CVE-2023-52798

wifi: ath11k: fix dfs radar event locking

HIGH
8.8
CVSS Score
Published: May 21, 2024 at 03:31 PM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix dfs radar event locking The ath11k active pdevs are protected by RCU but the DFS radar event handling code calling ath11k_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.

5.11 ≤ v < 5.15.1405.16 ≤ v < 6.1.645.6 ≤ v < 5.10.2025.6 ≤ v < 5.15.1405.6 ≤ v < 6.1.645.6 ≤ v < 6.5.135.6 ≤ v < 6.6.35.6 ≤ v < 6.76.2 ≤ v < 6.5.136.6 ≤ v < 6.6.35.6d5c65159f2895379e11ca13f62feabe93278985d
Vendor states this is fixed in 1fd878e1750190a612b5de2af357cca422ec0822 (fixed)
Vendor states this is fixed in 21ebb0aba580d347e12f01ce5f6e75044427b3d5 (fixed)
Vendor states this is fixed in 3b6c14833165f689cc5928574ebafe52bbce5f1e (fixed)
Vendor states this is fixed in 426e718ce9ba60013364a54233feee309356cb82 (fixed)
Vendor states this is fixed in ca420ac4f9451f22347bae44b18ab47ba2c267ec (fixed)
Vendor states this is fixed in f882f51905517575c9f793a3dff567af90ef9a10 (fixed)
Vendor states this is fixed in 5.10.202 (unaffected)
Vendor states this is fixed in 5.15.140 (unaffected)
Vendor states this is fixed in 5.6 (unaffected)
Vendor states this is fixed in 6.1.64 (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 (6)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1fd878e1750190a612b5de2af357cca422ec0822
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/21ebb0aba580d347e12f01ce5f6e75044427b3d5
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3b6c14833165f689cc5928574ebafe52bbce5f1e
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/426e718ce9ba60013364a54233feee309356cb82
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/ca420ac4f9451f22347bae44b18ab47ba2c267ec
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/f882f51905517575c9f793a3dff567af90ef9a10

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

8.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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