wifi: ath11k: fix dfs radar event locking

Summary

CVECVE-2023-52798
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-05-21 16:15:18 UTC
Updated2026-08-04 10:18:41 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 8.8 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-416 | CWE-416 CWE-416 Use After Free


VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary8.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.8HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d f882f51905517575c9f793a3dff567af90ef9a10 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 426e718ce9ba60013364a54233feee309356cb82 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d ca420ac4f9451f22347bae44b18ab47ba2c267ec git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 1fd878e1750190a612b5de2af357cca422ec0822 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 21ebb0aba580d347e12f01ce5f6e75044427b3d5 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 3b6c14833165f689cc5928574ebafe52bbce5f1e git Not specified
CNA Linux Linux affected 5.6 Not specified
CNA Linux Linux unaffected 5.6 semver Not specified
CNA Linux Linux unaffected 5.10.202 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.140 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.64 6.1.* semver Not specified
CNA Linux Linux unaffected 6.5.13 6.5.* semver Not specified
CNA Linux Linux unaffected 6.6.3 6.6.* semver Not specified
CNA Linux Linux unaffected 6.7 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/21ebb0aba580d347e12f01ce5f6e75044427b3d5 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/f882f51905517575c9f793a3dff567af90ef9a10 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/ca420ac4f9451f22347bae44b18ab47ba2c267ec af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/1fd878e1750190a612b5de2af357cca422ec0822 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/426e718ce9ba60013364a54233feee309356cb82 af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
git.kernel.org/stable/c/3b6c14833165f689cc5928574ebafe52bbce5f1e af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch
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