CVE-2026-98159
MEDIUM severity · CVSS 5.5 · Out-of-bounds write
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921: validate CLC firmware records The CLC region is supplied by firmware, but the loader trusts the region count and each record length. A malformed image can make the region table pointer precede the firmware buffer, make the record loop fail to advance, or index phy->clc past its end. Validate the table and record bounds before dereferencing or copying.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dffPatch
- https://git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322Patch
- https://git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05Patch
- https://git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06cePatch
- https://git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02Patch
- https://git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033Patch