CVE-2022-49374

MediumCVSS 5.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-908

Affected software

VendorProductVersions
LinuxLinux>= cb30a63384bc91d5da06e1cede1115f666a29271, < f07670871f4d19e613740eebe210e7e9ea535973; >= cb30a63384bc91d5da06e1cede1115f666a29271, < 8b91d0dfc839e67708c905648cd0e7507a2263e5; >= cb30a63384bc91d5da06e1cede1115f666a29271, < b8fac8e321044a9ac50f7185b4e9d91a7745e4b0; >= cb30a63384bc91d5da06e1cede1115f666a29271, < 92a930fcf4250fe961f6238b99af0bc405799f39; >= cb30a63384bc91d5da06e1cede1115f666a29271, < 292be63c382ce20673ee61dff1ee9ed4a3dcaae7; >= cb30a63384bc91d5da06e1cede1115f666a29271, < 3af15272cde28fe5c8489174b8624e232c1775ec; >= cb30a63384bc91d5da06e1cede1115f666a29271, < 7f36f798f89bf32c0164049cb0e3fd1af613d0bb
LinuxLinux4.17

References

Timeline

Published
Feb 26, 2025
Last modified
Jun 17, 2026
NVD status
Modified

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