Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the improper acquisition and release of the reservation locks for GEM objects before and after vm...

CVE-2026-23149

Summary: CVE-2026-23149 affects the Linux kernel DRM subsystem, specifically drm_gem_change_handle_ioctl(). The vulnerability arises because GEM buffer object handles are u32 in the user API while internal idr_alloc() uses int ranges, causing a kernel warning (WARN_ON_ONCE) when a handle larger t...

CVE-2023-54254 drm/ttm: Don't leak a resource on eviction error

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Don't leak a resource on eviction error On eviction errors other than -EMULTIHOP we were leaking a resource. Fix. v2: - Avoid yet another goto Andi Shyti...

CVE-2023-53844 drm/ttm: Don't leak a resource on swapout move error

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: Don't leak a resource on swapout move error If moving the bo to system for swapout failed, we were leaking a resource. Fix...

kernel: drm/gem: Acquire references on GEM handles for framebuffers

In the Linux kernel, the following vulnerability has been resolved: drm/gem: Acquire references on GEM handles for framebuffers A GEM handle can be released while the GEM buffer object is attached to a DRM framebuffer. This leads to the release of the dma-buf backing the buffer object, if any. 1...

CVE-2023-53352 drm/ttm: check null pointer before accessing when swapping

In the Linux kernel, the following vulnerability has been resolved: drm/ttm: check null pointer before accessing when swapping Add a check to avoid null pointer dereference as below: 90.002283 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 PREEMPT SMP KASA...

Linux Distros Unpatched Vulnerability : CVE-2025-38669

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Revert drm/gem-shmem: Use dmabuf from GEM object instance This reverts commit 1a148af06000e545e714fe3210af3d77ff903c11. The dmabuf field in struct drmgemobject ...

Ubuntu: Security Advisory (USN-5500-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

USN-5513-1: Linux kernel (AWS) vulnerabilities

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. CVE-2021-3609 Likang Luo discovered that a race condition existed in the Bluetoo...

USN-5505-1: Linux kernel vulnerabilities

Norbert Slusarek discovered a race condition in the CAN BCM networking protocol of the Linux kernel leading to multiple use-after-free vulnerabilities. A local attacker could use this issue to execute arbitrary code. CVE-2021-3609 Likang Luo discovered that a race condition existed in the Bluetoo...