CVE-2024-56767

MEDIUM EPSS 11.5%
Published Jan 6, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jan 6, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.

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
11.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 7

VendorProductVersionRange
linuxlinux_kernel*≥4.2  –  <6.1.123
linuxlinux_kernel*≥6.2  –  <6.6.69
linuxlinux_kernel*≥6.7  –  <6.12.8
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any

References 9

  • git.kernel.org https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0
  • git.kernel.org https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303
  • git.kernel.org https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ed1a8aaa344522c0c349ac9042db27ad130ef913
  • git.kernel.org https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c43ec96e8d34399bd9dab2f2dc316b904892133f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e658f1c133b854b2ae799147301d82dddb8f3162
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fdba6d5e455388377ec7e82a5913ddfcc7edd93b
    Patch