QID 355860

QID 355860: Amazon Linux Security Advisory for kernel-livepatch : ALAS2LIVEPATCH-2023-134

A heap out-of-bounds write vulnerability in the linux kernel ipvlan network driver can be exploited to achieve local privilege escalation. the out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver.
The vulnerability is reachable if config_ipvlan is enabled. we recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e. (
( CVE-2023-3090)



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 - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2LIVEPATCH-2023-134 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355860

    CVE-2023-3090 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2LIVEPATCH-2023-134 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALASLIVEPATCH-2023-134.html
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