wifi: ath12k: Fix memory leak due to multiple rx_stats allocation
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.12.114, 6.15.4
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix memory leak due to multiple rx_stats allocation rx_stats for each arsta is allocated when adding a station. arsta->rx_stats will be freed when a station is removed. Redundant allocations are occurring when the same station is added multiple times. This causes ath12k_mac_station_add() to be called multiple times, and rx_stats is allocated each time. As a result there is memory leaks. Prevent multiple allocations of rx_stats when ath12k_mac_station_add() is called repeatedly by checking if rx_stats is already allocated before allocating again. Allocate arsta->rx_stats if arsta->rx_stats is NULL respectively. Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.3.1-00173-QCAHKSWPL_SILICONZ-1 Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
From d889913205cf7ebda905b1e62c5867ed4e39f6c2 · fixed in 2c4b122c75581331177686f68a08981371147d37; From d889913205cf7ebda905b1e62c5867ed4e39f6c2 · fixed in 232f962ae5fca98912a719e64b4964a5aec7c99b; From d889913205cf7ebda905b1e62c5867ed4e39f6c2 · fixed in c426497fa2055c8005196922e7d29c41d7e0948a
- Linux Linux
6.3
- KernelLinux
From 6.3.0 · fixed in 6.12.114; From 6.13.0 · fixed in 6.15.4