CVE-2025-23155

net: stmmac: Fix accessing freed irq affinity_hint

MEDIUM

5.5

CVSS Score

Published: May 1, 2025 at 12:55 PM UTC

Updated: August 5, 2026 at 12:44 PM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

MEDIUM5.5

Exploit prediction

EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix accessing freed irq affinity_hint The cpumask should not be a local variable, since its pointer is saved to irq_desc and may be accessed from procfs. To fix it, use the persistent mask cpumask_of(cpu#).

Affected

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

Linux Kernel · Linux

95%

5.13 ≤ v < 6.1.1645.13 ≤ v < 6.12.365.13 ≤ v < 6.13.125.13 ≤ v < 6.14.35.13 ≤ v < 6.155.13 ≤ v < 6.6.1176.13 ≤ v < 6.13.126.14 ≤ v < 6.14.35.138deec94c6040bb4a767f6e9456a0a44c7f2e713e

Vendor states this is fixed in 2fbf67ddb8a0d0efc00d2df496a9843ec318d48b (fixed)

Vendor states this is fixed in 442312c2a90d60c7a5197246583fa91d9e579985 (fixed)

Vendor states this is fixed in 960dab23f6d405740c537d095f90a4ee9ddd9285 (fixed)

Vendor states this is fixed in 9e51a6a44e2c4de780a26e8fe110d708e806a8cd (fixed)

Vendor states this is fixed in c60d101a226f18e9a8f01bb4c6ca2b47dfcb15ef (fixed)

Vendor states this is fixed in e148266e104fce396ad624079a6812ac3a9982ef (fixed)

Vendor states this is fixed in 5.13 (unaffected)

Vendor states this is fixed in 6.1.164 (unaffected)

Vendor states this is fixed in 6.12.36 (unaffected)

Vendor states this is fixed in 6.13.12 (unaffected)

Vendor states this is fixed in 6.14.3 (unaffected)

Vendor states this is fixed in 6.15 (unaffected)