CVE-2025-39864

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < a8bb681e879ca3c9f722aa08d3d7ae41c42a8807affected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < a97a9791e455bb0cd5e7a38b5abcb05523d4e21caffected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < ff040562c10a540b8d851f7f4145fa112977f853affected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < 6854476d9e1aeaaf05ebc98d610061c2075db07daffected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < b7d08929178c16398278613df07ad65cf63cce9daffected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < 5b7ae04969f822283a95c866967e42b4d75e0eefaffected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < 912c4b66bef713a20775cfbf3b5e9bd71525c716affected
LinuxLinux3ab8227d3e7d1d2bf1829675d3197e3cb600e9f6 < 26e84445f02ce6b2fe5f3e0e28ff7add77f35e08affected
LinuxLinux5.4affected
LinuxLinux0 < 5.4unaffected
LinuxLinux5.4.299 <= 5.4.*unaffected
LinuxLinux5.10.243 <= 5.10.*unaffected
LinuxLinux5.15.192 <= 5.15.*unaffected
LinuxLinux6.1.151 <= 6.1.*unaffected
LinuxLinux6.6.105 <= 6.6.*unaffected
LinuxLinux6.12.46 <= 6.12.*unaffected
LinuxLinux6.16.6 <= 6.16.*unaffected
LinuxLinux6.17 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References