CVE-2022-3344

CVE-2022-3344 is a vulnerability in the Linux kernel related to KVM AMD nested virtualization (SVM). The issue allows a malicious L1 guest to fail to intercept the shutdown of a cooperative nested L2 guest, which can cause a page fault and kernel panic on the host. Public sources in Connected doc...

PT-2022-6439 · Kvm +7 · Kvm +7

Name of the Vulnerable Software and Affected Versions: KVM affected versions not specified Description: A flaw was found in KVM's AMD nested virtualization SVM. A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest L2, possibly leading to a page fault a...

CVE-2022-3344

A flaw was found in the KVM's AMD nested virtualization SVM. A malicious L1 guest could purposely fail to intercept the shutdown of a cooperative nested guest L2, possibly leading to a page fault and kernel panic in the host L0. Mitigation This vulnerability can be mitigated by disabling the nest...

Unbreakable Enterprise kernel security update

5.4.17-2136.312.3.4 - Revert 'fs: check FMODELSEEK to control internal pipe splicing' Saeed Mirzamohammadi Orabug: 34666845 5.4.17-2136.312.3.3 cpusreadlock deadlock Tejun Heo Orabug: 34607590 - cgroup: Elide write-locking threadgrouprwsem when updating csses on an empty subtree Tejun Heo Orabug:...

Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-150)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-150 advisory. 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 V...

GSD-2022-1006383 drm/amd/display: fix memory leak when using debugfs_lookup()

drm/amd/display: fix memory leak when using debugfslookup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.68 by commit...

GSD-2022-1006351 drm/amd/display: fix memory leak when using debugfs_lookup()

drm/amd/display: fix memory leak when using debugfslookup This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.9 by commit...

OESA-2022-1940 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper...

GSD-2022-1005925 drm/amd/display: clear optc underflow before turn off odm clock

drm/amd/display: clear optc underflow before turn off odm clock This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.4.212 by commit...

GSD-2022-1005720 drm/amd/pm: add missing ->fini_microcode interface for Sienna Cichlid

drm/amd/pm: add missing -finimicrocode interface for Sienna Cichlid This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.141 by commit...

PT-2022-33979 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.10.141 Description: The issue is related to the drm/amd/display component, specifically with clearing optc underflow before turning off the odm clock. The actual impact and attack plausibility have not yet be...

GSD-2022-1005411 drm/amd/display: clear optc underflow before turn off odm clock

drm/amd/display: clear optc underflow before turn off odm clock This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.65 by commit...

GSD-2022-1004992 drm/amd/pm: add missing ->fini_xxxx interfaces for some SMU13 asics

drm/amd/pm: add missing -finixxxx interfaces for some SMU13 asics This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.7 by commit...

PT-2022-33669 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to 5.15.65 Description: The issue is related to the drm/amd/display component, where an optc underflow is not properly cleared before turning off the odm clock. The actual impact and attack plausibility have not ye...

PT-2022-33256 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.7 Description: A potential memory leak in the gpu metrics table of the Linux Kernel's drm/amd/pm module has been identified. The actual impact and attack plausibility of this issue have not yet been proven...

kernel security, bug fix, and enhancement update

4.18.0-372.26.1.0.16.OL8 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32...

RLSA-2022:6460 Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Incomplete cleanup of multi-core shared buffers aka SBDR CVE-2022-21123 Incomplete cleanup of microarchitectural fill buffers aka SBDS CVE-2022-21125 Incomplete cleanup in specific special regist...

Moderate: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: Incomplete cleanup of multi-core shared buffers aka SBDR CVE-2022-21123 Incomplete cleanup of microarchitectural fill buffers aka SBDS CVE-2022-21125 Incomplete cleanup in specific special regist...

Amazon Linux 2022 : bpftool, kernel, kernel-devel (ALAS2022-2022-127)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2022-2022-127 advisory. A flaw was found in hw. Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions. CVE-2022-2381...

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 instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).

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