CVE-2025-39864

HIGH

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.

CVSS v3.1 Score

8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Published: 9/19/2025Modified: 10/19/2026

Related Intelligence (1)

CRITICALData Breach

Siemens SIMATIC

<p><a href="https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-134-10.json"><strong>View CSAF</strong></a></p> <h2>Summary</h2> <p><strong>SIMATIC CN 4100 contains multiple vulnerabilities which could potentially lead to a compromise in availability, integrity and confidentiality. Siemens has released a new version for SIMATIC CN 4100 and recommends to update to the late

CVE-2024-47704CVE-2024-57924
CISA Advisories

References (12)

https://git.kernel.org/stable/c/26e84445f02ce6b2fe5f3e0e28ff7add77f35e08Patchhttps://git.kernel.org/stable/c/5b7ae04969f822283a95c866967e42b4d75e0eefPatchhttps://git.kernel.org/stable/c/6854476d9e1aeaaf05ebc98d610061c2075db07dPatchhttps://git.kernel.org/stable/c/912c4b66bef713a20775cfbf3b5e9bd71525c716Patchhttps://git.kernel.org/stable/c/a8bb681e879ca3c9f722aa08d3d7ae41c42a8807Patchhttps://git.kernel.org/stable/c/a97a9791e455bb0cd5e7a38b5abcb05523d4e21cPatchhttps://git.kernel.org/stable/c/b7d08929178c16398278613df07ad65cf63cce9dPatchhttps://git.kernel.org/stable/c/ff040562c10a540b8d851f7f4145fa112977f853Patchhttps://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing ListThird Party Advisoryhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing ListThird Party Advisoryhttps://cert-portal.siemens.com/productcert/html/ssa-032379.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-089022.html