CVE-2023-54291

In the Linux kernel, the following vulnerability has been resolved: vduse: fix NULL pointer dereference vdusevdpasetvqaffinity callback can be called with NULL value as cpumask when deleting the vduse device. This patch resets virtqueue's IRQ affinity mask value to set all CPUs instead of...

CVE-2022-50873

In the Linux kernel, the following vulnerability has been resolved: vdpa/vpvdpa: fix kfree a wrong pointer in vpvdparemove In vpvdparemove, the code kfree&vpvdpamgtdev-mgtdev.idtable uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this:...

CVE-2023-54215

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtiovdpafindvqs Free the cpumask allocated by createaffinitymasks before returning from the function...

CVE-2023-54291

In the Linux kernel, the following vulnerability has been resolved: vduse: fix NULL pointer dereference vdusevdpasetvqaffinity callback can be called with NULL value as cpumask when deleting the vduse device. This patch resets virtqueue's IRQ affinity mask value to set all CPUs instead of...

CVE-2022-50873

In the Linux kernel, the following vulnerability has been resolved: vdpa/vpvdpa: fix kfree a wrong pointer in vpvdparemove In vpvdparemove, the code kfree&vpvdpamgtdev-mgtdev.idtable uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this:...

UBUNTU-CVE-2023-54215

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtiovdpafindvqs Free the cpumask allocated by createaffinitymasks before returning from the function...

CVE-2022-50851

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

CVE-2022-50851

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

CVE-2023-54291 vduse: fix NULL pointer dereference

In the Linux kernel, the following vulnerability has been resolved: vduse: fix NULL pointer dereference vdusevdpasetvqaffinity callback can be called with NULL value as cpumask when deleting the vduse device. This patch resets virtqueue's IRQ affinity mask value to set all CPUs instead of...

CVE-2023-54291

CVE-2023-54291 affects the Linux kernel’s vduse/vdpa code. The issue is a NULL pointer dereference when vduse_vdpa_set_vq_affinity is called with cpu_mask NULL during device deletion. The patch fixes the crash by resetting the virtqueue IRQ affinity mask to cover all CPUs instead of dereferencing...

CVE-2022-50873 vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove

In the Linux kernel, the following vulnerability has been resolved: vdpa/vpvdpa: fix kfree a wrong pointer in vpvdparemove In vpvdparemove, the code kfree&vpvdpamgtdev-mgtdev.idtable uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this:...

CVE-2022-50873 vdpa/vp_vdpa: fix kfree a wrong pointer in vp_vdpa_remove

In the Linux kernel, the following vulnerability has been resolved: vdpa/vpvdpa: fix kfree a wrong pointer in vpvdparemove In vpvdparemove, the code kfree&vpvdpamgtdev-mgtdev.idtable uses a reference of pointer as the argument of kfree, which is the wrong pointer and then may hit crash like this:...

CVE-2022-50873

CVE-2022-50873 affects the Linux kernel. In vp_vdpa_remove(), kfree is called with the address of vp_vdpa_mgtdev->mgtdev.id_table (a pointer’s address), which is the wrong pointer and can lead to a crash (example trace included). The advisory states this has been resolved via a kernel fix; rem...

CVE-2022-50851

In the Linux kernel, the following vulnerability has been resolved: vhostvdpa: fix the crash in unmap a large memory While testing in vIOMMU, sometimes Guest will unmap very large memory, which will cause the crash. To fix this, add a new function vhostvdpageneralunmap. This function will only...

CVE-2022-50851

Technical details about CVE-2022-50851 are not publicly provided in the supplied documents. Please monitor for updates from OSV/SUSE advisories.

CVE-2023-54215

CVE-2023-54215 affects the Linux kernel's virtio-vdpa subsystem. The vulnerability is a memory leak in cpumask handling within virtio_vdpa_find_vqs(), where a cpumask allocated by create_affinity_masks() was not freed on all paths. The fix ensures the allocated cpumask is freed before returning f...

CVE-2023-54215 virtio-vdpa: Fix cpumask memory leak in virtio_vdpa_find_vqs()

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtiovdpafindvqs Free the cpumask allocated by createaffinitymasks before returning from the function...

CVE-2023-54215

In the Linux kernel, the following vulnerability has been resolved: virtio-vdpa: Fix cpumask memory leak in virtiovdpafindvqs Free the cpumask allocated by createaffinitymasks before returning from the function...

Linux kernel 安全漏洞

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 cpumask memory leak in virtio-vdpa...

PT-2025-53991

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the vdpa/vp vdpa component. Specifically, the vp vdpa remove function incorrectly uses a pointer as an argument for the kfree function, potentiall...