CVE-2024-26626— 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，该漏洞源于转发mcast数据包时的内核会出现死机问题。
影响版本矩阵 7
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| Linux | Linux | f69365e3a7cab819099249c50b39f4450fdddc60< d2f1b7fe74afd66298dbb3c7b39e7b62e4df1724 |
affected |
7b32e63f881432bf30f282328b8e64c6aa494ba2< dcaafdba6c6162bb49f1192850bc3bbc3707738c |
affected | ||
7d97858e21fbc472acda7d908357c5fe54a8e439< 2e8c9ae40adda2be1ba41c05fd3cd1e61cce3207 |
affected | ||
bb7403655b3c3eb245d0ee330047cd3e20b3c4af< e622502c310f1069fd9f41cd38210553115f610a |
affected | ||
6.1.75< 6.1.77 |
affected | ||
6.6.14< 6.6.16 |
affected | ||
6.7.2< 6.7.4 |
affected |
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一、 漏洞 CVE-2024-26626 基础信息
漏洞信息
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Vulnerability Title
ipmr: fix kernel panic when forwarding mcast packets
来源: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
ipmr: fix kernel panic when forwarding mcast packets
The stacktrace was:
[ 86.305548] BUG: kernel NULL pointer dereference, address: 0000000000000092
[ 86.306815] #PF: supervisor read access in kernel mode
[ 86.307717] #PF: error_code(0x0000) - not-present page
[ 86.308624] PGD 0 P4D 0
[ 86.309091] Oops: 0000 [#1] PREEMPT SMP NOPTI
[ 86.309883] CPU: 2 PID: 3139 Comm: pimd Tainted: G U 6.8.0-6wind-knet #1
[ 86.311027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.11.1-0-g0551a4be2c-prebuilt.qemu-project.org 04/01/2014
[ 86.312728] RIP: 0010:ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985)
[ 86.313399] Code: f9 1f 0f 87 85 03 00 00 48 8d 04 5b 48 8d 04 83 49 8d 44 c5 00 48 8b 40 70 48 39 c2 0f 84 d9 00 00 00 49 8b 46 58 48 83 e0 fe <80> b8 92 00 00 00 00 0f 84 55 ff ff ff 49 83 47 38 01 45 85 e4 0f
[ 86.316565] RSP: 0018:ffffad21c0583ae0 EFLAGS: 00010246
[ 86.317497] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 86.318596] RDX: ffff9559cb46c000 RSI: 0000000000000000 RDI: 0000000000000000
[ 86.319627] RBP: ffffad21c0583b30 R08: 0000000000000000 R09: 0000000000000000
[ 86.320650] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 86.321672] R13: ffff9559c093a000 R14: ffff9559cc00b800 R15: ffff9559c09c1d80
[ 86.322873] FS: 00007f85db661980(0000) GS:ffff955a79d00000(0000) knlGS:0000000000000000
[ 86.324291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 86.325314] CR2: 0000000000000092 CR3: 000000002f13a000 CR4: 0000000000350ef0
[ 86.326589] Call Trace:
[ 86.327036] <TASK>
[ 86.327434] ? show_regs (/build/work/knet/arch/x86/kernel/dumpstack.c:479)
[ 86.328049] ? __die (/build/work/knet/arch/x86/kernel/dumpstack.c:421 /build/work/knet/arch/x86/kernel/dumpstack.c:434)
[ 86.328508] ? page_fault_oops (/build/work/knet/arch/x86/mm/fault.c:707)
[ 86.329107] ? do_user_addr_fault (/build/work/knet/arch/x86/mm/fault.c:1264)
[ 86.329756] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.330350] ? __irq_work_queue_local (/build/work/knet/kernel/irq_work.c:111 (discriminator 1))
[ 86.331013] ? exc_page_fault (/build/work/knet/./arch/x86/include/asm/paravirt.h:693 /build/work/knet/arch/x86/mm/fault.c:1515 /build/work/knet/arch/x86/mm/fault.c:1563)
[ 86.331702] ? asm_exc_page_fault (/build/work/knet/./arch/x86/include/asm/idtentry.h:570)
[ 86.332468] ? ip_mr_forward (/build/work/knet/net/ipv4/ipmr.c:1985)
[ 86.333183] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.333920] ipmr_mfc_add (/build/work/knet/./include/linux/rcupdate.h:782 /build/work/knet/net/ipv4/ipmr.c:1009 /build/work/knet/net/ipv4/ipmr.c:1273)
[ 86.334583] ? __pfx_ipmr_hash_cmp (/build/work/knet/net/ipv4/ipmr.c:363)
[ 86.335357] ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470)
[ 86.336135] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.336854] ? ip_mroute_setsockopt (/build/work/knet/net/ipv4/ipmr.c:1470)
[ 86.337679] do_ip_setsockopt (/build/work/knet/net/ipv4/ip_sockglue.c:944)
[ 86.338408] ? __pfx_unix_stream_read_actor (/build/work/knet/net/unix/af_unix.c:2862)
[ 86.339232] ? srso_return_thunk (/build/work/knet/arch/x86/lib/retpoline.S:223)
[ 86.339809] ? aa_sk_perm (/build/work/knet/security/apparmor/include/cred.h:153 /build/work/knet/security/apparmor/net.c:181)
[ 86.340342] ip_setsockopt (/build/work/knet/net/ipv4/ip_sockglue.c:1415)
[ 86.340859] raw_setsockopt (/build/work/knet/net/ipv4/raw.c:836)
[ 86.341408] ? security_socket_setsockopt (/build/work/knet/security/security.c:4561 (discriminator 13))
[ 86.342116] sock_common_setsockopt (/build/work/knet/net/core/sock.c:3716)
[ 86.342747] do_sock_setsockopt (/build/work/knet/net/socket.c:2313)
[ 86.343363] __sys_setsockopt (/build/work/knet/./include/linux/file.h:32 /build/work/kn
---truncated---
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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，该漏洞源于转发mcast数据包时的内核会出现死机问题。
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-2024-26626 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2024-26626 其他参考 (4)
同批安全公告 · Linux · 2024-03-06 · 共 27 条
| CVE-2024-26625 | 7.8 HIGH | Linux kernel安全漏洞 |
| CVE-2023-52586 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2024-26623 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52590 | 7.8 HIGH | Linux kernel安全漏洞 |
| CVE-2023-52591 | 7.8 HIGH | Linux kernel安全漏洞 |
| CVE-2023-52606 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52604 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52603 | 7.8 HIGH | Linux kernel安全漏洞 |
| CVE-2023-52602 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52601 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52600 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52599 | 7.8 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52588 | 7.3 HIGH | Linux kernel 安全漏洞 |
| CVE-2023-52597 | Linux kernel 安全漏洞 | |
| CVE-2024-26627 | Linux kernel 安全漏洞 | |
| CVE-2023-52607 | Linux kernel 安全漏洞 | |
| CVE-2023-52598 | Linux kernel 安全漏洞 | |
| CVE-2023-52583 | Linux kernel 安全漏洞 | |
| CVE-2023-52596 | Linux kernel 安全漏洞 | |
| CVE-2023-52595 | Linux kernel 安全漏洞 |
显示前 20 条，共 27 条。 查看全部 → →
IV. Related Vulnerabilities
V. Comments for CVE-2024-26626
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