CVE-2022-49795

rethook: fix a potential memleak in rethook_alloc()

Severity Score

7.1

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the Linux kernel, the following vulnerability has been resolved: rethook: fix a potential memleak in rethook_alloc() In rethook_alloc(), the variable rh is not freed or passed out
if handler is NULL, which could lead to a memleak, fix it. [Masami: Add "rethook:" tag to the title.] Acke-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

In the Linux kernel, the following vulnerability has been resolved: rethook: fix a potential memleak in rethook_alloc() In rethook_alloc(), the variable rh is not freed or passed out if handler is NULL, which could lead to a memleak, fix it. [Masami: Add "rethook:" tag to the title.] Acke-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2025-05-01 CVE Reserved
2025-05-01 CVE Published
2025-05-01 CVE Updated
---------- EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (3)

URL	Tag	Source
https://git.kernel.org/stable/c/54ecbe6f1ed5138c895bdff55608cf502755b20e	Vuln. Introduced

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/cbc5d1f9a8cc40ba2bc6779b36d2ea1f65bc027c	2022-11-26
https://git.kernel.org/stable/c/0a1ebe35cb3b7aa1f4b26b37e2a0b9ae68dc4ffb	2022-11-18

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"				>= 5.18 < 6.0.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.0.10"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				>= 5.18 < 6.1 Search vendor "Linux" for product "Linux Kernel" and version " >= 5.18 < 6.1"		en		Affected