ALAS2LIVEPATCH-2023-131

Related Vulnerabilities: CVE-2023-28466  

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference). (CVE-2023-28466)

ALAS2LIVEPATCH-2023-131


Amazon Linux 2 Security Advisory: ALASLIVEPATCH-2023-131
Advisory Release Date: 2023-06-21 19:12 Pacific
Advisory Updated Date: 2023-06-29 18:07 Pacific
Severity: Important

Issue Overview:

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference). (CVE-2023-28466)


Affected Packages:

kernel-livepatch-5.10.176-157.645


Issue Correction:
Please ensure you have live patching enabled.
Run yum update kernel-livepatch-5.10.176-157.645 to update your system.

New Packages:
aarch64:
    kernel-livepatch-5.10.176-157.645-1.0-2.amzn2.aarch64
    kernel-livepatch-5.10.176-157.645-debuginfo-1.0-2.amzn2.aarch64

src:
    kernel-livepatch-5.10.176-157.645-1.0-2.amzn2.src

x86_64:
    kernel-livepatch-5.10.176-157.645-1.0-2.amzn2.x86_64
    kernel-livepatch-5.10.176-157.645-debuginfo-1.0-2.amzn2.x86_64