CVE-2026-72462

apparmor: fix race in unix socket mediation when peer_path is used

HIGH
8.8
CVSS Score
Published: August 15, 2026 at 05:57 AM UTC
Updated: August 17, 2026 at 06:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix race in unix socket mediation when peer_path is used The holding a reference to the peer_sk is not enough to ensure access to the peer sk path. Accessing the path outside of the state lock allows for a race with unix_release_sock(). Fix this by taking the state lock and getting a reference to the path under lock. Ideally for connected sockets we would cache this information so we don't have to take the lock here. But for now just fix the race.

Affected

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

6.17 ≤ v < 6.18.406.17 ≤ v < 7.1.56.17 ≤ v < 7.26.17bc6e5f6933b8e7b74858ac830d5b9b4ca10a099a
Vendor states this is fixed in b1aea2c1960771a276d7e68c7424168eccd0c3da (fixed)
Vendor states this is fixed in d680472db98823d90fc91362910901e468269318 (fixed)
Vendor states this is fixed in d8ea44f6090c087fe255d9512fb808574b4d88e8 (fixed)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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