PT-2024-21538 · Linux+6 · Linux Kernel+6
Syzbot
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Published
2024-03-14
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Updated
2025-09-29
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CVE-2024-26861
CVSS v3.1
4.7
Medium
| Vector | AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
A data-race issue was identified in the Linux kernel when accessing
keypair->receiving counter.counter. The issue was detected by Syzkaller with KCSAN and is related to the wg packet decrypt worker and wg packet rx poll functions. The data race occurs when accessing the receiving counter.counter variable, which can be modified by multiple threads simultaneously. To address this issue, READ ONCE() and WRITE ONCE() annotations are used to mark the data race as intentional.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Race Condition
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Red Hat
Red Os
Suse
Ubuntu