CVE-2024-41077

MEDIUM

Linux Kernel - Null Pointer Dereference in null_blk Block Size Validation

Title source: llm
STIX 2.1

Description

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]

References (7)

Core 7

Scores

CVSS v3 5.5
EPSS 0.0022
EPSS Percentile 13.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-476
Status published
Products (21)
linux/Kernel 4.14.0 - 5.10.223linux
linux/Kernel 5.11.0 - 5.15.164linux
linux/Kernel 5.16.0 - 6.1.101linux
linux/Kernel 6.2.0 - 6.6.42linux
linux/Kernel 6.7.0 - 6.9.11linux
Linux/Linux < 4.14
Linux/Linux 4.14
Linux/Linux 5.10.223 - 5.10.*
Linux/Linux 5.15.164 - 5.15.*
Linux/Linux 6.1.101 - 6.1.*
... and 11 more
Published Jul 29, 2024
Tracked Since Feb 18, 2026