Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-1223)

high Nessus Plugin ID 270560

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2025-1223 advisory.

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

mm/damon/sysfs: fix use-after-free in state_show() (CVE-2025-39877)

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

libceph: fix invalid accesses to ceph_connection_v1_info (CVE-2025-39880)

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

kernfs: Fix UAF in polling when open file is released (CVE-2025-39881)

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

mm/memory-failure: fix VM_BUG_ON_PAGE(PagePoisoned(page)) when unpoison memory (CVE-2025-39883)

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

netfilter: br_netfilter: do not check confirmed bit in br_nf_local_in() after confirm (CVE-2025-39894)

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

e1000e: fix heap overflow in e1000_set_eeprom (CVE-2025-39898)

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

mm/slub: avoid accessing metadata when pointer is invalid in object_err() (CVE-2025-39902)

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

mm/damon/lru_sort: avoid divide-by-zero in damon_lru_sort_apply_parameters() (CVE-2025-39909)

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

tcp_bpf: Call sk_msg_free() when tcp_bpf_send_verdict() fails to allocate psock->cork. (CVE-2025-39913)

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

tracing: Silence warning when chunk allocation fails in trace_pid_write (CVE-2025-39914)

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

mm/damon/reclaim: avoid divide-by-zero in damon_reclaim_apply_parameters() (CVE-2025-39916)

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

crypto: af_alg - Set merge to zero early in af_alg_sendmsg (CVE-2025-39931)

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

tls: make sure to abort the stream if headers are bogus (CVE-2025-39946)

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

cgroup: split cgroup_destroy_wq into 3 workqueues (CVE-2025-39953)

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

tcp: Clear tcp_sk(sk)->fastopen_rsk in tcp_disconnect(). (CVE-2025-39955)

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

crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg (CVE-2025-39964)

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

fbcon: fix integer overflow in fbcon_do_set_font (CVE-2025-39967)

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

futex: Prevent use-after-free during requeue-PI (CVE-2025-39977)

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

nexthop: Forbid FDB status change while nexthop is in a group (CVE-2025-39980)

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

tracing: dynevent: Add a missing lockdown check on dynevent (CVE-2025-40021)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Run 'dnf update kernel --releasever 2023.9.20251014' or or 'dnf update --advisory ALAS2023-2025-1223 --releasever 2023.9.20251014' to update your system.

Plugin Details

Severity: High

ID: 270560

File Name: al2023_ALAS2023-2025-1223.nasl

Version: 1.6

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 10/15/2025

Updated: 11/17/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:P/I:C/A:C

CVSS Score Source: CVE-2025-39881

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:kernel-libbpf, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:python3-perf, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-modules-extra-common, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:python3-perf-debuginfo, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:kernel-livepatch-6.1.155-176.282, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-modules-extra, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf-static, p-cpe:/a:amazon:linux:kernel-libbpf-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf-devel, p-cpe:/a:amazon:linux:kernel

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/14/2025

Vulnerability Publication Date: 1/19/2025

Reference Information

CVE: CVE-2025-39877, CVE-2025-39880, CVE-2025-39881, CVE-2025-39883, CVE-2025-39894, CVE-2025-39902, CVE-2025-39909, CVE-2025-39913, CVE-2025-39914, CVE-2025-39916, CVE-2025-39931, CVE-2025-39946, CVE-2025-39953, CVE-2025-39955, CVE-2025-39964, CVE-2025-39967, CVE-2025-39977, CVE-2025-39980, CVE-2025-40021

Detections

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