CVE-2022-48863

MEDIUM EPSS 15.9%
Published Jul 16, 20241y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jul 16, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: mISDN: Fix memory leak in dsp_pipeline_build() dsp_pipeline_build() allocates dup pointer by kstrdup(cfg), but then it updates dup variable by strsep(&dup, "|"). As a result when it calls kfree(dup), the dup variable contains NULL. Found by Linux Driver Verification project (linuxtesting.org) with SVACE.

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
15.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-401

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥2.6.27  –  <5.10.106
linuxlinux_kernel*≥5.11  –  <5.15.29
linuxlinux_kernel*≥5.16  –  <5.16.15

References 4

  • git.kernel.org https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/640445d6fc059d4514ffea79eb4196299e0e2d0f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7777b1f795af1bb43867375d8a776080111aae1b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a3d5fcc6cf2ecbba5a269631092570aa285a24cb
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c6a502c2299941c8326d029cfc8a3bc8a4607ad5
    Patch