4b031894b9d6b725 00000000055ec000 9000000100338fc0[    0.372503]         00000000000000c4 0000000000000001 000000000000002d 0000000000000003[    0.372509]         0000000000000030 0000000000000003 00000000055ec000 0000000000000003[    0.372515]         900000000806d000 9000000007e53788 00000000000000b0 0000000000000004[    0.372521]         0000000000000000 0000000000000000 900000000c9f5f10 0000000000000000[    0.372526]         90000000076f12d8 9000000007e53788 9000000005924778 0000000000000000[    0.372532]         00000000000000b0 0000000000000004 0000000000000000 0000000000070000[    0.372537]         ...[    0.372540] Call Trace:[    0.372542] [<9000000005924778>] show_stack+0x38/0x180[    0.372548] [<90000000071519c4>] dump_stack_lvl+0x94/0xe4[    0.372555] [<900000000599b880>] __might_resched+0x1a0/0x260[    0.372561] [<90000000071675cc>] rt_spin_lock+0x4c/0x140[    0.372565] [<9000000005cbb768>] __rmqueue_pcplist+0x308/0xea0[    0.372570] [<9000000005cbed84>] get_page_from_freelist+0x564/0x1c60[    0.372575] [<9000000005cc0d98>] __alloc_pages_noprof+0x218/0x1820[    0.372580] [<900000000593b36c>] tlb_init+0x1ac/0x298[    0.372585] [<9000000005924b74>] per_cpu_trap_init+0x114/0x140[    0.372589] [<9000000005921964>] cpu_probe+0x4e4/0xa60[    0.372592] [<9000000005934874>] start_secondary+0x34/0xc0[    0.372599] [<900000000715615c>] smpboot_entry+0x64/0x6cThis is because in PREEMPT_RT kernels normal spinlocks are replaced byrt spinlocks and rt_spin_lock() will cause sleeping. Fix it by disablingNUMA optimization completely for PREEMPT_RT kernels.
 漏洞公开时间：2024-12-27 23:15:17
 漏洞创建时间：2024-12-28 00:03:20
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-56585
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/08715b741f9b2a925d6485491e4907f3b29bac70 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/6575e0867bd478a5d7ef1783ca1e73160807d238 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/88fd2b70120d52c1010257d36776876941375490 |  |
| 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/c5f89458a2ea0800866b9fc690d3fa8367dc8f8d |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-56585 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-56585 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://git.kernel.org/stable/c/08715b741f9b2a925d6485491e4907f3b29bac70 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://git.kernel.org/stable/c/6575e0867bd478a5d7ef1783ca1e73160807d238 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://git.kernel.org/stable/c/88fd2b70120d52c1010257d36776876941375490 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://git.kernel.org/stable/c/c5f89458a2ea0800866b9fc690d3fa8367dc8f8d | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2024/CVE-2024-56585.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2334480 | https://bugzilla.suse.com/show_bug.cgi?id=1235127 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024122757-CVE-2024-56585-ad56@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2334480 |
| redhat_bugzilla | https://lore.kernel.org/linux-cve-announce/2024122757-CVE-2024-56585-ad56@gregkh/T | https://bugzilla.redhat.com/show_bug.cgi?id=2334480 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-56585 |

</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:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</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:LoongArch: Fix sleeping in atomic context for PREEMPT_RTCommit bab1c299f3945ffe79 (&#34;LoongArch: Fix sleeping in atomic context insetup_tlb_handler()&#34;) changes the gfp flag from GFP_KERNEL to GFP_ATOMICfor alloc_pages_node(). However, for PREEMPT_RT kernels we can still geta &#34;sleeping in atomic context&#34; error:[    0.372259] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48[    0.372266] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1[    0.372268] preempt_count: 1, expected: 0[    0.372270] RCU nest depth: 1, expected: 1[    0.372272] 3 locks held by swapper/1/0:[    0.372274]  #0: 900000000c9f5e60 (&#38;pcp-&gt;lock){+.+.}-{3:3}, at: get_page_from_freelist+0x524/0x1c60[    0.372294]  #1: 90000000087013b8 (rcu_read_lock){....}-{1:3}, at: rt_spin_trylock+0x50/0x140[    0.372305]  #2: 900000047fffd388 (&#38;zone-&gt;lock){+.+.}-{3:3}, at: __rmqueue_pcplist+0x30c/0xea0[    0.372314] irq event stamp: 0[    0.372316] hardirqs last  enabled at (0): [&lt;0000000000000000&gt;] 0x0[    0.372322] hardirqs last disabled at (0): [&lt;9000000005947320&gt;] copy_process+0x9c0/0x26e0[    0.372329] softirqs last  enabled at (0): [&lt;9000000005947320&gt;] copy_process+0x9c0/0x26e0[    0.372335] softirqs last disabled at (0): [&lt;0000000000000000&gt;] 0x0[    0.372341] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc7+ #1891[    0.372346] Hardware name: Loongson Loongson-3A5000-7A1000-1w-CRB/Loongson-LS3A5000-7A1000-1w-CRB, BIOS vUDK2018-LoongArch-V2.0.0-prebeta9 10/21/2022[    0.372349] Stack : 0000000000000089 9000000005a0db9c 90000000071519c8 9000000100388000[    0.372486]         900000010038b890 0000000000000000 900000010038b898 9000000007e53788[    0.372492]         900000000815bcc8 900000000815bcc0 900000010038b700 0000000000000001[    0.372498]         0000000000000001 4b031894b9d6b725 00000000055ec000 9000000100338fc0[    0.372503]         00000000000000c4 0000000000000001 000000000000002d 0000000000000003[    0.372509]         0000000000000030 0000000000000003 00000000055ec000 0000000000000003[    0.372515]         900000000806d000 9000000007e53788 00000000000000b0 0000000000000004[    0.372521]         0000000000000000 0000000000000000 900000000c9f5f10 0000000000000000[    0.372526]         90000000076f12d8 9000000007e53788 9000000005924778 0000000000000000[    0.372532]         00000000000000b0 0000000000000004 0000000000000000 0000000000070000[    0.372537]         ...[    0.372540] Call Trace:[    0.372542] [&lt;9000000005924778&gt;] show_stack+0x38/0x180[    0.372548] [&lt;90000000071519c4&gt;] dump_stack_lvl+0x94/0xe4[    0.372555] [&lt;900000000599b880&gt;] __might_resched+0x1a0/0x260[    0.372561] [&lt;90000000071675cc&gt;] rt_spin_lock+0x4c/0x140[    0.372565] [&lt;9000000005cbb768&gt;] __rmqueue_pcplist+0x308/0xea0[    0.372570] [&lt;9000000005cbed84&gt;] get_page_from_freelist+0x564/0x1c60[    0.372575] [&lt;9000000005cc0d98&gt;] __alloc_pages_noprof+0x218/0x1820[    0.372580] [&lt;900000000593b36c&gt;] tlb_init+0x1ac/0x298[    0.372585] [&lt;9000000005924b74&gt;] per_cpu_trap_init+0x114/0x140[    0.372589] [&lt;9000000005921964&gt;] cpu_probe+0x4e4/0xa60[    0.372592] [&lt;9000000005934874&gt;] start_secondary+0x34/0xc0[    0.372599] [&lt;900000000715615c&gt;] smpboot_entry+0x64/0x6cThis is because in PREEMPT_RT kernels normal spinlocks are replaced byrt spinlocks and rt_spin_lock() will cause sleeping. Fix it by disablingNUMA optimization completely for PREEMPT_RT kernels.The Linux kernel CVE team has assigned CVE-2024-56585 to this issue.
 openEuler评分：
  5.5
 Vector：CVSS：3.0/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.openEuler-22.03-LTS-SP1(5.10.0):受影响
2.openEuler-22.03-LTS-SP3(5.10.0):受影响
3.openEuler-22.03-LTS-SP4:受影响
4.openEuler-24.03-LTS(6.6.0):受影响
5.openEuler-24.03-LTS-SP1(6.6.0):受影响
6.openEuler-20.03-LTS-SP4(4.19.90):不受影响
7.master(6.12.33):不受影响
8.openEuler-24.03-LTS-Next(6.6.0):不受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP4(4.19.90):否
2.openEuler-22.03-LTS-SP1(5.10.0):否
3.openEuler-22.03-LTS-SP3(5.10.0):否
4.master(6.12.33):否
5.openEuler-24.03-LTS(6.6.0):否
6.openEuler-24.03-LTS-Next(6.6.0):否
7.openEuler-22.03-LTS-SP4:否
8.openEuler-24.03-LTS-SP1(6.6.0):否

原因说明：
  1.openEuler-24.03-LTS(6.6.0):正常修复
2.openEuler-24.03-LTS-SP1(6.6.0):正常修复
3.openEuler-22.03-LTS-SP1(5.10.0):暂不修复-暂无解决方案或补丁
4.openEuler-22.03-LTS-SP3(5.10.0):暂不修复-暂无解决方案或补丁
5.openEuler-22.03-LTS-SP4:暂不修复-暂无解决方案或补丁
6.master(6.12.33):不受影响-漏洞代码不能被攻击者触发
7.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发
8.openEuler-20.03-LTS-SP4(4.19.90):不受影响-漏洞代码不存在

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1079

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