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CVE-2026-68355

Unknown

Last modified

CVE-2026-68355 is a vulnerability of currently unknown severity. In 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..

Description

In 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.

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= d5c65159f2895379e11ca13f62feabe93278985d, < 69a6a4f60b2da92c0bdfd9264b8ffe053f51f52a; >= d5c65159f2895379e11ca13f62feabe93278985d, < 904367381a922aa2dc3e8bd2488e6c9180516c7a; >= d5c65159f2895379e11ca13f62feabe93278985d, < a154ca3c441a67d36b3a9ea63a4f11b06abe6223; >= d5c65159f2895379e11ca13f62feabe93278985d, < 725c1c3a8c5d920a7d3f5887412f2ad8e95a74f5; >= d5c65159f2895379e11ca13f62feabe93278985d, < 7f11e70629650ff6ea140984e5ce188b775b2683
LinuxLinux5.6

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-68355?
In 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.
How severe is CVE-2026-68355?
Severity scoring for CVE-2026-68355 is pending analysis.
How do I fix CVE-2026-68355?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST