staging: rtl8723bs: fix memory leak on failure path

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Summary

CVECVE-2026-43225
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-06 12:16:42 UTC
Updated2026-05-08 21:22:38 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix memory leak on failure path cfg80211_inform_bss_frame() may return NULL on failure. In that case, the allocated buffer 'buf' is not freed and the function returns early, leading to potential memory leak. Fix this by ensuring that 'buf' is freed on both success and failure paths.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: CWE-401

CVSS v3.1 Breakdown

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

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/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 554c0a3abf216c991c5ebddcdb2c08689ecd290b 9874e33ce52ba449ab0ade78752a2d37a2294617 git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b a968c6a39607c129b8ac2c3c2a5e8923574e90d0 git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 8311bb40698ba027649d5d1ca84ad4bf25270546 git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 9f70f78e22b321429afc77befecedf05543d4e2c git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b af48c1a0abe849e167fc754b6c260b6d8350b6fd git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 017295b17bf1f477246c95bd253a7ef0cb4684c9 git Not specified
CNA Linux Linux affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b abe850d82c8cb72d28700673678724e779b1826e git Not specified
CNA Linux Linux affected 4.12 Not specified
CNA Linux Linux unaffected 4.12 semver Not specified
CNA Linux Linux unaffected 5.15.202 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.165 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.128 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.75 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.16 6.18.* semver Not specified
CNA Linux Linux unaffected 6.19.6 6.19.* semver Not specified
CNA Linux Linux unaffected 7.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/017295b17bf1f477246c95bd253a7ef0cb4684c9 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8311bb40698ba027649d5d1ca84ad4bf25270546 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/af48c1a0abe849e167fc754b6c260b6d8350b6fd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a968c6a39607c129b8ac2c3c2a5e8923574e90d0 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9f70f78e22b321429afc77befecedf05543d4e2c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/9874e33ce52ba449ab0ade78752a2d37a2294617 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/abe850d82c8cb72d28700673678724e779b1826e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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