wifi: mt76: mt7921: validate CLC firmware records
Summary
| CVE | CVE-2026-98159 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-09-25 11:17:47 UTC |
| Updated | 2026-10-19 10:18:16 UTC |
| Description | 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. |
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
EPSS: 0.001560000 probability, percentile 0.040830000 (date 2026-09-27)
Problem Types: CWE-787
CVSS v3.1 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS: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)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 46673662402884ca55a869e4ebe956e08e8b6b05 git | Not specified |
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 740272d46ffc8231709a5e774cf5e4a5785b8a02 git | Not specified |
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 602a950134ee2940136f60797e4457c3983b06ce git | Not specified |
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3896be051e928c891922d91de94c99519d215dff git | Not specified |
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 3c505e2af16a9320f4355218394a955fbbc65322 git | Not specified |
| CNA | Linux | Linux | affected 23bdc5d8cadfc941e7782d0cb8afb2d9ae73b125 9417c5818a0146980c2608fda94c908e604eb033 git | Not specified |
| CNA | Linux | Linux | affected 6.1 | Not specified |
| CNA | Linux | Linux | unaffected 6.1 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.189 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.158 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.111 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.53 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2.7 7.2.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/46673662402884ca55a869e4ebe956e08e8b6b05 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/9417c5818a0146980c2608fda94c908e604eb033 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/602a950134ee2940136f60797e4457c3983b06ce | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/3c505e2af16a9320f4355218394a955fbbc65322 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/3896be051e928c891922d91de94c99519d215dff | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| git.kernel.org/stable/c/740272d46ffc8231709a5e774cf5e4a5785b8a02 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | Patch |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.