SB20260812220 - NULL pointer dereference in Linux kernel mt76 mt7996 driver
Published: August 12, 2026
Security Bulletin ID
SB20260812220
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2026-68306)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local attacker to cause a denial of service.
The vulnerability exists due to a NULL pointer dereference in mt7996_mcu_sta_bfer_eht() when handling EHT PHY capability data. A local attacker can trigger the vulnerable code path to cause a denial of service.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/2b1882cf313ae44181146629b3578a7826c672c9
- https://git.kernel.org/stable/c/2fffc472bec490c8357defcee9c075ca74467352
- https://git.kernel.org/stable/c/3e4f848f4a620e1d77c38459e73cf3b362f7bc6b
- https://git.kernel.org/stable/c/45c496756c6f6df6c3aeb5b2cb996993d2f14687
- https://git.kernel.org/stable/c/d5628f39fccc107dca00b98a491d9848898599f7