Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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...

RHEL 8 : kernel-rt (RHSA-2023:1560)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1560 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5987-1)

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-5987-1 advisory. It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1...

RHEL 8 : kernel (RHSA-2023:1559)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1559 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free caused by...

RHEL 8 : kernel-rt (RHSA-2023:1556)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1556 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

RHEL 8 : kernel-rt (RHSA-2023:1584)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1584 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirement...

SUSE SLES15 Security Update : kernel (Live Patch 7 for SLE 15 SP4) (SUSE-SU-2023:1708-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1708-1 advisory. This update for the Linux Kernel 5.14.21-1504002441 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed...

OESA-2023-1200 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRVCTLIOCTLELEMREAD|WRITE32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 acces...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-5984-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5984-1 advisory. It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use...

SUSE SLES15 Security Update : kernel (Live Patch 2 for SLE 15 SP4) (SUSE-SU-2023:1649-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1649-1 advisory. - A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRVCTLIOCTLELEMREAD|WRITE32 is missing locks that can be...

SUSE SLES12 Security Update : kernel (Live Patch 34 for SLE 12 SP5) (SUSE-SU-2023:1602-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1602-1 advisory. This update for the Linux Kernel 4.12.14-122130 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed double...

SUSE SLES15 Security Update : kernel (Live Patch 19 for SLE 15 SP3) (SUSE-SU-2023:1647-1)

The remote SUSE Linux SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1647-1 advisory. - A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRVCTLIOCTLELEMREAD|WRITE32 is missing locks that can be...

SUSE SLES12 Security Update : kernel (Live Patch 38 for SLE 12 SP5) (SUSE-SU-2023:1619-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1619-1 advisory. - A use after free vulnerability exists in the ALSA PCM package in the Linux Kernel. SNDRVCTLIOCTLELEMREAD|WRITE32 is missing locks that can be...

SUSE SLES12 Security Update : kernel (Live Patch 39 for SLE 12 SP5) (SUSE-SU-2023:1640-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1640-1 advisory. This update for the Linux Kernel 4.12.14-122147 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed double...

SUSE SLES12 Security Update : kernel (Live Patch 31 for SLE 12 SP5) (SUSE-SU-2023:1653-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1653-1 advisory. This update for the Linux Kernel 4.12.14-122121 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed double...

Ubuntu 22.04 LTS : Linux kernel (HWE) vulnerabilities (USN-5979-1)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-5979-1 advisory. It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1 and L2 VMs...

SUSE SLES15 Security Update : kernel RT (Live Patch 1 for SLE 15 SP4) (SUSE-SU-2023:1576-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1576-1 advisory. This update for the Linux Kernel 5.14.21-150400155 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed doub...

SUSE SLES15 Security Update : kernel (Live Patch 27 for SLE 15 SP3) (SUSE-SU-2023:1591-1)

The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1591-1 advisory. This update for the Linux Kernel 5.3.18-15030059106 fixes several issues. The following security issues were fixed: - CVE-2023-26545: Fixed...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel vulnerabilities (USN-5982-1)

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-5982-1 advisory. It was discovered that the KVM VMX implementation in the Linux kernel did not properly handle indirect branch prediction isolation between L1...

CBL Mariner 2.0 Security Update: kernel (CVE-2022-1048)

The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2022-1048 advisory. - A use-after-free flaw was found in the Linux kernel's sound subsystem in the way a user triggers concurrent...