UBUNTU-CVE-2022-49147

In the Linux kernel, the following vulnerability has been resolved: block: Fix the maximum minor value is blkallocextminor idaallocrange..., min, max, ... returns values from min to max, inclusive. So, NREXTDEVT is a valid idx returned by blkallocextminor. This is an issue because in deviceadddis...

UBUNTU-CVE-2022-49133

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: svm range restore work deadlock when process exit kfdprocessnotifierrelease flush svmrangerestorework which calls svmrangelistlockandflushwork to flush deferredlist work, but if deferredlist work mmput release the las...

UBUNTU-CVE-2022-49189

In the Linux kernel, the following vulnerability has been resolved: clk: qcom: clk-rcg2: Update logic to calculate D value for RCG The display pixel clock has a requirement on certain newer platforms to support M/N as 2/3 and the final D value calculated results in underflow errors. As the curren...

DEBIAN-CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

UBUNTU-CVE-2021-47639

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Zap all roots when unmapping gfn range in TDP MMU Zap both valid and invalid roots when zapping/unmapping a gfn range, as KVM must ensure it holds no references to the freed page after returning from the unmap...

CVE-2022-49721 arm64: ftrace: consistently handle PLTs.

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

CVE-2022-49547 btrfs: fix deadlock between concurrent dio writes when low on free data space

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49547 btrfs: fix deadlock between concurrent dio writes when low on free data space

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between concurrent dio writes when low on free data space When reserving data space for a direct IO write we can end up deadlocking if we have multiple tasks attempting a write to the same file range, there ar...

CVE-2022-49133 drm/amdkfd: svm range restore work deadlock when process exit

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: svm range restore work deadlock when process exit kfdprocessnotifierrelease flush svmrangerestorework which calls svmrangelistlockandflushwork to flush deferredlist work, but if deferredlist work mmput release the las...

CVE-2022-49133 drm/amdkfd: svm range restore work deadlock when process exit

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: svm range restore work deadlock when process exit kfdprocessnotifierrelease flush svmrangerestorework which calls svmrangelistlockandflushwork to flush deferredlist work, but if deferredlist work mmput release the las...

CVE-2022-49133

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: svm range restore work deadlock when process exit kfdprocessnotifierrelease flush svmrangerestorework which calls svmrangelistlockandflushwork to flush deferredlist work, but if deferredlist work mmput release the las...

CVE-2022-49077

CVE-2022-49077 — Linux kernel : A vulnerability where an mremap(old_size=0) path could reach move_page_tables() and trigger unnecessary invalidate_range_start()/invalidate_range_end() on an empty range, causing a WARN in KVM mmu_notifier. The published fix is to short‑circuit with an early return...

CVE-2022-49077

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: avoid pointless invalidaterangestart/end on mremapoldsize=0 If an mremap syscall with oldsize=0 ends up in movepagetables, it will call invalidaterangestart/invalidaterangeend unnecessarily, i.e. with an empty range...

PT-2025-8340

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential deadlock situation has been identified in the Linux kernel, specifically in the blk ia range sysfs show function. This issue arises when the queue sysfs lock is used while...

CVE-2022-49721: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64: ftrace: consistently handle PLTs. Sometimes it is necessary to use a PLT entry to call an ftrace trampoline. This is handled by ftracemakecall and ftracemakenop, with each having almost identical logic, but this is not...

Linux Kernel Security Vulnerabilities

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 stems from an unnecessary invalidaterangestart/end call on mremapoldsize=0, which results in a mmunotifier warning for...

PT-2025-8480

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the Linux kernel when multiple tasks attempt to write to the same file range in a btrfs file system, specifically when the file range covers multiple extents and...

Linux Kernel Security Vulnerabilities

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 stems from a svm range restore work that can lead to a deadlock when the process exits...

Linux Kernel Security Vulnerabilities

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 Linux kernel that stems from xascreaterange incorrectly handling multiple sequential entries when they exist...

Linux Kernel Security Vulnerabilities

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 stems from a failure to check the formatcount range in advance resulting in resource consumption...