CVE-2024-39497 drm/shmem-helper: Fix BUG_ON() on mmap(PROT_WRITE, MAP_PRIVATE)

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Fix BUGON on mmapPROTWRITE, MAPPRIVATE Lack of check for copy-on-write COW mapping in drmgemshmemmmap allows users to call mmap with PROTWRITE and MAPPRIVATE flag causing a kernel panic due to BUGON in...

CVE-2024-39497

CVE-2024-39497: In the Linux kernel, drm/shmem-helper fix for a BUG_ON() triggered by mmap(PROT_WRITE, MAP_PRIVATE) in drm_gem_shmem_mmap. The issue arose from a missing check for copy-on-write (COW) mappings, which could lead to a kernel panic at vmf_insert_pfn_prot when a VMA has VM_PFNMAP 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 lack of checking of copy-on-write COW mappings when processing writes by the drm/shmem-helper component,...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb CVE-2022-50021 In the Linux kernel, the following vulnerability has been resolved: block, bfq: fix possible uaf for 'bfqq-bic' CVE-2022-50488 In the...

kernel: drm/shmem-helper: Remove another errant put in error path

In the Linux kernel, the following vulnerability has been resolved: drm/shmem-helper: Remove another errant put in error path drmgemshmemmmap doesn't own reference in error code path, resulting in the dma-buf shmem GEM object getting prematurely freed leading to a later use-after-free...

GSD-2023-1000280 drm/shmem-helper: Remove errant put in error path

drm/shmem-helper: Remove errant put in error path 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 v5.4.227 by commit...

GSD-2023-1000141 drm/shmem-helper: Remove errant put in error path

drm/shmem-helper: Remove errant put in error path 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 v5.15.83 by commit...

GSD-2023-1000042 drm/shmem-helper: Remove errant put in error path

drm/shmem-helper: Remove errant put in error path 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 v6.0.13 by commit...

PT-2023-33218 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.83 Description: The issue is related to an errant put in the error path of the drm/shmem-helper. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versio...

PT-2023-33357 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.227 Description: The issue is related to an errant put in the error path of the drm/shmem-helper. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versio...