CVE-2022-49538

MEDIUM EPSS 16.3%
Published Feb 26, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: jack: Access input_dev under mutex It is possible when using ASoC that input_dev is unregistered while calling snd_jack_report, which causes NULL pointer dereference. In order to prevent this serialize access to input_dev using mutex lock.

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
16.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel* <4.9.318
linuxlinux_kernel*≥4.10  –  <4.14.283
linuxlinux_kernel*≥4.15  –  <4.19.247
linuxlinux_kernel*≥4.20  –  <5.4.198
linuxlinux_kernel*≥5.5  –  <5.10.121
linuxlinux_kernel*≥5.11  –  <5.15.46
linuxlinux_kernel*≥5.16  –  <5.17.14
linuxlinux_kernel*≥5.18  –  <5.18.3

References 9

  • git.kernel.org https://git.kernel.org/stable/c/1b6a6fc5280e97559287b61eade2d4b363e836f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/582aea6084cc59fec881204f026816d1219f2348
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5cc6f623f4818c7d7e9e966a45ebf324901ca9c5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/74bab3bcf422593c582e47130aa8eb41ebb2dc09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8487a88136d54a1a4d3f26f1399685db648ab879
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9e6a73b0c0f2014eb89249fb1640c5a3d58221c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c093b62c40027c21d649c5534ad7aa3605a99b00
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e2b8681769f6e205382f026b907d28aa5ec9d59a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f68bed124c7699e23ffb4ce4fcc84671e9193cde
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1b6a6fc5280e97559287b61eade2d4b363e836f2
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/582aea6084cc59fec881204f026816d1219f2348
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5cc6f623f4818c7d7e9e966a45ebf324901ca9c5
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/74bab3bcf422593c582e47130aa8eb41ebb2dc09
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8487a88136d54a1a4d3f26f1399685db648ab879
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9e6a73b0c0f2014eb89249fb1640c5a3d58221c4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c093b62c40027c21d649c5534ad7aa3605a99b00
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e2b8681769f6e205382f026b907d28aa5ec9d59a
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f68bed124c7699e23ffb4ce4fcc84671e9193cde
    Patch