QID 352328

Date Published: 2021-05-27

QID 352328: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2021-040

<DIV ID="issue_overview"> a flaw was found in the linux kernel.
A use-after-free memory flaw in the fast userspace mutexes functionality allowing a local user to crash the system or escalate their privileges on the system.
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
cve-2021-3347 ) </DIV>

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Allows unauthorized disclosure of information; allows unauthorized modification; allows disruption of service.

  • CVSS V3 rated as High - 7.8 severity.
  • CVSS V2 rated as High - 7.2 severity.
    • Solution
    Please refer to Amazon advisory: ALASLIVEPATCH-2021-040 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352328

    CVE-2021-3347 |
    Software Advisories
    Advisory ID Software Component Link
    ALASLIVEPATCH-2021-040 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2021-040.html
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