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CVE-2022-49374

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: tipc: check attribute length for bearer name syzbot reported uninit-value: ====================================================…

Published Feb 26, 2025CWE-908EPSS 0.28%

Overview

CVE-2022-49374 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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 lengt

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/292be63c382ce20673ee61dff1ee9ed4a3dcaae7Refgit.kernel.org/stable/c/3af15272cde28fe5c8489174b8624e232c1775ecRefgit.kernel.org/stable/c/7f36f798f89bf32c0164049cb0e3fd1af613d0bbRefgit.kernel.org/stable/c/8b91d0dfc839e67708c905648cd0e7507a2263e5Refgit.kernel.org/stable/c/92a930fcf4250fe961f6238b99af0bc405799f39Refgit.kernel.org/stable/c/b8fac8e321044a9ac50f7185b4e9d91a7745e4b0Refgit.kernel.org/stable/c/f07670871f4d19e613740eebe210e7e9ea535973

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49374?

CVE-2022-49374 is a medium-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2022-49374?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-49374?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-49374?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49374 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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