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 not ensuring that a vmapblock is initialized before adding it to a queue...

SUSE CVE-2024-45022

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fix page mapping if vmareaallocpages with high order fallback to order 0 The vmappagesrangenoflush assumes its argument pages contains pages with the same page shift. However, since commit e9c3cda4d86e "mm, vmalloc: f...

UBUNTU-CVE-2024-45022

In the Linux kernel, the following vulnerability has been resolved: mm/vmalloc: fix page mapping if vmareaallocpages with high order fallback to order 0 The vmappagesrangenoflush assumes its argument pages contains pages with the same page shift. However, since commit e9c3cda4d86e "mm, vmalloc: f...

SUSE CVE-2024-42275

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix error code in drmclientbuffervmaplocal This function accidentally returns zero/success on the failure path. It leads to locking issues and an uninitialized mapcopy in the caller...

DEBIAN-CVE-2024-42275

In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix error code in drmclientbuffervmaplocal This function accidentally returns zero/success on the failure path. It leads to locking issues and an uninitialized mapcopy in the caller...

PT-2024-29826 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the drm client buffer vmap local function, which accidentally returns zero or success on the failure path. This leads to locking issues and an uninitialized map...

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 incorrectly returning zero or success on the failure path in the drmclientbuffervmaplocal function, leading ...

PT-2024-32245 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the initialization of the vmap block structure in the Linux kernel. When a new vmap block is being instantiated by new vmap block, the partially initialized...

CVE-2022-48714

In the Linux kernel, the following vulnerability has been resolved: bpf: Use VMMAP instead of VMALLOC for ringbuf After commit 2fd3fb0be1d1 "kasan, vmalloc: unpoison VMALLOC pages after mapping", non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enabled. But now the...

CVE-2022-48714 bpf: Use VM_MAP instead of VM_ALLOC for ringbuf

In the Linux kernel, the following vulnerability has been resolved: bpf: Use VMMAP instead of VMALLOC for ringbuf After commit 2fd3fb0be1d1 "kasan, vmalloc: unpoison VMALLOC pages after mapping", non-VMALLOC mappings will be marked as accessible in getvmareanode when KASAN is enabled. But now the...

CVE-2022-48714

Summary of CVE-2022-48714 : The Linux kernel vulnerability arises in the ringbuffer mapping used by BPF. The root cause is a Kasan-related mislabeling where mappings created from allocated pages were treated as VM_ALLOC, triggering out-of-bounds reports after vmap() when KASAN is enabled. The fix...

SUSE CVE-2023-52761

In the Linux kernel, the following vulnerability has been resolved: riscv: VMAPSTACK overflow detection thread-safe commit 31da94c25aea "riscv: add VMAPSTACK overflow detection" added support for CONFIGVMAPSTACK. If overflow is detected, CPU switches to shadowstack temporarily before switching...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

DEBIAN-CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

UBUNTU-CVE-2021-47567

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...

CVE-2021-47567

CVE-2021-47567 describes a Linux kernel vulnerability in the powerpc/32 code where a vmap stack overflow could lead to a hard lockup when the data MMU is not active. The root cause is that emergency_ctx was accessed with a virtual address during MMU inactivity; the fix uses a physical address ins...

CVE-2021-47567 powerpc/32: Fix hardlockup on vmap stack overflow

In the Linux kernel, the following vulnerability has been resolved: powerpc/32: Fix hardlockup on vmap stack overflow Since the commit c118c7303ad5 "powerpc/32: Fix vmap stack - Do not activate MMU before reading task struct" a vmap stack overflow results in a hard lockup. This is because...