CVE-2022-49621

MEDIUM EPSS 14.6%
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: cpufreq: pmac32-cpufreq: Fix refcount leak bug In pmac_cpufreq_init_MacRISC3(), we need to add corresponding of_node_put() for the three node pointers whose refcount have been incremented by of_find_node_by_name().

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
14.6% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 11

VendorProductVersionRange
linuxlinux_kernel* <4.9.324
linuxlinux_kernel*≥4.10  –  <4.14.289
linuxlinux_kernel*≥4.15  –  <4.19.253
linuxlinux_kernel*≥4.20  –  <5.4.207
linuxlinux_kernel*≥5.5  –  <5.10.132
linuxlinux_kernel*≥5.11  –  <5.15.56
linuxlinux_kernel*≥5.16  –  <5.18.13
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any
linuxlinux_kernel5.19any

References 8

  • git.kernel.org https://git.kernel.org/stable/c/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4513018d0bd739097570d26a7760551cba3deb56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4f242486bf46d314b2e3838cc64b56f008a3c4d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8dda30f81c751b01cd71f2cfaeef26ad4393b1d1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ccd7567d4b6cf187fdfa55f003a9e461ee629e36
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4513018d0bd739097570d26a7760551cba3deb56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/4f242486bf46d314b2e3838cc64b56f008a3c4d7
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/8dda30f81c751b01cd71f2cfaeef26ad4393b1d1
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/ccd7567d4b6cf187fdfa55f003a9e461ee629e36
    Patch