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CVE-2022-49337
Done
#IBP72J
CVE和安全问题
openeuler-ci-bot
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Opened this issue
2025-02-26 18:35
一、漏洞信息 漏洞编号：[CVE-2022-49337](https://nvd.nist.gov/vuln/detail/CVE-2022-49337) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.1.8,6.4.0,6.6.0 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:ocfs2: dlmfs: fix error handling of user_dlm_destroy_lockWhen user_dlm_destroy_lock failed, it didn t clean up the flags it setbefore exit. For USER_LOCK_IN_TEARDOWN, if this function fails because oflock is still in used, next time when unlink invokes this function, itwill return succeed, and then unlink will remove inode and dentry if lockis not in used(file closed), but the dlm lock is still linked in dlm lockresource, then when bast come in, it will trigger a panic due touser-after-free. See the following panic call trace. To fix this,USER_LOCK_IN_TEARDOWN should be reverted if fail. And also error shouldbe returned if USER_LOCK_IN_TEARDOWN is set to let user know that unlinkfail.For the case of ocfs2_dlm_unlock failure, besides USER_LOCK_IN_TEARDOWN,USER_LOCK_BUSY is also required to be cleared. Even though spin lock isreleased in between, but USER_LOCK_IN_TEARDOWN is still set, forUSER_LOCK_BUSY, if before every place that waits on this flag,USER_LOCK_IN_TEARDOWN is checked to bail out, that will make sure no flowwaits on the busy flag set by user_dlm_destroy_lock(), then we cansimplely revert USER_LOCK_BUSY when ocfs2_dlm_unlock fails. Fixuser_dlm_cluster_lock() which is the only function not following this.[ 941.336392] (python,26174,16):dlmfs_unlink:562 ERROR: unlink004fb0000060000b5a90b8c847b72e1, error -16 from destroy[ 989.757536] ------------[ cut here ]------------[ 989.757709] kernel BUG at fs/ocfs2/dlmfs/userdlm.c:173![ 989.757876] invalid opcode: 0000 [#1] SMP[ 989.758027] Modules linked in: ksplice_2zhuk2jr_ib_ipoib_new(O)ksplice_2zhuk2jr(O) mptctl mptbase xen_netback xen_blkback xen_gntallocxen_gntdev xen_evtchn cdc_ether usbnet mii ocfs2 jbd2 rpcsec_gss_krb5auth_rpcgss nfsv4 nfsv3 nfs_acl nfs fscache lockd grace ocfs2_dlmfsocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs bnx2fcfcoe libfcoe libfc scsi_transport_fc sunrpc ipmi_devintf bridge stp llcrds_rdma rds bonding ib_sdp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umadrdma_cm ib_cm iw_cm falcon_lsm_serviceable(PE) falcon_nf_netcontain(PE)mlx4_vnic falcon_kal(E) falcon_lsm_pinned_13402(E) mlx4_ib ib_sa ib_madib_core ib_addr xenfs xen_privcmd dm_multipath iTCO_wdt iTCO_vendor_supportpcspkr sb_edac edac_core i2c_i801 lpc_ich mfd_core ipmi_ssif i2c_core ipmi_siipmi_msghandler[ 989.760686] ioatdma sg ext3 jbd mbcache sd_mod ahci libahci ixgbe dca ptppps_core vxlan udp_tunnel ip6_udp_tunnel megaraid_sas mlx4_core crc32c_intelbe2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 cxgb3 mdiolibiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi wmidm_mirror dm_region_hash dm_log dm_mod [last unloaded:ksplice_2zhuk2jr_ib_ipoib_old][ 989.761987] CPU: 10 PID: 19102 Comm: dlm_thread Tainted: P OE4.1.12-124.57.1.el6uek.x86_64 #2[ 989.762290] Hardware name: Oracle Corporation ORACLE SERVERX5-2/ASM,MOTHERBOARD,1U, BIOS 30350100 06/17/2021[ 989.762599] task: ffff880178af6200 ti: ffff88017f7c8000 task.ti:ffff88017f7c8000[ 989.762848] RIP: e030:[<ffffffffc07d4316>] [<ffffffffc07d4316>]__user_dlm_queue_lockres.part.4+0x76/0x80 [ocfs2_dlmfs][ 989.763185] RSP: e02b:ffff88017f7cbcb8 EFLAGS: 00010246[ 989.763353] RAX: 0000000000000000 RBX: ffff880174d48008 RCX:0000000000000003[ 989.763565] RDX: 0000000000120012 RSI: 0000000000000003 RDI:ffff880174d48170[ 989.763778] RBP: ffff88017f7cbcc8 R08: ffff88021f4293b0 R09:0000000000000000[ 989.763991] R10: ffff880179c8c000 R11: 0000000000000003 R12:ffff880174d48008[ 989.764204] R13: 0000000000000003 R14: ffff880179c8c000 R15:ffff88021db7a000[ 989.764422] FS: 0000000000000000(0000) GS:ffff880247480000(0000)knlGS:ffff880247480000[ 989.764685] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033[ 989.764865] CR2: ffff8000007f6800 CR3: 0000000001ae0000 CR4:0000000000042660[ 989.765081] Stack:[ 989.765167] 00000000000---truncated--- 漏洞公开时间：2025-02-26 15:01:10 漏洞创建时间：2025-02-26 18:35:35 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2022-49337 <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/02480e2e82ae0e5588374bbbcf4fa6e4959fa174 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/1434cd71ad9f3a6beda3036972983b6c4869207c | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/2c5e26a626fe46675bceba853e12aaf13c712e10 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/337e36550788dbe03254f0593a231c1c4873b20d | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/733a35c00ef363a1c774d7ea486e0735b7c13a15 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/82bf8e7271fade40184177cb406203addc34c4a0 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/863e0d81b6683c4cbc588ad831f560c90e494bef | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9c96238fac045b289993d7bc5aae7b2d72b25c76 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/efb54ec548829e1d3605f0434526f86e345b1b28 | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-49337 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-49337.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/1434cd71ad9f3a6beda3036972983b6c4869207c | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/02480e2e82ae0e5588374bbbcf4fa6e4959fa174 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/733a35c00ef363a1c774d7ea486e0735b7c13a15 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/82bf8e7271fade40184177cb406203addc34c4a0 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/337e36550788dbe03254f0593a231c1c4873b20d | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/9c96238fac045b289993d7bc5aae7b2d72b25c76 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/efb54ec548829e1d3605f0434526f86e345b1b28 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/2c5e26a626fe46675bceba853e12aaf13c712e10 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/863e0d81b6683c4cbc588ad831f560c90e494bef | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2348352 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | </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： Reserved. 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-20.03-LTS-SP4(4.19.90):受影响 2.openEuler-22.03-LTS-SP3(5.10.0):不受影响 3.openEuler-22.03-LTS-SP4(5.10.0):不受影响 4.master(6.6.0):不受影响 5.openEuler-24.03-LTS(6.6.0):不受影响 6.openEuler-24.03-LTS-Next(6.6.0):不受影响 7.openEuler-24.03-LTS-SP1(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-SP3(5.10.0):否 3.master(6.6.0):否 4.openEuler-24.03-LTS(6.6.0):否 5.openEuler-24.03-LTS-Next(6.6.0):否 6.openEuler-22.03-LTS-SP4(5.10.0):否 7.openEuler-24.03-LTS-SP1(6.6.0):否 原因说明： 1.openEuler-20.03-LTS-SP4(4.19.90):正常修复 2.master(6.6.0):不受影响-漏洞代码不能被攻击者触发 3.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发 4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在 5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在 6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在 7.openEuler-24.03-LTS-SP1(6.6.0):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-2025-1370
一、漏洞信息 漏洞编号：[CVE-2022-49337](https://nvd.nist.gov/vuln/detail/CVE-2022-49337) 漏洞归属组件：[kernel](https://gitee.com/src-openeuler/kernel) 漏洞归属的版本：4.19.140,4.19.194,4.19.90,5.10.0,6.1.19,6.1.8,6.4.0,6.6.0 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:ocfs2: dlmfs: fix error handling of user_dlm_destroy_lockWhen user_dlm_destroy_lock failed, it didn t clean up the flags it setbefore exit. For USER_LOCK_IN_TEARDOWN, if this function fails because oflock is still in used, next time when unlink invokes this function, itwill return succeed, and then unlink will remove inode and dentry if lockis not in used(file closed), but the dlm lock is still linked in dlm lockresource, then when bast come in, it will trigger a panic due touser-after-free. See the following panic call trace. To fix this,USER_LOCK_IN_TEARDOWN should be reverted if fail. And also error shouldbe returned if USER_LOCK_IN_TEARDOWN is set to let user know that unlinkfail.For the case of ocfs2_dlm_unlock failure, besides USER_LOCK_IN_TEARDOWN,USER_LOCK_BUSY is also required to be cleared. Even though spin lock isreleased in between, but USER_LOCK_IN_TEARDOWN is still set, forUSER_LOCK_BUSY, if before every place that waits on this flag,USER_LOCK_IN_TEARDOWN is checked to bail out, that will make sure no flowwaits on the busy flag set by user_dlm_destroy_lock(), then we cansimplely revert USER_LOCK_BUSY when ocfs2_dlm_unlock fails. Fixuser_dlm_cluster_lock() which is the only function not following this.[ 941.336392] (python,26174,16):dlmfs_unlink:562 ERROR: unlink004fb0000060000b5a90b8c847b72e1, error -16 from destroy[ 989.757536] ------------[ cut here ]------------[ 989.757709] kernel BUG at fs/ocfs2/dlmfs/userdlm.c:173![ 989.757876] invalid opcode: 0000 [#1] SMP[ 989.758027] Modules linked in: ksplice_2zhuk2jr_ib_ipoib_new(O)ksplice_2zhuk2jr(O) mptctl mptbase xen_netback xen_blkback xen_gntallocxen_gntdev xen_evtchn cdc_ether usbnet mii ocfs2 jbd2 rpcsec_gss_krb5auth_rpcgss nfsv4 nfsv3 nfs_acl nfs fscache lockd grace ocfs2_dlmfsocfs2_stack_o2cb ocfs2_dlm ocfs2_nodemanager ocfs2_stackglue configfs bnx2fcfcoe libfcoe libfc scsi_transport_fc sunrpc ipmi_devintf bridge stp llcrds_rdma rds bonding ib_sdp ib_ipoib rdma_ucm ib_ucm ib_uverbs ib_umadrdma_cm ib_cm iw_cm falcon_lsm_serviceable(PE) falcon_nf_netcontain(PE)mlx4_vnic falcon_kal(E) falcon_lsm_pinned_13402(E) mlx4_ib ib_sa ib_madib_core ib_addr xenfs xen_privcmd dm_multipath iTCO_wdt iTCO_vendor_supportpcspkr sb_edac edac_core i2c_i801 lpc_ich mfd_core ipmi_ssif i2c_core ipmi_siipmi_msghandler[ 989.760686] ioatdma sg ext3 jbd mbcache sd_mod ahci libahci ixgbe dca ptppps_core vxlan udp_tunnel ip6_udp_tunnel megaraid_sas mlx4_core crc32c_intelbe2iscsi bnx2i cnic uio cxgb4i cxgb4 cxgb3i libcxgbi ipv6 cxgb3 mdiolibiscsi_tcp qla4xxx iscsi_boot_sysfs libiscsi scsi_transport_iscsi wmidm_mirror dm_region_hash dm_log dm_mod [last unloaded:ksplice_2zhuk2jr_ib_ipoib_old][ 989.761987] CPU: 10 PID: 19102 Comm: dlm_thread Tainted: P OE4.1.12-124.57.1.el6uek.x86_64 #2[ 989.762290] Hardware name: Oracle Corporation ORACLE SERVERX5-2/ASM,MOTHERBOARD,1U, BIOS 30350100 06/17/2021[ 989.762599] task: ffff880178af6200 ti: ffff88017f7c8000 task.ti:ffff88017f7c8000[ 989.762848] RIP: e030:[<ffffffffc07d4316>] [<ffffffffc07d4316>]__user_dlm_queue_lockres.part.4+0x76/0x80 [ocfs2_dlmfs][ 989.763185] RSP: e02b:ffff88017f7cbcb8 EFLAGS: 00010246[ 989.763353] RAX: 0000000000000000 RBX: ffff880174d48008 RCX:0000000000000003[ 989.763565] RDX: 0000000000120012 RSI: 0000000000000003 RDI:ffff880174d48170[ 989.763778] RBP: ffff88017f7cbcc8 R08: ffff88021f4293b0 R09:0000000000000000[ 989.763991] R10: ffff880179c8c000 R11: 0000000000000003 R12:ffff880174d48008[ 989.764204] R13: 0000000000000003 R14: ffff880179c8c000 R15:ffff88021db7a000[ 989.764422] FS: 0000000000000000(0000) GS:ffff880247480000(0000)knlGS:ffff880247480000[ 989.764685] CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033[ 989.764865] CR2: ffff8000007f6800 CR3: 0000000001ae0000 CR4:0000000000042660[ 989.765081] Stack:[ 989.765167] 00000000000---truncated--- 漏洞公开时间：2025-02-26 15:01:10 漏洞创建时间：2025-02-26 18:35:35 漏洞详情参考链接： https://nvd.nist.gov/vuln/detail/CVE-2022-49337 <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/02480e2e82ae0e5588374bbbcf4fa6e4959fa174 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/1434cd71ad9f3a6beda3036972983b6c4869207c | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/2c5e26a626fe46675bceba853e12aaf13c712e10 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/337e36550788dbe03254f0593a231c1c4873b20d | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/733a35c00ef363a1c774d7ea486e0735b7c13a15 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/82bf8e7271fade40184177cb406203addc34c4a0 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/863e0d81b6683c4cbc588ad831f560c90e494bef | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/9c96238fac045b289993d7bc5aae7b2d72b25c76 | | | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | https://git.kernel.org/stable/c/efb54ec548829e1d3605f0434526f86e345b1b28 | | | suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-49337 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2022/CVE-2022-49337.mbox | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/1434cd71ad9f3a6beda3036972983b6c4869207c | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/02480e2e82ae0e5588374bbbcf4fa6e4959fa174 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/733a35c00ef363a1c774d7ea486e0735b7c13a15 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/82bf8e7271fade40184177cb406203addc34c4a0 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/337e36550788dbe03254f0593a231c1c4873b20d | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/9c96238fac045b289993d7bc5aae7b2d72b25c76 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/efb54ec548829e1d3605f0434526f86e345b1b28 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/2c5e26a626fe46675bceba853e12aaf13c712e10 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://git.kernel.org/stable/c/863e0d81b6683c4cbc588ad831f560c90e494bef | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | | suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2348352 | https://bugzilla.suse.com/show_bug.cgi?id=1238376 | </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： Reserved. 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-20.03-LTS-SP4(4.19.90):受影响 2.openEuler-22.03-LTS-SP3(5.10.0):不受影响 3.openEuler-22.03-LTS-SP4(5.10.0):不受影响 4.master(6.6.0):不受影响 5.openEuler-24.03-LTS(6.6.0):不受影响 6.openEuler-24.03-LTS-Next(6.6.0):不受影响 7.openEuler-24.03-LTS-SP1(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-SP3(5.10.0):否 3.master(6.6.0):否 4.openEuler-24.03-LTS(6.6.0):否 5.openEuler-24.03-LTS-Next(6.6.0):否 6.openEuler-22.03-LTS-SP4(5.10.0):否 7.openEuler-24.03-LTS-SP1(6.6.0):否 原因说明： 1.openEuler-20.03-LTS-SP4(4.19.90):正常修复 2.master(6.6.0):不受影响-漏洞代码不能被攻击者触发 3.openEuler-24.03-LTS-Next(6.6.0):不受影响-漏洞代码不能被攻击者触发 4.openEuler-22.03-LTS-SP3(5.10.0):不受影响-漏洞代码不存在 5.openEuler-22.03-LTS-SP4(5.10.0):不受影响-漏洞代码不存在 6.openEuler-24.03-LTS(6.6.0):不受影响-漏洞代码不存在 7.openEuler-24.03-LTS-SP1(6.6.0):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-2025-1370
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