QID 352342

Date Published: 2021-05-27

QID 352342: Amazon Linux Security Advisory for kernel-livepatch: ALAS2LIVEPATCH-2020-026

<DIV ID="issue_overview"> an issue has been reported in the linux kernel's handling of raw sockets.
This issue can be used locally to cause denial of service or local privilege escalation from unprivileged processes or from containers with the cap_net_raw capability enabled. see also: https://marc.info/?l=linux-netdev&m=159915549623724&w=2 https://www.openwall.com/lists/oss-security/2020/09/03/3 https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-14386 (cve-2020-14386 ) an issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the linux kernel through 5.6.10.
Attackers may trigger a sync of excessive duration via an xfs v5 image with crafted metadata, aka cid-d0c7feaf8767. (
cve-2020-12655 ) </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-2020-026 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 352342

    CVE-2020-14386 | CVE-2020-12655 |
    Software Advisories
    Advisory ID Software Component Link
    ALASLIVEPATCH-2020-026 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2020-026.html
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