CVE-2023-53629— Linux kernel 安全漏洞
一分钟漏洞结论
影响对象
Linux Linux
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于dlm_midcomms_commit_mhandle函数存在释放后重用问题，可能导致内存损坏。
可能的 ATT&CK 技术 1 AI
T1207 · Rogue Domain Controller影响版本矩阵 10
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | 489d8e559c6596eb08e16447d9830bc39afbe54e< 84d6ce2aef1d06a53f606211da68a2085dfeb50d |
affected |
489d8e559c6596eb08e16447d9830bc39afbe54e< a3b0e9ac3c2447008db942d51f593841d8329e99 |
affected | ||
489d8e559c6596eb08e16447d9830bc39afbe54e< a2de9f9b686c71b4fa3663ae374f5f643c46a446 |
affected | ||
489d8e559c6596eb08e16447d9830bc39afbe54e< 724b6bab0d75f1dc01fdfbf7fe8d4217a5cb90ba |
affected | ||
5.14 |
affected | ||
< 5.14 |
unaffected | ||
5.15.209≤ 5.15.* |
unaffected | ||
6.1.20≤ 6.1.* |
unaffected | ||
| … +2 条更多 | |||
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一、 漏洞 CVE-2023-53629 基础信息
漏洞信息
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Vulnerability Title
fs: dlm: fix use after free in midcomms commit
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
fs: dlm: fix use after free in midcomms commit
While working on processing dlm message in softirq context I experienced
the following KASAN use-after-free warning:
[ 151.760477] ==================================================================
[ 151.761803] BUG: KASAN: use-after-free in dlm_midcomms_commit_mhandle+0x19d/0x4b0
[ 151.763414] Read of size 4 at addr ffff88811a980c60 by task lock_torture/1347
[ 151.765284] CPU: 7 PID: 1347 Comm: lock_torture Not tainted 6.1.0-rc4+ #2828
[ 151.766778] Hardware name: Red Hat KVM/RHEL-AV, BIOS 1.16.0-3.module+el8.7.0+16134+e5908aa2 04/01/2014
[ 151.768726] Call Trace:
[ 151.769277] <TASK>
[ 151.769748] dump_stack_lvl+0x5b/0x86
[ 151.770556] print_report+0x180/0x4c8
[ 151.771378] ? kasan_complete_mode_report_info+0x7c/0x1e0
[ 151.772241] ? dlm_midcomms_commit_mhandle+0x19d/0x4b0
[ 151.773069] kasan_report+0x93/0x1a0
[ 151.773668] ? dlm_midcomms_commit_mhandle+0x19d/0x4b0
[ 151.774514] __asan_load4+0x7e/0xa0
[ 151.775089] dlm_midcomms_commit_mhandle+0x19d/0x4b0
[ 151.775890] ? create_message.isra.29.constprop.64+0x57/0xc0
[ 151.776770] send_common+0x19f/0x1b0
[ 151.777342] ? remove_from_waiters+0x60/0x60
[ 151.778017] ? lock_downgrade+0x410/0x410
[ 151.778648] ? __this_cpu_preempt_check+0x13/0x20
[ 151.779421] ? rcu_lockdep_current_cpu_online+0x88/0xc0
[ 151.780292] _convert_lock+0x46/0x150
[ 151.780893] convert_lock+0x7b/0xc0
[ 151.781459] dlm_lock+0x3ac/0x580
[ 151.781993] ? 0xffffffffc0540000
[ 151.782522] ? torture_stop+0x120/0x120 [dlm_locktorture]
[ 151.783379] ? dlm_scan_rsbs+0xa70/0xa70
[ 151.784003] ? preempt_count_sub+0xd6/0x130
[ 151.784661] ? is_module_address+0x47/0x70
[ 151.785309] ? torture_stop+0x120/0x120 [dlm_locktorture]
[ 151.786166] ? 0xffffffffc0540000
[ 151.786693] ? lockdep_init_map_type+0xc3/0x360
[ 151.787414] ? 0xffffffffc0540000
[ 151.787947] torture_dlm_lock_sync.isra.3+0xe9/0x150 [dlm_locktorture]
[ 151.789004] ? torture_stop+0x120/0x120 [dlm_locktorture]
[ 151.789858] ? 0xffffffffc0540000
[ 151.790392] ? lock_torture_cleanup+0x20/0x20 [dlm_locktorture]
[ 151.791347] ? delay_tsc+0x94/0xc0
[ 151.791898] torture_ex_iter+0xc3/0xea [dlm_locktorture]
[ 151.792735] ? torture_start+0x30/0x30 [dlm_locktorture]
[ 151.793606] lock_torture+0x177/0x270 [dlm_locktorture]
[ 151.794448] ? torture_dlm_lock_sync.isra.3+0x150/0x150 [dlm_locktorture]
[ 151.795539] ? lock_torture_stats+0x80/0x80 [dlm_locktorture]
[ 151.796476] ? do_raw_spin_lock+0x11e/0x1e0
[ 151.797152] ? mark_held_locks+0x34/0xb0
[ 151.797784] ? _raw_spin_unlock_irqrestore+0x30/0x70
[ 151.798581] ? __kthread_parkme+0x79/0x110
[ 151.799246] ? trace_preempt_on+0x2a/0xf0
[ 151.799902] ? __kthread_parkme+0x79/0x110
[ 151.800579] ? preempt_count_sub+0xd6/0x130
[ 151.801271] ? __kasan_check_read+0x11/0x20
[ 151.801963] ? __kthread_parkme+0xec/0x110
[ 151.802630] ? lock_torture_stats+0x80/0x80 [dlm_locktorture]
[ 151.803569] kthread+0x192/0x1d0
[ 151.804104] ? kthread_complete_and_exit+0x30/0x30
[ 151.804881] ret_from_fork+0x1f/0x30
[ 151.805480] </TASK>
[ 151.806111] Allocated by task 1347:
[ 151.806681] kasan_save_stack+0x26/0x50
[ 151.807308] kasan_set_track+0x25/0x30
[ 151.807920] kasan_save_alloc_info+0x1e/0x30
[ 151.808609] __kasan_slab_alloc+0x63/0x80
[ 151.809263] kmem_cache_alloc+0x1ad/0x830
[ 151.809916] dlm_allocate_mhandle+0x17/0x20
[ 151.810590] dlm_midcomms_get_mhandle+0x96/0x260
[ 151.811344] _create_message+0x95/0x180
[ 151.811994] create_message.isra.29.constprop.64+0x57/0xc0
[ 151.812880] send_common+0x129/0x1b0
[ 151.813467] _convert_lock+0x46/0x150
[ 151.814074] convert_lock+0x7b/0xc0
[ 151.814648] dlm_lock+0x3ac/0x580
[ 151.815199] torture_dlm_lock_sync.isra.3+0xe9/0x150 [dlm_locktorture]
[ 151.816258] torture_ex_iter+0xc3/0xea [dlm_locktorture]
[ 151.817129] lock_t
---truncated---
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
N/A
来源: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于dlm_midcomms_commit_mhandle函数存在释放后重用问题，可能导致内存损坏。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
二、漏洞 CVE-2023-53629 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2023-53629 补丁与修复 (1)
同批安全公告 · Linux · 2025-10-07 · 共 118 条
| CVE-2023-53630 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53676 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53675 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53673 | 8.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53679 | 8.3 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53635 | 8.2 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50555 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53619 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53659 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53643 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53660 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53645 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53646 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53669 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53626 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50528 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-53627 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50517 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50518 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2022-50543 | 7.8 HIGH | Linux kernel 安全漏洞 |
显示前 20 条，共 118 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2023-53629
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