QID 352355

Date Published: 2021-05-27

QID 352355: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2020-013

<DIV ID="issue_overview"> an issue was discovered in the linux kernel before 5.6.5.
There is a use-after-free in block/bfq-iosched.c related to bfq_idle_slice_timer_body.(cve-2020-12657 ) </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 Medium - 4.6 severity.
    • Solution
    Please refer to Amazon advisory: ALASLIVEPATCH-2020-013 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352355

    CVE-2020-12657 |
    Software Advisories
    Advisory ID Software Component Link
    ALASLIVEPATCH-2020-013 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2020-013.html
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