CVE-2023-53802
wifi: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
- 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: ath9k: htc_hst: free skb in ath9k_htc_rx_msg() if there is no callback function It is stated that ath9k_htc_rx_msg() either frees the provided skb or passes its management to another callback function. However, the skb is not freed in case there is no another callback function, and Syzkaller was able to cause a memory leak. Also minor comment fix. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Timeline
- CVE published
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
2.6.35
References 8
git.kernel.org
- stable/c/b11f95f65cc52ee3a756e6f6a88df37a203e25bd
- stable/c/68171c006c8645a3e0293a6c3e6037c6538ac1c5
- stable/c/564bc2222bf50eb6cdee715a5431bf4dc9f923c1
- stable/c/ec246dfe006b2a8f36353f7489e4f525114db9a5
- stable/c/c0c0614f143b568cd0e9525d53cf12e5dcd11987
- stable/c/5a84e51f72580fc70066b03f3dac38421e702a0b
- stable/c/bbfababb4f899fe1556eac195f9774b6fe675fb6
- stable/c/9b25e3985477ac3f02eca5fc1e0cc6850a3f7e69