SB2026092501 - Memory corruption in Linux kernel ath ath11k driver
Published: September 25, 2026
Security Bulletin ID
SB2026092501
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Memory corruption (CVE-ID: CVE-2026-97442)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 5.3 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to cause memory corruption.
The vulnerability exists due to improper validation of native Wi-Fi header length in ath11k_dp_rx_h_undecap_nwifi() when processing hardware-provided packets using the DP_RX_DECAP_TYPE_NATIVE_WIFI decapsulation type. A remote attacker can provide a packet with a native Wi-Fi header length exceeding the maximum supported length to cause memory corruption.
Remediation
Install update from vendor's website.