Linux Kernel up to 5.17.13/5.18.2 amt memory leak

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Linux Kernel up to 5.17.13/5.18.2. Affected is an unknown function of the component amt. The manipulation results in memory leak. This vulnerability is cataloged as CVE-2022-49461. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Linux Kernel up to 5.17.13/5.18.2. Affected is some unknown functionality of the component amt. The manipulation with an unknown input leads to a memory leak vulnerability. CWE is classifying the issue as CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is going to have an impact on availability. CVE summarizes:

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.

The advisory is available at git.kernel.org. This vulnerability is traded as CVE-2022-49461 since 02/26/2025. The exploitability is told to be easy. The technical details are unknown and an exploit is not available.

Upgrading to version 5.17.14 or 5.18.3 eliminates this vulnerability. Applying the patch 19bb2d57eac86a368839a92117d8a10ab7183623/e7322da399fb86a2072f008b56f7160afa1b2051/fe29794c3585d039fefebaa2b5a4932a627ad4fd is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory leak
CWE: CWE-401 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 5.17.14/5.18.3
Patch: 19bb2d57eac86a368839a92117d8a10ab7183623/e7322da399fb86a2072f008b56f7160afa1b2051/fe29794c3585d039fefebaa2b5a4932a627ad4fd

Timelineinfo

02/26/2025 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍
02/26/2025 +0 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2022-49461 (🔍)
GCVE (CVE): GCVE-0-2022-49461
GCVE (VulDB): GCVE-100-297054

Entryinfo

Created: 02/26/2025 10:03
Changes: 02/26/2025 10:03 (58)
Complete: 🔍
Cache ID: 216::103

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