SUSE-SU-2024:2893-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-39494: ima: Fix use-after-free on a dentry's dname.name bsc1227716. - CVE-2024-41069: ASoC: topology: Fix route memory corruption bsc1228644. -...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6949-2)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6949-2 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

Ubuntu 24.04 LTS : Linux kernel (Azure) vulnerabilities (USN-6952-2)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-2 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...

USN-6955-1: Linux kernel (OEM) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

USN-6955-1 linux-oem-6.8 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

Ubuntu 24.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6955-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6955-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws i...

USN-6952-1: Linux kernel vulnerabilities

Benedict Schlüter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and compromise the security guarantees of AMD SEV-SNP. This flaw is known as WeSee. A local attacker in control of the hypervisor could use this to...

Ubuntu 24.04 LTS : Linux kernel vulnerabilities (USN-6952-1)

"The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-6952-1 advisory. Benedict Schlter, Supraja Sridhara, Andrin Bertschi, and Shweta Shinde discovered that an untrusted hypervisor could inject malicious VC interrupts and...

USN-6949-1: Linux kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - M68K architecture; - OpenRISC architecture; - PowerPC architecture; -...

kernel: ensure definition of the fixmap area is in a limit

A flaw was found in the Linux kernel. The fixmap area that was defined for the PPC64 architecture was invalid...

kernel: powerpc: Fix access beyond end of drmem array

A flaw was found in the Linux kernel, specifically affecting the PowerPC architecture's pseries memory hotplug functionality. The issue arises from the dlparmemoryremovebyindex function, which may access memory beyond the bounds of the drmem logical memory block LMB array when it fails to find a...

kernel: powerpc/pseries: Enforce hcall result buffer validity and size

A vulnerability was found in the Linux kernel's powerpc/pseries architecture, where certain hypercall functions did not properly enforce the validity and size of result buffers provided by callers, lead to stack corruption if the buffer is too small, as the lack of compiler checks allows for...

RHEL 8 : kernel (RHSA-2024:5101)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:5101 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: powerpc: Fix access beyond end...

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...