PT-2022-35700

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.4.219 Description A use-after-free issue exists in the wifi mac80211 component. The actual impact and attack plausibility have not yet been proven. Recommendations For Linux Kernel versions prior to v5.4.219,...

PT-2022-35182 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.2 Description: The issue is related to a use-after-free error in the MBSSID parsing component of the mac80211 wifi module. The actual impact and attack plausibility have not yet been proven. Recommendations...

PT-2022-35414

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.74 Description A potential security issue exists in the wifi cfg80211/mac80211 component, where bad MBSSID elements are not properly rejected. The actual impact and attack plausibility of this issue have no...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.15.74 and fixes at least the following security issues: A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-5691-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5691-1 advisory. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a...

Denial Of Service (DoS)

Linux kernel is vulnerable to denial of service. The vulnerability exists in BSS handling in the mac80211 stack which allows an attacker to inject and execute arbitrary codes...

Denial Of Service (DoS)

Linux kernel is vulnerable to denial of service. The vulnerability exists in mac80211 stack when parsing a multi-BSSID element which allows an attacker to execute arbitrary codes and crash the system...

A use-after-free in the mac80211 stack when parsing a multi-BSSID element in the Linux kernel 5.2 through 5.19.x before 5.19.16 could be used by attackers (able to inject WLAN frames) to crash the kernel and potentially execute code.

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SUSE SLES15: kernel-livepatch-5_14_21-150400_22-default / etc (SUSE-SU-2022:3628-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3628-1 advisory. This update for the Linux Kernel 5.14.21-15040022 fixes several issues. The following security issues were fixed: - CVE-2022-41674: Fixed buffe...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5692-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5692-1 advisory. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a...

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to trigger use-after-free conditions to potentially execute code.

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In the Linux kernel 5.8 through 5.19.x before 5.19.16 local attackers able to inject WLAN frames into the mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon protection of P2P devices.

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A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to corrupt a linked list and in turn potentially execute code.

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SUSE-SU-2022:3606-1 Security update for the Linux Kernel (Live Patch 24 for SLE 15 SP3)

This update for the Linux Kernel 5.3.18-1503005993 fixes several issues. The following security issues were fixed: - CVE-2022-41674: Fixed buffer overflow that can be triggered by injected WLAN frames bsc1203994. - CVE-2022-42719: Fixed use-after-free in the mac80211 stack when parsing a...

SUSE SLES15 Security Update : kernel (Live Patch 2 for SLE 15 SP4) (SUSE-SU-2022:3605-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:3605-1 advisory. This update for the Linux Kernel 5.14.21-1504002418 fixes several issues. The following security issues were fixed: - CVE-2022-41674: Fixed...

Security Advisory 2022-10-17-1 - Multiple issues in mac80211 and cfg80211 (CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721 and CVE-2022-42722)

DESCRIPTION Multiple vulnerabilities were found in the Linux Kernel mac80211 and cfg80211 framework. OpenWrt takes the mac80211 and cfg80211 framework from the wireless backports project which copies it from a more recent Linux kernel version. These vulnerabilities are in the multi BSSID MBSSID...

AZL-11116 CVE-2022-42720 affecting package kernel for versions less than 5.15.74.1-3

Various refcounting bugs in the multi-BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers able to inject WLAN frames to trigger use-after-free conditions to potentially execute code...

DEBIAN-CVE-2022-42722

In the Linux kernel 5.8 through 5.19.x before 5.19.16, local attackers able to inject WLAN frames into the mac80211 stack could cause a NULL pointer dereference denial-of-service attack against the beacon protection of P2P devices...

DEBIAN-CVE-2022-41674

An issue was discovered in the Linux kernel before 5.19.16. Attackers able to inject WLAN frames could cause a buffer overflow in the ieee80211bssinfoupdate function in net/mac80211/scan.c...

CVE-2022-42721

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers able to inject WLAN frames to corrupt a linked list and, in turn, potentially execute code...