CVE-2022-49768

9p: trans_fd/p9_conn_cancel: drop client lock earlier

MEDIUM

5.5

CVSS Score

Published: May 1, 2025 at 02:09 PM UTC

Updated: August 5, 2026 at 09:24 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.4%

Description

In the Linux kernel, the following vulnerability has been resolved: 9p: trans_fd/p9_conn_cancel: drop client lock earlier syzbot reported a double-lock here and we no longer need this lock after requests have been moved off to local list: just drop the lock earlier.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

v ≥ 4.18.84.14.70 ≤ v < 4.14.3004.18.8 ≤ v < 4.194.18.8 ≤ v < 4.19.2674.19 ≤ v < 4.19.2674.19 ≤ v < 5.10.1564.19 ≤ v < 5.15.804.19 ≤ v < 5.4.2254.19 ≤ v < 6.0.104.19 ≤ v < 6.14.20 ≤ v < 5.4.2254.9.127 ≤ v < 4.9.3345.11 ≤ v < 5.15.805.16 ≤ v < 6.0.105.5 ≤ v < 5.10.1564.14.70 4.18.8 4.19 4.9.1274cd195263e420311d31451cc053fde8037f326f191ca7c5644c370dc5132b1db1aea81416a4b21819f476d7c540cb57556d3cc7e78704e6cd5100f5feb1ca07f4343b4e58b97e792a85d5ba1ba103f5d

Vendor states this is fixed in 52f1c45dde9136f964d63a77d19826c8a74e2c7f (fixed)

Vendor states this is fixed in 612c977f5d481f551d03d83d0aef588845c1300c (fixed)

Vendor states this is fixed in 82825dbf393f7c7979d462f9609a15bde8092b3f (fixed)

Vendor states this is fixed in 96760723aae1b45f733f702abb4333137143909f (fixed)

Vendor states this is fixed in a4f1a01b2e81378fce9ca528d4d8a049e4b58fcd (fixed)

Vendor states this is fixed in e3031280fe4eaf61a09e60823331f81f321be8e1 (fixed)

Vendor states this is fixed in f14858bc77c567e089965962877ee726ffad0556 (fixed)

Vendor states this is fixed in fec1406f5e7ab20b71f6d231792b0040e3300aaf (fixed)

Vendor states this is fixed in 4.14.300 (unaffected)

Vendor states this is fixed in 4.19 (unaffected)

Vendor states this is fixed in 4.19.267 (unaffected)

Vendor states this is fixed in 4.9.334 (unaffected)