Amazon Linux 2 : kernel (ALASKERNEL-5.15-2025-069)

high Nessus Plugin ID 233694

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Synopsis

The remote Amazon Linux 2 host is missing a security update.

Description

The version of kernel installed on the remote host is prior to 5.15.179-121.185. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.15-2025-069 advisory.

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

Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982)

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

KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS (CVE-2024-46830)

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

pps: Fix a use-after-free (CVE-2024-57979)

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

KVM: Explicitly verify target vCPU is online in kvm_get_vcpu() (CVE-2024-58083)

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

net: sched: Disallow replacing of child qdisc from one parent to another (CVE-2025-21700)

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

net: avoid race between device unregistration and ethnl ops (CVE-2025-21701)

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

padata: avoid UAF for reorder_work (CVE-2025-21726)

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

padata: fix UAF in padata_reorder (CVE-2025-21727)

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

nbd: don't allow reconnect after disconnect (CVE-2025-21731)

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

btrfs: fix use-after-free when attempting to join an aborted transaction (CVE-2025-21753)

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

vsock: Keep the binding until socket destruction (CVE-2025-21756)

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

ipv6: mcast: add RCU protection to mld_newpack() (CVE-2025-21758)

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

ndisc: extend RCU protection in ndisc_send_skb() (CVE-2025-21760)

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

openvswitch: use RCU protection in ovs_vport_cmd_fill_info() (CVE-2025-21761)

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

arp: use RCU protection in arp_xmit() (CVE-2025-21762)

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

neighbour: use RCU protection in __neigh_notify() (CVE-2025-21763)

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

ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)

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

KVM: x86: Reject Hyper-V's SEND_IPI hypercalls if local APIC isn't in-kernel (CVE-2025-21779)

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

arm64: cacheinfo: Avoid out-of-bounds write to cacheinfo array (CVE-2025-21785)

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

vrf: use RCU protection in l3mdev_l3_out() (CVE-2025-21791)

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

nfsd: clear acl_access/acl_default after releasing them (CVE-2025-21796)

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

geneve: Fix use-after-free in geneve_find_dev(). (CVE-2025-21858)

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

ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up (CVE-2025-21887)

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

sched/fair: Fix potential memory corruption in child_cfs_rq_on_list (CVE-2025-21919)

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

vlan: enforce underlying device type (CVE-2025-21920)

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

HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() (CVE-2025-21928)

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 'yum update kernel' to update your system.

Plugin Details

Severity: High

ID: 233694

File Name: al2_ALASKERNEL-5_15-2025-069.nasl

Version: 1.4

Type: local

Agent: unix

Family: Amazon Linux Local Security Checks

Published: 4/1/2025

Updated: 5/13/2025

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2025-21928

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:perf, p-cpe:/a:amazon:linux:bpftool, p-cpe:/a:amazon:linux:perf-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-debuginfo, p-cpe:/a:amazon:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:amazon:linux:kernel-tools, p-cpe:/a:amazon:linux:kernel-devel, p-cpe:/a:amazon:linux:python-perf-debuginfo, p-cpe:/a:amazon:linux:kernel-livepatch-5.15.179-121.185, p-cpe:/a:amazon:linux:kernel, p-cpe:/a:amazon:linux:kernel-debuginfo, p-cpe:/a:amazon:linux:kernel-headers, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:bpftool-debuginfo, p-cpe:/a:amazon:linux:kernel-tools-devel, p-cpe:/a:amazon:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:amazon:linux:python-perf

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

Exploit Available: true

Exploit Ease: No known exploits are available

Patch Publication Date: 3/26/2025

Vulnerability Publication Date: 4/27/2024

Reference Information

CVE: CVE-2024-26982, CVE-2024-46830, CVE-2024-57979, CVE-2024-58083, CVE-2025-21700, CVE-2025-21701, CVE-2025-21726, CVE-2025-21727, CVE-2025-21731, CVE-2025-21753, CVE-2025-21756, CVE-2025-21758, CVE-2025-21760, CVE-2025-21761, CVE-2025-21762, CVE-2025-21763, CVE-2025-21764, CVE-2025-21779, CVE-2025-21785, CVE-2025-21791, CVE-2025-21796, CVE-2025-21858, CVE-2025-21887, CVE-2025-21919, CVE-2025-21920, CVE-2025-21928

Detections

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