SB20250916128 - Use-after-free in Linux kernel iwlwifi mvm driver
Published: September 16, 2025 Updated: September 22, 2025
Security Bulletin ID
SB20250916128
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2022-50248)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the iwl_mvm_tx_skb_sta() function in drivers/net/wireless/intel/iwlwifi/mvm/tx.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0473cbae2137b963bd0eaa74336131cb1d3bc6c3
- https://git.kernel.org/stable/c/0e1e311fd929c6a8dcfddcb4748c47b07e39821f
- https://git.kernel.org/stable/c/3a2ecd1ec14075117ccb3e85f0fed224578ec228
- https://git.kernel.org/stable/c/8fabe41fba907e4fd826acbbdb42e09c681c515e
- https://git.kernel.org/stable/c/ae966649f665bc3868b935157dd4a3c31810dcc0
- https://git.kernel.org/stable/c/d8e32f1bf1a9183a6aad560c6688500222d24299
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.86