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CVE-2022-49461

amt: fix memory leak for advertisement message

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:13 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: amt: fix memory leak for advertisement message When a gateway receives an advertisement message, it extracts relay information and then it should be freed. But the advertisement handler doesn't free it. So, memory leak would occur.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
5.16 ≤ v < 5.17.145.16 ≤ v < 5.18.35.16 ≤ v < 5.195.18 ≤ v < 5.18.35.16cbc21dc1cfe949e37b2a54c71511579f1899e8d4
Vendor states this is fixed in 19bb2d57eac86a368839a92117d8a10ab7183623 (fixed)
Vendor states this is fixed in e7322da399fb86a2072f008b56f7160afa1b2051 (fixed)
Vendor states this is fixed in fe29794c3585d039fefebaa2b5a4932a627ad4fd (fixed)
Vendor states this is fixed in 5.16 (unaffected)
Vendor states this is fixed in 5.17.14 (unaffected)
Vendor states this is fixed in 5.18.3 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/19bb2d57eac86a368839a92117d8a10ab7183623
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e7322da399fb86a2072f008b56f7160afa1b2051
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/fe29794c3585d039fefebaa2b5a4932a627ad4fd

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-401

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