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CVE-2022-49461

amt: fix memory leak for advertisement message

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.

Timeline

  1. ID reserved

    By Linux

  2. Published

  3. · 15 months later

    Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2022-49461, by who scored it
Scored byCVSSScoreVector
CISA-ADPADP (enrichment)3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS (exploitation in 30 days)
0.26% · top 82% of all CVEs (11 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Affected products

  • Linux · Linux

    • affected cbc21dc1cfe949e37b2a54c71511579f1899e8d4 – < 19bb2d57eac86a368839a92117d8a10ab7183623
    • affected cbc21dc1cfe949e37b2a54c71511579f1899e8d4 – < e7322da399fb86a2072f008b56f7160afa1b2051
    • affected cbc21dc1cfe949e37b2a54c71511579f1899e8d4 – < fe29794c3585d039fefebaa2b5a4932a627ad4fd

  • Linux · Linux

    • affected 5.16
    • unaffected < 5.16
    • unaffected 5.17.14 – ≤ 5.17.*
    • unaffected 5.18.3 – ≤ 5.18.*
    • unaffected 5.19 – ≤ *

References

References3

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .