CVE-2022-49621

cpufreq: pmac32-cpufreq: Fix refcount leak bug

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

MITRE
TN

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().

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().

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-02-26 CVE Reserved
2025-02-26 CVE Published
2025-02-26 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (8)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/4f242486bf46d314b2e3838cc64b56f008a3c4d7	2022-07-21
https://git.kernel.org/stable/c/37c16fc2cb13a13f3c0193bfc6f2edef7d7df7d7	2022-07-21
https://git.kernel.org/stable/c/4585890ab2dbf455d80e254d3d859d4c1e357920	2022-07-21
https://git.kernel.org/stable/c/8dda30f81c751b01cd71f2cfaeef26ad4393b1d1	2022-07-21
https://git.kernel.org/stable/c/3ea9dbf7c2f436952bca331c6f5d72f75aca224e	2022-07-21
https://git.kernel.org/stable/c/57289b6601fe78c09921599b042a0b430fb420ec	2022-07-21
https://git.kernel.org/stable/c/4513018d0bd739097570d26a7760551cba3deb56	2022-07-22
https://git.kernel.org/stable/c/ccd7567d4b6cf187fdfa55f003a9e461ee629e36	2022-06-28

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.9.324 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.324"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.14.289 Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.289"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.253 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.253"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.207 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.207"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.132 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.132"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.56 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.56"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.18.13 Search vendor "Linux" for product "Linux Kernel" and version " < 5.18.13"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.19 Search vendor "Linux" for product "Linux Kernel" and version " < 5.19"		en		Affected