RockyLinux 9 : kernel (RLSA-2024:6567)

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:6567 advisory. kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: nfsd: fix RELEASELOCKOWNER CVE-2024-26629 kernel: mm:...

RHEL 9 : kernel (RHSA-2024:6567)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:6567 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: efivarfs: force RO when...

ALSA-2024:6567 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: nfsd: fix RELEASELOCKOWNER CVE-2024-26629 kernel: mm: cachestat: fix folio read-after-free in cac...

RHEL 9 : kernel (RHSA-2024:5672)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5672 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: efivarfs: force RO when...

RockyLinux 8 : kernel-rt (RLSA-2024:5102)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2024:5102 advisory. kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: tracing: Restructure traceclockglobal to never block...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

ALSA-2024:5101 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: powerpc: Fix access beyond end of drmem array CVE-2023-52451 kernel: efivarfs: force RO when remounting if SetVariable is not supported CVE-2023-52463 kernel: tracing: Restructure...

CentOS 9 : kernel-5.14.0-467.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the kernel-5.14.0-467.el9 build changelog. - In the Linux kernel, the following vulnerability has been resolved: efivarfs: force RO when remounting if SetVariable is not supported ...

USN-6819-2: Linux kernel vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

Ubuntu 23.10 : Linux kernel vulnerabilities (USN-6819-2)

The remote Ubuntu 23.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6819-2 advisory. Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference...

[slackware-security] Slackware 15.0 kernel

New kernel packages are available for Slackware 15.0 to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/linux-5.15.160/: Upgraded. These updates fix various bugs and security issues. Be sure to upgrade your initrd after upgrading the kernel packages. ...

SUSE-SU-2024:0900-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-6270: Fixed a use-after-free issue in aoecmdcfgpkts bsc1218562. - CVE-2023-52463: Fixed null pointer dereference in efivarfs bsc1220328. - CVE-2023-52559:...

Ubuntu: Security Advisory (USN-6688-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2023-52463

A flaw was found in the Linux kernel, which involves the improper handling of the efivarfs filesystem when the firmware does not support the SetVariable function at runtime. Specifically, even if efivarfs is initially mounted as read-only RO, it can be remounted as read-write RW without checking ...

UBUNTU-CVE-2023-52463

In the Linux kernel, the following vulnerability has been resolved: efivarfs: force RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware we never assign a callback for that function. At the same time mount the efivarfs as RO so no one can...

CVE-2023-52463

CVE-2023-52463 affects the Linux kernel efivarfs: when SetVariable support is missing at runtime, the code remounts efivarfs RO but fails to validate remount flags, allowing a NULL or improper access leading to a crash. The issue is demonstrated by remounting /sys/firmware/efi/efivars RW and issu...

CVE-2023-52463 efivarfs: force RO when remounting if SetVariable is not supported

In the Linux kernel, the following vulnerability has been resolved: efivarfs: force RO when remounting if SetVariable is not supported If SetVariable at runtime is not supported by the firmware we never assign a callback for that function. At the same time mount the efivarfs as RO so no one can...