QID 353216

Date Published: 2022-04-20

QID 353216: Amazon Linux Security Advisory for kernel : ALAS2-2022-1774

A buffer overflow flaw was found in the linux kernel's nfc protocol functionality.
This flaw allows a local user to crash or escalate their privileges on the system. (
( CVE-2022-26490) a heap buffer overflow flaw was found in ipsec esp transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c.
This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat. (
( CVE-2022-27666) in the linux kernel before 5.17.1, a refcount leak bug was found in net/llc/af_llc.c. (
( CVE-2022-28356)



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 - 7.8 severity.
  • CVSS V2 rated as Medium - 4.6 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2022-1774 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 353216

    CVE-2022-26490 | CVE-2022-28356 | CVE-2022-27666 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2022-1774 Amazon Linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2022-1774.html
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