ALAS-2025-2790


Amazon Linux 2 Security Advisory: ALAS-2025-2790
Advisory Release Date: 2025-03-07 23:16 Pacific
Advisory Updated Date: 2025-03-10 23:16 Pacific
Severity: Important

Issue Overview:

An out-of-bounds write flaw was found in the Linux kernel’s framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUT_VSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system. (CVE-2021-33655)

A memory access flaw was found in the Linux kernel's XEN hypervisor for the virtual machine. This flaw allows a local user to crash the system or potentially escalate their privileges on the system. (CVE-2022-36123)

An issue was discovered in the Linux kernel through 5.18.14. xfrm_expand_policies in net/xfrm/xfrm_policy.c can cause a refcount to be dropped twice. (CVE-2022-36879)

In the Linux kernel, the following vulnerability has been resolved:

mm/mempolicy: fix uninit-value in mpol_rebind_policy() (CVE-2022-49567)

In the Linux kernel, the following vulnerability has been resolved:

igmp: Fix data-races around sysctl_igmp_llm_reports. (CVE-2022-49590)

In the Linux kernel, the following vulnerability has been resolved:

tcp: Fix a data-race around sysctl_tcp_probe_threshold. (CVE-2022-49595)

In the Linux kernel, the following vulnerability has been resolved:

icmp: Fix data-races around sysctl. (CVE-2022-49638)

In the Linux kernel, the following vulnerability has been resolved:

cgroup: Use separate src/dst nodes when preloading css_sets for migration (CVE-2022-49647)

In the Linux kernel, the following vulnerability has been resolved:

usbnet: fix memory leak in error case (CVE-2022-49657)

In the Linux kernel, the following vulnerability has been resolved:

mm/slub: add missing TID updates on slab deactivation (CVE-2022-49700)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update kernel to update your system.

New Packages:
aarch64:
    kernel-4.14.290-217.505.amzn2.aarch64
    kernel-headers-4.14.290-217.505.amzn2.aarch64
    kernel-debuginfo-common-aarch64-4.14.290-217.505.amzn2.aarch64
    perf-4.14.290-217.505.amzn2.aarch64
    perf-debuginfo-4.14.290-217.505.amzn2.aarch64
    python-perf-4.14.290-217.505.amzn2.aarch64
    python-perf-debuginfo-4.14.290-217.505.amzn2.aarch64
    kernel-tools-4.14.290-217.505.amzn2.aarch64
    kernel-tools-devel-4.14.290-217.505.amzn2.aarch64
    kernel-tools-debuginfo-4.14.290-217.505.amzn2.aarch64
    kernel-devel-4.14.290-217.505.amzn2.aarch64
    kernel-debuginfo-4.14.290-217.505.amzn2.aarch64

i686:
    kernel-headers-4.14.290-217.505.amzn2.i686

src:
    kernel-4.14.290-217.505.amzn2.src

x86_64:
    kernel-4.14.290-217.505.amzn2.x86_64
    kernel-headers-4.14.290-217.505.amzn2.x86_64
    kernel-debuginfo-common-x86_64-4.14.290-217.505.amzn2.x86_64
    perf-4.14.290-217.505.amzn2.x86_64
    perf-debuginfo-4.14.290-217.505.amzn2.x86_64
    python-perf-4.14.290-217.505.amzn2.x86_64
    python-perf-debuginfo-4.14.290-217.505.amzn2.x86_64
    kernel-tools-4.14.290-217.505.amzn2.x86_64
    kernel-tools-devel-4.14.290-217.505.amzn2.x86_64
    kernel-tools-debuginfo-4.14.290-217.505.amzn2.x86_64
    kernel-devel-4.14.290-217.505.amzn2.x86_64
    kernel-debuginfo-4.14.290-217.505.amzn2.x86_64
    kernel-livepatch-4.14.290-217.505-1.0-0.amzn2.x86_64