Amazon Linux 1 (EOL) Security Advisory: ALAS-2025-1975
Advisory Released Date: 2025-04-29
Advisory Updated Date: 2025-05-21
Severity:
Important
References:
CVE-2023-3567
CVE-2023-52845
CVE-2023-52973
FAQs regarding Amazon Linux ALAS/CVE Severity
FAQs regarding Amazon Linux ALAS/CVE Severity
Issue Overview:
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. In this flaw an attacker with local user access may lead to a system crash or a leak of internal kernel information. (CVE-2023-3567)
In the Linux kernel, the following vulnerability has been resolved:
tipc: Change nla_policy for bearer-related names to NLA_NUL_STRING (CVE-2023-52845)
In the Linux kernel, the following vulnerability has been resolved:
vc_screen: move load of struct vc_data pointer in vcs_read() to avoid UAF (CVE-2023-52973)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-debuginfo-common-i686-4.14.330-176.540.amzn1.i686
kernel-4.14.330-176.540.amzn1.i686
kernel-tools-devel-4.14.330-176.540.amzn1.i686
kernel-tools-debuginfo-4.14.330-176.540.amzn1.i686
perf-debuginfo-4.14.330-176.540.amzn1.i686
kernel-debuginfo-4.14.330-176.540.amzn1.i686
perf-4.14.330-176.540.amzn1.i686
kernel-headers-4.14.330-176.540.amzn1.i686
kernel-devel-4.14.330-176.540.amzn1.i686
kernel-tools-4.14.330-176.540.amzn1.i686
src:
kernel-4.14.330-176.540.amzn1.src
x86_64:
kernel-devel-4.14.330-176.540.amzn1.x86_64
kernel-tools-devel-4.14.330-176.540.amzn1.x86_64
kernel-4.14.330-176.540.amzn1.x86_64
kernel-tools-debuginfo-4.14.330-176.540.amzn1.x86_64
perf-debuginfo-4.14.330-176.540.amzn1.x86_64
kernel-headers-4.14.330-176.540.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.330-176.540.amzn1.x86_64
kernel-tools-4.14.330-176.540.amzn1.x86_64
kernel-debuginfo-4.14.330-176.540.amzn1.x86_64
perf-4.14.330-176.540.amzn1.x86_64
Changelog:
2025-05-21: CVE-2023-3567 was added to this advisory.
2025-05-21: CVE-2023-52845 was added to this advisory.