QID 353134

Date Published: 2022-02-01

QID 353134: Amazon Linux Security Advisory for kernel : ALAS2KERNEL-5.4-2022-017

A flaw was found in the linux kernel.
A local attacker, able to inject conntrack netlink configuration, could overflow a local buffer causing crashes or triggering the use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c.
The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability. (
( CVE-2020-25211)



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.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as High - 6 severity.
  • CVSS V2 rated as Medium - 3.6 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2KERNEL-5.4-2022-017 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353134

    CVE-2020-25211 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2KERNEL-5.4-2022-017 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALASKERNEL-5.4-2022-017.html
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