wifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68355
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-10 13:20:27 UTC
Updated2026-08-10 13:20:27 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix potential buffer underflow in ath11k_hal_rx_msdu_list_get() When the first entry in msdu_details has a zero buffer address, the code accesses msdu_details[i - 1] with i == 0, causing a buffer underflow. Fix similarly to ath12k_wifi7_hal_rx_msdu_list_get() by adding a separate check for i == 0 before the main condition to prevent the out-of-bounds access. Found by Linux Verification Center (linuxtesting.org) with SVACE.

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 904367381a922aa2dc3e8bd2488e6c9180516c7a git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d a154ca3c441a67d36b3a9ea63a4f11b06abe6223 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5 git Not specified
CNA Linux Linux affected d5c65159f2895379e11ca13f62feabe93278985d 7f11e70629650ff6ea140984e5ce188b775b2683 git Not specified
CNA Linux Linux affected 5.6 Not specified
CNA Linux Linux unaffected 5.6 semver Not specified
CNA Linux Linux unaffected 6.6.148 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.101 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.42 6.18.* semver Not specified
CNA Linux Linux unaffected 7.1.6 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2-rc5 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/7f11e70629650ff6ea140984e5ce188b775b2683 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/904367381a922aa2dc3e8bd2488e6c9180516c7a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/a154ca3c441a67d36b3a9ea63a4f11b06abe6223 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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