CVE-2022-49344

MediumCVSS 4.7/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

af_unix: Fix a data-race in unix_dgram_peer_wake_me().

unix_dgram_poll() calls unix_dgram_peer_wake_me() without `other`'s lock held and check if its receive queue is full. Here we need to use unix_recvq_full_lockless() instead of unix_recvq_full(), otherwise KCSAN will report a data-race.

Metrics

CVSS 3.1 4.7/10CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-362

Affected software

VendorProductVersions
LinuxLinux>= 7d267278a9ece963d77eefec61630223fce08c6c, < 95f0ba806277733bf6024e23e27e1be773701cca; >= 7d267278a9ece963d77eefec61630223fce08c6c, < 556720013c36c193d9cbfb06e7b33e51f0c39fbf; >= 7d267278a9ece963d77eefec61630223fce08c6c, < c61848500a3fd6867dfa4834b8c7f97133eceb9f; >= 7d267278a9ece963d77eefec61630223fce08c6c, < c926ae58f24f7bd55aa2ea4add9f952032507913; >= 7d267278a9ece963d77eefec61630223fce08c6c, < 71e8bfc7f838cabc60cba24e09ca84c4f8321ab2; >= 7d267278a9ece963d77eefec61630223fce08c6c, < 8801eb3ccd2e4e3b1a01449383e3321ae6dbd9d6; >= 7d267278a9ece963d77eefec61630223fce08c6c, < 662a80946ce13633ae90a55379f1346c10f0c432; 60bc010667ef06e0fb08d5ec599c0977adc2ac72; a3b0f6e8a21ef02f69a15abac440572d8cde8c2a; ec54d5ae9d298abf01c273233de9f2bc25d80475; da8db0830a2ce63f628150307a01a315f5081202; 9964b4c4ee925b2910723e509abd7241cff1ef84; 9d054f57adc981a5f503d5eb9b259aa450b90dc5; 72032798034d921ed565e3bf8dfdc3098f6473e2; 5c77e26862ce604edea05b3442ed765e9756fe0f; bad967fdd8ecbdd171f5f243657be033d2d081a7; 58a6a46a036ce81a2a8ecaa6fc1537c894349e3f; >= 2.6.32.70, < 2.6.33; >= 3.2.75, < 3.3; >= 3.4.111, < 3.5
LinuxLinux4.4

References

Timeline

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

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CVE-2022-49344: Medium severity, CVSS 4.7 | Vulnix