CVE-2024-40956

HIGH EPSS 18.3%
Published Jul 12, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Jul 12, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list Use list_for_each_entry_safe() to allow iterating through the list and deleting the entry in the iteration process. The descriptor is freed via idxd_desc_complete() and there's a slight chance may cause issue for the list iterator when the descriptor is reused by another thread without it being deleted from the list.

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
18.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥5.11  –  <5.15.162
linuxlinux_kernel*≥5.16  –  <6.1.96
linuxlinux_kernel*≥6.2  –  <6.6.36
linuxlinux_kernel*≥6.7  –  <6.9.7
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any
linuxlinux_kernel6.10any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8
    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/1b08bf5a17c66ab7dbb628df5344da53c8e7ab33
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/83163667d881100a485b6c2daa30301b7f68d9b5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a14968921486793f2a956086895c3793761309dd
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e3215deca4520773cd2b155bed164c12365149a7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/faa35db78b058a2ab6e074ee283f69fa398c36a8
    Patch