Unity Linux 20.1050a Security Update: kernel (UTSA-2026-006952)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006952 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006701)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006701 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit...

CVE-2025-39864

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

AZL-67575 CVE-2025-39864 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

AZL-74921 CVE-2025-39864 affecting package kernel for versions less than 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

DEBIAN-CVE-2025-39864

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

UBUNTU-CVE-2025-39864

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

CVE-2025-39864 wifi: cfg80211: fix use-after-free in cmp_bss()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

CVE-2025-39864 wifi: cfg80211: fix use-after-free in cmp_bss()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

CVE-2025-39864 wifi: cfg80211: fix use-after-free in cmp_bss()

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix use-after-free in cmpbss Following bssfree quirk introduced in commit 776b3580178f "cfg80211: track hidden SSID networks properly", adjust cfg80211updateknownbss to free the last beacon frame elements only if...

CVE-2025-39864

CVE-2025-39864 affects the Linux kernel wifi subsystem (cfg80211) and specifically the cmp_bss() path after a use-after-free in bss_free(). The fix, applied via commits addressing the hidden_beacon_bss handling, ensures the last beacon frame elements are freed only when not shared by the hidden_b...