CVE-2022-50114

net: 9p: fix refcount leak in p9_read_work() error handling

MEDIUM

5.5

CVSS Score

Published: June 18, 2025 at 11:02 AM UTC

Updated: July 4, 2026 at 12:34 PM UTC

1 product affected across 1 vendorLinux Kernel

Using Linux by Linux?

Get instant alerts when new vulnerabilities affect Linux - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: net: 9p: fix refcount leak in p9_read_work() error handling p9_req_put need to be called when m->rreq->rc.sdata is NULL to avoid temporary refcount leak. [Dominique: commit wording adjustments, p9_req_put argument fixes for rebase]

Affected

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

Linux Kernel · Linux

95%

v ≥ 4.19.574.19.57 ≤ v < 4.204.19.57 ≤ v < 5.15.614.20 ≤ v < 5.10.2604.20 ≤ v < 5.15.614.20 ≤ v < 5.18.184.20 ≤ v < 5.19.24.20 ≤ v < 6.05.16 ≤ v < 5.18.185.19 ≤ v < 5.19.23665a4d9dca1bd06bc34afb72e637fe01b2776ee4.19.57 4.20728356dedeff8ef999cb436c71333ef4ac51a81c

Vendor states this is fixed in 34b9a188557c1d5a50e07cf228d054101aee0af3 (fixed)

Vendor states this is fixed in 4ac7573e1f9333073fa8d303acc941c9b7ab7f61 (fixed)

Vendor states this is fixed in 622f2a467bdfbce73fd43ea74b5f0fd2caaa8c5d (fixed)

Vendor states this is fixed in 8324649b0035cbb30ebc3ca901540cb392e89041 (fixed)

Vendor states this is fixed in 9bc63a124cc20a69a126e45e3d593d5807bb5258 (fixed)

Vendor states this is fixed in 4.20 (unaffected)

Vendor states this is fixed in 5.10.260 (unaffected)

Vendor states this is fixed in 5.15.61 (unaffected)

Vendor states this is fixed in 5.18.18 (unaffected)

Vendor states this is fixed in 5.19.2 (unaffected)

Vendor states this is fixed in 6.0 (unaffected)