Detections
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Amazon Linux 2023 : bpftool, kernel, kernel-devel (ALAS2023-2025-855)
high Nessus Plugin ID 216795
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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 ALAS2023-2025-855 advisory.In the Linux kernel, the following vulnerability has been resolved:
block: fix integer overflow in BLKSECDISCARD (CVE-2024-49994)
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix access to uninitialised lock in fc replay path (CVE-2024-50014)
In the Linux kernel, the following vulnerability has been resolved:
smb: client: fix UAF in async decryption (CVE-2024-50047)
In the Linux kernel, the following vulnerability has been resolved:
ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find() (CVE-2024-50304)
In the Linux kernel, the following vulnerability has been resolved:
ipv6: Fix soft lockups in fib6_select_path under high next hop churn (CVE-2024-56703)
In the Linux kernel, the following vulnerability has been resolved:
scsi: storvsc: Ratelimit warning logs to prevent VM denial of service (CVE-2025-21690)
In the Linux kernel, the following vulnerability has been resolved:
net: sched: fix ets qdisc OOB Indexing (CVE-2025-21692)
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 2023.6.20250218' to update your system.See Also
https://alas.aws.amazon.com/AL2023/ALAS-2025-855.html
https://alas.aws.amazon.com/faqs.html
https://alas.aws.amazon.com/cve/html/CVE-2024-49994.html
https://alas.aws.amazon.com/cve/html/CVE-2024-50014.html
https://alas.aws.amazon.com/cve/html/CVE-2024-50047.html
https://alas.aws.amazon.com/cve/html/CVE-2024-50304.html
https://alas.aws.amazon.com/cve/html/CVE-2024-56703.html
Plugin Details
Severity: High
ID: 216795
File Name: al2023_ALAS2023-2025-855.nasl
Version: 1.2
Type: local
Agent: unix
Published: 2/26/2025
Updated: 3/14/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2025-21692
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:kernel-modules-extra-common, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-modules-extra, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:python3-perf, p-cpe:/a:amazon:linux:kernel-libbpf-static, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-libbpf-devel, p-cpe:/a:amazon:linux:kernel-headers, p-cpe:/a:amazon:linux:kernel-tools-devel, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:python3-perf-debuginfo, p-cpe:/a:amazon:linux:kernel-livepatch-6.1.128-136.201, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 2/12/2025
Vulnerability Publication Date: 10/21/2024
Reference Information
CVE: CVE-2024-49994, CVE-2024-50014, CVE-2024-50047, CVE-2024-50304, CVE-2024-56703, CVE-2025-21690, CVE-2025-21692