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...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-6949-1)

"The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6949-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

SUSE CVE-2024-41064

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...

SUSE CVE-2024-41065

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

SUSE CVE-2024-41070

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Prevent UAF in kvmspaprtceattachiommugroup Al reported a possible use-after-free UAF in kvmspaprtceattachiommugroup. It looks up stt from tablefd, but then continues to use it after doing fdput on the returne...

SUSE CVE-2024-42126

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

SUSE CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

USN-6895-4: Linux kernel vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the HugeTLB file syst...

Ubuntu 22.04 LTS : Linux kernel vulnerabilities (USN-6895-4)

The remote Ubuntu 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6895-4 advisory. It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An...

Unspecified vulnerability in Linux kernel (CNVD-2024-35104)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that originates in the powerpc/pseries module when kexec is used and the pseries platform disables AIL before the other CPUs...

CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2024-41064

In the Linux kernel, the following vulnerability has been resolved: powerpc/eeh: avoid possible crash when edev-pdev changes If a PCI device is removed during eehpereportedev, edev-pdev will change and can cause a crash, hold the PCI rescan/remove lock while taking a copy of edev-pdev-bus...

CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

DEBIAN-CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

AZL-47232 CVE-2024-42230 affecting package kernel for versions less than 6.6.43.1-7

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2024-42126

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

DEBIAN-CVE-2024-42126

In the Linux kernel, the following vulnerability has been resolved: powerpc: Avoid nmienter/nmiexit in real mode interrupt. nmienter/nmiexit touches per cpu variables which can lead to kernel crash when invoked during real mode interrupt handling e.g. early HMI/MCE interrupt handler if percpu...

CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

UBUNTU-CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...

CVE-2024-42230

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Fix scv instruction crash with kexec kexec on pseries disables AIL reloconexc, required for scv instruction support, before other CPUs have been shut down. This means they can execute scv instructions after AIL i...