wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-47712
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-10-21 12:15:07 UTC
Updated2026-08-04 11:20:43 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed.

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-476

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.3HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
3.1CNADECLARED8.3HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

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 e556006de4ea93abe2b46cba202a2556c544b8b2 5a24cedc243ace5ed7c1016f52a7bfc8f5b07815 git Not specified
CNA Linux Linux affected b4bbf38c350acb6500cbe667b1e2e68f896e4b38 557418e1704605a81c9e26732449f71b1d40ba1e git Not specified
CNA Linux Linux affected d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2 bf090f4fe935294361eabd9dc5a949fdd77d3d1b git Not specified
CNA Linux Linux affected 745003b5917b610352f52fe0d11ef658d6471ec2 b040b71d99ee5e17bb7a743dc01cbfcae8908ce1 git Not specified
CNA Linux Linux affected 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce 84398204c5df5aaf89453056cf0647cda9664d2b git Not specified
CNA Linux Linux affected 205c50306acf58a335eb19fa84e40140f4fe814f 2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5 git Not specified
CNA Linux Linux affected 205c50306acf58a335eb19fa84e40140f4fe814f 79510414a7626317f13cc9073244ab7a8deb3192 git Not specified
CNA Linux Linux affected 205c50306acf58a335eb19fa84e40140f4fe814f 6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8 git Not specified
CNA Linux Linux affected 5800ec78775c0cd646f71eb9bf8402fb794807de git Not specified
CNA Linux Linux affected dd50d3ead6e3707bb0a5df7cc832730c93ace3a7 git Not specified
CNA Linux Linux affected 5.4.273 5.4.285 semver Not specified
CNA Linux Linux affected 5.10.214 5.10.227 semver Not specified
CNA Linux Linux affected 5.15.153 5.15.168 semver Not specified
CNA Linux Linux affected 6.1.83 6.1.113 semver Not specified
CNA Linux Linux affected 6.6.23 6.6.54 semver Not specified
CNA Linux Linux affected 6.7.11 6.8 semver Not specified
CNA Linux Linux affected 6.8.2 6.9 semver Not specified
CNA Linux Linux affected 6.9 Not specified
CNA Linux Linux unaffected 6.9 semver Not specified
CNA Linux Linux unaffected 5.4.285 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.227 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.168 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.113 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.54 6.6.* semver Not specified
CNA Linux Linux unaffected 6.10.13 6.10.* semver Not specified
CNA Linux Linux unaffected 6.11.2 6.11.* semver Not specified
CNA Linux Linux unaffected 6.12 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org
git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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