wifi: cfg80211: fix use-after-free in cmp_bss()
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 95% of all CVEs
observed exploitation
nono source reports it
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.
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-089022.htmlhttps://git.kernel.org/stable/c/26e84445f02ce6b2fe5f3e0e28ff7add77f35e08https://git.kernel.org/stable/c/5b7ae04969f822283a95c866967e42b4d75e0eefhttps://git.kernel.org/stable/c/6854476d9e1aeaaf05ebc98d610061c2075db07dhttps://git.kernel.org/stable/c/912c4b66bef713a20775cfbf3b5e9bd71525c716https://git.kernel.org/stable/c/a8bb681e879ca3c9f722aa08d3d7ae41c42a8807https://git.kernel.org/stable/c/a97a9791e455bb0cd5e7a38b5abcb05523d4e21chttps://git.kernel.org/stable/c/b7d08929178c16398278613df07ad65cf63cce9dhttps://git.kernel.org/stable/c/ff040562c10a540b8d851f7f4145fa112977f853https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html