CVE-2024-41077

MEDIUM EPSS 13.1%
Published Jul 29, 20241y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 29, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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]

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
13.1% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel* <5.10.223
linuxlinux_kernel*≥5.11  –  <5.15.164
linuxlinux_kernel*≥5.16  –  <6.1.101
linuxlinux_kernel*≥6.2  –  <6.6.42
linuxlinux_kernel*≥6.7  –  <6.9.11
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any

References 7

  • git.kernel.org https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/08f03186b96e25e3154916a2e70732557c770ea7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2772ed2fc075eef7df3789906fc9dae01e4e132e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9625afe1dd4a158a14bb50f81af9e2dac634c0b1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9b873bdaae64bddade9d8c6df23c8a31948d47d0
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c462ecd659b5fce731f1d592285832fd6ad54053
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f92409a9da02f27d05d713bff5f865e386cef9b3
    Patch