Vulnerabilities > CVE-2024-41077 - NULL Pointer Dereference vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
- https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
- https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
- https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
- https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
- https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
- https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
- https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
- https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
- https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
- https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
- https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3