CVE-2024-27049

wifi: mt76: mt7925e: fix use-after-free in free_irq()

HIGH
7.8
CVSS Score
Published: May 1, 2024 at 12:54 PM UTC
Updated: June 17, 2026 at 07:19 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925e: fix use-after-free in free_irq() From commit a304e1b82808 ("[PATCH] Debug shared irqs"), there is a test to make sure the shared irq handler should be able to handle the unexpected event after deregistration. For this case, let's apply MT76_REMOVED flag to indicate the device was removed and do not run into the resource access anymore.

Affected

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

6.7 ≤ v < 6.7.116.7 ≤ v < 6.8.26.7 ≤ v < 6.96.8 ≤ v < 6.8.26.7c948b5da6bbec742b433138e3e3f9537a85af2e5
Vendor states this is fixed in 6d9930096e1f13cf6d9aabfbf95d0e05fb04144f (fixed)
Vendor states this is fixed in 84470b48af03a818039d587478b415cbcb264ff5 (fixed)
Vendor states this is fixed in a5a5f4413d91f395cb2d89829d376d7393ad48b9 (fixed)
Vendor states this is fixed in 6.7 (unaffected)
Vendor states this is fixed in 6.7.11 (unaffected)
Vendor states this is fixed in 6.8.2 (unaffected)
Vendor states this is fixed in 6.9 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6d9930096e1f13cf6d9aabfbf95d0e05fb04144f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/84470b48af03a818039d587478b415cbcb264ff5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/a5a5f4413d91f395cb2d89829d376d7393ad48b9

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-416

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