GSD-2022-1005380 KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nested_run_pending case

KVM: nVMX: Snapshot pre-VM-Enter DEBUGCTL for !nestedrunpending case 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 v5.19.2 by commit...

GSD-2022-1005379 KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0

KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 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 v5.19.2 by commit...

GSD-2022-1005378 KVM: x86: Mark TSS busy during LTR emulation _after_ all fault checks

KVM: x86: Mark TSS busy during LTR emulation after all fault checks 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 v5.19.2 by commit...

GSD-2022-1005377 KVM: x86/xen: Stop Xen timer before changing IRQ

KVM: x86/xen: Stop Xen timer before changing IRQ 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 v5.19.2 by commit...

GSD-2022-1005376 KVM: x86/xen: Initialize Xen timer only once

KVM: x86/xen: Initialize Xen timer only once 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 v5.19.2 by commit...

GSD-2022-1005371 KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT

KVM: x86/mmu: Treat NX as a valid SPTE bit for NPT 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 v5.19.2 by commit...

GSD-2022-1005259 KVM: Don't set Accessed/Dirty bits for ZERO_PAGE

KVM: Don't set Accessed/Dirty bits for ZEROPAGE 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 v5.19.2 by commit...

GSD-2022-1005245 KVM: s390: pv: leak the topmost page table when destroy fails

KVM: s390: pv: leak the topmost page table when destroy fails 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 v5.19.2 by commit...

GSD-2022-1005170 KVM: Unconditionally get a ref to /dev/kvm module when creating a VM

KVM: Unconditionally get a ref to /dev/kvm module when creating a VM 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 v5.19.4 by commit...

USN-5616-1 linux-intel-iotg vulnerabilities

Asaf Modelevsky discovered that the IntelR 10GbE PCI Express ixgbe Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. CVE-2021-33061 Moshe Kol, Amit Klein and Yossi Gilad discovered that the I...

USN-5616-1: Linux kernel (Intel IoTG) vulnerabilities

Asaf Modelevsky discovered that the IntelR 10GbE PCI Express ixgbe Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. CVE-2021-33061 Moshe Kol, Amit Klein and Yossi Gilad discovered that the I...

PT-2022-33629 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to 5.19.2 Description: A potential security issue exists in the KVM x86/mmu component, related to the treatment of NX as a valid SPTE bit for NPT. The actual impact and attack plausibility have not yet been proven...

PT-2022-33638 · Linux · Kvm

Name of the Vulnerable Software and Affected Versions: KVM versions prior to v5.19.2 Description: The issue concerns the KVM's nVMX snapshot pre-VM-Enter DEBUGCTL for the !nested run pending case. The actual impact and attack plausibility have not yet been proven. Recommendations: For versions...

PT-2022-33517 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.2 Description: The issue concerns the KVM in the Linux Kernel, where the Accessed/Dirty bits are not set for the ZERO PAGE. The actual impact and attack plausibility of this issue have not yet been proven...

Unbreakable Enterprise kernel security update

4.14.35-2047.517.3 - KVM: x86: use raw clock values consistently Paolo Bonzini Orabug: 34575637 - KVM: x86: reorganize pvclockgtoddata members Paolo Bonzini Orabug: 34575637 - KVM: x86: switch KVMCLOCK base to monotonic raw clock Marcelo Tosatti Orabug: 34575637 4.14.35-2047.517.2 - kernfs: Repla...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.517.3.el7 - KVM: x86: use raw clock values consistently Paolo Bonzini Orabug: 34575637 - KVM: x86: reorganize pvclockgtoddata members Paolo Bonzini Orabug: 34575637 - KVM: x86: switch KVMCLOCK base to monotonic raw clock Marcelo Tosatti Orabug: 34575637 4.14.35-2047.517.2.el7 - kernf...

RHEL 7 : kernel (RHSA-2021:4768)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:4768 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: use-after-free in...

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...

kernel: x86/fpu: KVM: Set the base guest FPU uABI size to sizeof(struct kvm_xsave)

In the Linux kernel, the following vulnerability has been resolved: x86/fpu: KVM: Set the base guest FPU uABI size to sizeofstruct kvmxsave Set the starting uABI size of KVM's guest FPU to 'struct kvmxsave', i.e. to KVM's historical uABI size. When saving FPU state for usersapce, KVM well, now th...

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

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