CVE-2022-49438

MEDIUM EPSS 16.5%
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: Input: sparcspkr - fix refcount leak in bbc_beep_probe of_find_node_by_path() calls of_find_node_opts_by_path(), which returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

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
16.5% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 8

VendorProductVersionRange
linuxlinux_kernel*≥2.6.26  –  <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/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f13064b0f2c651a3fbb0749932795c6fd21556a8
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1124e39fea0e2fdb4202f95b716cb97cc7de7cc7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2f51db16cb740ff90086189a1ef2581eab665591
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/353bc58ac6c782d4dcde9136a91d1f90867938fe
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/418b6a3e12f75638abc5673eb76cb32127d0ab13
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/6e07ccc7d56130f760d23f67a70c45366c07debc
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/73d6f42d8d86648bec2e73d34fe1648cb6d23e08
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bbc2b0ce6042dd3117827f10ea8cb67e0ab786da
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c8994b30d71d64d5dcc9bc0edbfdf367171aa96f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f13064b0f2c651a3fbb0749932795c6fd21556a8
    Patch