CVE-2025-39864
wifi: cfg80211: fix use-after-free in cmp_bss()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
5.4
References 8
git.kernel.org
- stable/c/a8bb681e879ca3c9f722aa08d3d7ae41c42a8807
- stable/c/a97a9791e455bb0cd5e7a38b5abcb05523d4e21c
- stable/c/ff040562c10a540b8d851f7f4145fa112977f853
- stable/c/6854476d9e1aeaaf05ebc98d610061c2075db07d
- stable/c/b7d08929178c16398278613df07ad65cf63cce9d
- stable/c/5b7ae04969f822283a95c866967e42b4d75e0eef
- stable/c/912c4b66bef713a20775cfbf3b5e9bd71525c716
- stable/c/26e84445f02ce6b2fe5f3e0e28ff7add77f35e08