Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211 – Fix for buffer overflow in elem comparison. For vendor elements, the code assumes that 5 octets are present without checking them. Since the element itself has already been checked for compatibility, we only need...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: Fix use after free for wext The key information in wext.connect is not reset upon reconnection, and this can retain data from a previous connection. Resetting the key data prevents drivers or mac80211 from...

CVE-2026-64174

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: advance loop vars in cfg80211mergeprofile cfg80211mergeprofile reassembles a Multi-BSSID non-transmitted BSS profile that has been split across multiple consecutive MBSSID elements. Its while-loop calls...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: cfg80211 – Reject authentication/association requests to APs using our own address. If the AP uses our own address as its MLD Media Access Layer address or BSSID Basic Service Set Identifier, then something is clearly wrong...

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...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992837)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992837 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix buffer overflow in elem comparison For vendor elements, the code here assumes...

Linux Distros Unpatched Vulnerability : CVE-2023-53992

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: cfg80211: ocb: don't leave if not joined If there's no OCB state, don't ask the driver/mac80211 to leave, since that's just confusing. Since set/clear the...

RHEL 9 : kernel-rt (RHSA-2025:23424)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:23424 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

RHEL 9 : kernel (RHSA-2025:22392)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22392 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: nfsd: handle getclientlocked...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.4 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989972)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989972 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: handle 2x996 RU allocation in cfg80211calculatebitratehe Currently...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: wifi: mac80211: check S1G action frame size CVE-2023-53257 kernel: wifi: mwifiex: Fix OOB and integer underflow when rx packets CVE-2023-53226 kernel: wifi: cfg80211: fix use-after-free i...

RHEL 8 : kernel (RHSA-2025:19102)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:19102 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: Bluetooth: L2CAP: fix bad...

Linux Distros Unpatched Vulnerability : CVE-2023-53540

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - wifi: cfg80211: reject auth/assoc to AP with our address If the AP uses our own address as its MLD address or BSSID, then clearly something's wrong. Reject such...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987244)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987244 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: fix buffer overflow in elem comparison For vendor elements, the code here assumes...

CVE-2023-53540

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: reject auth/assoc to AP with our address If the AP uses our own address as its MLD address or BSSID, then clearly something's wrong. Reject such connections so we don't try and fail later...

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...

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...

DEBIAN-CVE-2025-39849

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: sme: cap SSID length in cfg80211connectresult If the ssid-datalen is more than IEEE80211MAXSSIDLEN 32 it would lead to memory corruption so add some bounds checking...