CVE-2022-49682

xtensa: Fix refcount leak bug in time.c

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

MITRE
TN

In the Linux kernel, the following vulnerability has been resolved: xtensa: Fix refcount leak bug in time.c In calibrate_ccount(), of_find_compatible_node() will return a node
pointer with refcount incremented. We should use of_node_put() when
it is not used anymore.

In the Linux kernel, the following vulnerability has been resolved: xtensa: Fix refcount leak bug in time.c In calibrate_ccount(), of_find_compatible_node() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.

*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:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2025-02-26 CVE Reserved
2025-02-26 CVE Published
2025-10-01 CVE Updated
2025-10-28 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/3e5eb904d9ba657308fc75a5de434b0e58dcb8d7	2022-07-02
https://git.kernel.org/stable/c/7de4502af68f4f3932f450157f5483eb7b33cb74	2022-07-02
https://git.kernel.org/stable/c/f1eaf4ba5372ad111f687a80c67e270708e14c23	2022-07-02
https://git.kernel.org/stable/c/e5234a9d64a976abd134a14710dcd5188158a7c5	2022-06-29
https://git.kernel.org/stable/c/af0ff2da01521144bc11194f4c26485d7c9cee73	2022-06-29
https://git.kernel.org/stable/c/0dcc1dd8a5dd9240639f1051dfaa2dffc9fbbde5	2022-06-29
https://git.kernel.org/stable/c/0e403a383c14b63c86bd9df085b7e573e9caee64	2022-06-29
https://git.kernel.org/stable/c/a0117dc956429f2ede17b323046e1968d1849150	2022-06-18

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"				< 4.9.321 Search vendor "Linux" for product "Linux Kernel" and version " < 4.9.321"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.14.286 Search vendor "Linux" for product "Linux Kernel" and version " < 4.14.286"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 4.19.250 Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.250"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.4.202 Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.202"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.10.127 Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.127"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.15.51 Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.51"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 5.18.8 Search vendor "Linux" for product "Linux Kernel" and version " < 5.18.8"		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