ALAS2KERNEL-5.4-2025-102

Amazon Linux 2 Security Advisory: ALAS2KERNEL-5.4-2025-102
Advisory Released Date: 2025-05-29
Advisory Updated Date: 2025-07-03
Severity: Important
Issue Overview:

2025-07-03: CVE-2025-23150 was added to this advisory.

2025-06-27: CVE-2025-37940 was added to this advisory.

2025-06-19: CVE-2025-37785 was added to this advisory.

2025-06-19: CVE-2025-37773 was added to this advisory.

2025-06-19: CVE-2025-23147 was added to this advisory.

2025-06-19: CVE-2025-23163 was added to this advisory.

2025-06-19: CVE-2021-47352 was added to this advisory.

2025-06-19: CVE-2025-37757 was added to this advisory.

2025-06-19: CVE-2025-37797 was added to this advisory.

2025-06-19: CVE-2025-37789 was added to this advisory.

2025-06-19: CVE-2025-37780 was added to this advisory.

2025-06-19: CVE-2024-26744 was added to this advisory.

2025-06-19: CVE-2025-37738 was added to this advisory.

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

virtio-net: Add validation for used length (CVE-2021-47352)

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

RDMA/srpt: Support specifying the srpt_service_guid parameter (CVE-2024-26744)

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

nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() (CVE-2025-21927)

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

i3c: Add NULL pointer check in i3c_master_queue_ibi() (CVE-2025-23147)

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

ext4: fix off-by-one error in do_split (CVE-2025-23150)

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

net: vlan: don't propagate flags on open (CVE-2025-23163)

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

ext4: ignore xattrs past end (CVE-2025-37738)

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

tipc: fix memory leak in tipc_link_xmit (CVE-2025-37757)

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

virtiofs: add filesystem context source name check (CVE-2025-37773)

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

isofs: Prevent the use of too small fid (CVE-2025-37780)

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

ext4: fix OOB read when checking dotdot dir (CVE-2025-37785)

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

net: openvswitch: fix nested key length validation in the set() action (CVE-2025-37789)

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

net_sched: hfsc: Fix a UAF vulnerability in class handling (CVE-2025-37797)

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

ftrace: Add cond_resched() to ftrace_graph_set_hash() (CVE-2025-37940)


Affected Packages:

kernel


Note:

This advisory is applicable to Amazon Linux 2 - Kernel-5.4 Extra. Visit this page to learn more about Amazon Linux 2 (AL2) Extras and this FAQ section for the difference between AL2 Core and AL2 Extras advisories.


Issue Correction:
Run yum update kernel to update your system.
System reboot is required in order to complete this update.

New Packages:
aarch64:
    kernel-5.4.293-211.419.amzn2.aarch64
    kernel-headers-5.4.293-211.419.amzn2.aarch64
    kernel-debuginfo-common-aarch64-5.4.293-211.419.amzn2.aarch64
    perf-5.4.293-211.419.amzn2.aarch64
    perf-debuginfo-5.4.293-211.419.amzn2.aarch64
    python-perf-5.4.293-211.419.amzn2.aarch64
    python-perf-debuginfo-5.4.293-211.419.amzn2.aarch64
    kernel-tools-5.4.293-211.419.amzn2.aarch64
    kernel-tools-devel-5.4.293-211.419.amzn2.aarch64
    kernel-tools-debuginfo-5.4.293-211.419.amzn2.aarch64
    bpftool-5.4.293-211.419.amzn2.aarch64
    bpftool-debuginfo-5.4.293-211.419.amzn2.aarch64
    kernel-devel-5.4.293-211.419.amzn2.aarch64
    kernel-debuginfo-5.4.293-211.419.amzn2.aarch64

i686:
    kernel-headers-5.4.293-211.419.amzn2.i686

src:
    kernel-5.4.293-211.419.amzn2.src

x86_64:
    kernel-5.4.293-211.419.amzn2.x86_64
    kernel-headers-5.4.293-211.419.amzn2.x86_64
    kernel-debuginfo-common-x86_64-5.4.293-211.419.amzn2.x86_64
    perf-5.4.293-211.419.amzn2.x86_64
    perf-debuginfo-5.4.293-211.419.amzn2.x86_64
    python-perf-5.4.293-211.419.amzn2.x86_64
    python-perf-debuginfo-5.4.293-211.419.amzn2.x86_64
    kernel-tools-5.4.293-211.419.amzn2.x86_64
    kernel-tools-devel-5.4.293-211.419.amzn2.x86_64
    kernel-tools-debuginfo-5.4.293-211.419.amzn2.x86_64
    bpftool-5.4.293-211.419.amzn2.x86_64
    bpftool-debuginfo-5.4.293-211.419.amzn2.x86_64
    kernel-devel-5.4.293-211.419.amzn2.x86_64
    kernel-debuginfo-5.4.293-211.419.amzn2.x86_64

Changelog:

2025-07-03: CVE-2025-23150 was added to this advisory.

2025-06-27: CVE-2025-37940 was added to this advisory.

2025-06-19: CVE-2025-37785 was added to this advisory.

2025-06-19: CVE-2025-37773 was added to this advisory.

2025-06-19: CVE-2025-23147 was added to this advisory.

2025-06-19: CVE-2025-23163 was added to this advisory.

2025-06-19: CVE-2021-47352 was added to this advisory.

2025-06-19: CVE-2025-37757 was added to this advisory.

2025-06-19: CVE-2025-37797 was added to this advisory.

2025-06-19: CVE-2025-37789 was added to this advisory.

2025-06-19: CVE-2025-37780 was added to this advisory.

2025-06-19: CVE-2024-26744 was added to this advisory.

2025-06-19: CVE-2025-37738 was added to this advisory.

Additional References

Release Notes:  Amazon Linux 2 Release Notes

Red Hat: CVE-2021-47352, CVE-2024-26744, CVE-2025-21927, CVE-2025-23147, CVE-2025-23150, CVE-2025-23163, CVE-2025-37738, CVE-2025-37757, CVE-2025-37773, CVE-2025-37780, CVE-2025-37785, CVE-2025-37789, CVE-2025-37797, CVE-2025-37940

Mitre: CVE-2021-47352, CVE-2024-26744, CVE-2025-21927, CVE-2025-23147, CVE-2025-23150, CVE-2025-23163, CVE-2025-37738, CVE-2025-37757, CVE-2025-37773, CVE-2025-37780, CVE-2025-37785, CVE-2025-37789, CVE-2025-37797, CVE-2025-37940