CVEvulnerability
CVE-2022-49374
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2025-02-26
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-908
Description
In the Linux kernel, the following vulnerability has been resolved:
tipc: check attribute length for bearer name
syzbot reported uninit-value:
=====================================================
BUG: KMSAN: uninit-value in string_nocheck lib/vsprintf.c:644 [inline]
BUG: KMSAN: uninit-value in string+0x4f9/0x6f0 lib/vsprintf.c:725
string_nocheck lib/vsprintf.c:644 [inline]
string+0x4f9/0x6f0 lib/vsprintf.c:725
vsnprintf+0x2222/0x3650 lib/vsprintf.c:2806
vprintk_store+0x537/0x2150 kernel/printk/printk.c:2158
vprintk_emit+0x28b/0xab0 kernel/printk/printk.c:2256
vprintk_default+0x86/0xa0 kernel/printk/printk.c:2283
vprintk+0x15f/0x180 kernel/printk/printk_safe.c:50
_printk+0x18d/0x1cf kernel/printk/printk.c:2293
tipc_enable_bearer net/tipc/bearer.c:371 [inline]
__tipc_nl_bearer_enable+0x2022/0x22a0 net/tipc/bearer.c:1033
tipc_nl_bearer_enable+0x6c/0xb0 net/tipc/bearer.c:1042
genl_family_rcv_msg_doit net/netlink/genetlink.c:731 [inline]
- Do sanity check the attribute length for TIPC_NLA_BEARER_NAME.
- Do not use 'illegal name' in printing message.
Affected configurations
• linux linux kernel (>= 4.17 < 4.19.247)
• linux linux kernel (>= 4.20 < 5.4.198)
• linux linux kernel (>= 5.5 < 5.10.122)
• linux linux kernel (>= 5.11 < 5.15.47)
• linux linux kernel (>= 5.16 < 5.17.15)
• linux linux kernel (>= 5.18 < 5.18.4)
Related
Weakness · CWE (1)
- CWE-908 Use of Uninitialized Resource weakness
References
- https://git.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7 Patch
- https://git.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ec Patch
- https://git.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bb Patch
- https://git.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5 Patch
- https://git.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39 Patch
- https://git.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0 Patch
- https://git.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973 Patch