CVE-2023-52769

wifi: ath12k: fix htt mlo-offset event locking

HIGH
7.8
CVSS Score
Published: May 21, 2024 at 03:30 PM UTC
Updated: August 5, 2026 at 10:24 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: ath12k: fix htt mlo-offset event locking The ath12k active pdevs are protected by RCU but the htt mlo-offset event handling code calling ath12k_mac_get_ar_by_pdev_id() was not marked as a read-side critical section. Mark the code in question as an RCU read-side critical section to avoid any potential use-after-free issues. Compile tested only.

Affected

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

6.3 ≤ v < 6.5.136.3 ≤ v < 6.6.36.3 ≤ v < 6.76.6 ≤ v < 6.6.36.3d889913205cf7ebda905b1e62c5867ed4e39f6c2
Vendor states this is fixed in 6afc57ea315e0f660b1f870a681737bb7b71faef (fixed)
Vendor states this is fixed in afd3425bd69610f318403084fe491e24a1357fb9 (fixed)
Vendor states this is fixed in d908ca431e20b0e4bfc5d911d1744910ed779bdb (fixed)
Vendor states this is fixed in 6.3 (unaffected)
Vendor states this is fixed in 6.5.13 (unaffected)
Vendor states this is fixed in 6.6.3 (unaffected)
Vendor states this is fixed in 6.7 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6afc57ea315e0f660b1f870a681737bb7b71faef
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/afd3425bd69610f318403084fe491e24a1357fb9
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d908ca431e20b0e4bfc5d911d1744910ed779bdb

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

StatusMODIFIED
CWE
CWE-416

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