Detections
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Oracle Linux 10 : kernel (ELSA-2026-54343)

critical Nessus Plugin ID 335462

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-54343 advisory.

 - scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf (Maurizio Lombardi) [RHEL-213198] {CVE-2026-63887}
 - perf/aux: Fix page UAF in map_range() (CKI Backport Bot) [RHEL-218475] {CVE-2026-64300}
 - net/sched: act_api: use RCU with deferred freeing for action lifecycle (CKI Backport Bot) [RHEL-218188] {CVE-2026-53264}
 - KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level (Aidan Wallace) [RHEL-213472] {CVE-2026-63807}
 - accel/ivpu: Fix signed integer truncation in IPC receive (CKI Backport Bot) [RHEL-190054] {CVE-2026-53202}
 - netfilter: nf_tables: use list_del_rcu for netlink hooks (Florian Westphal) [RHEL-185311] {CVE-2026-46324}
 - netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO (Florian Westphal) [RHEL-185311] {CVE-2026-45841}
 - nfnetlink_osf: validate individual option lengths in fingerprints (Florian Westphal) [RHEL-185311] {CVE-2026-23397}
 - netfilter: nft_ct: fix use-after-free in timeout object destroy (Florian Westphal) [RHEL-185311] {CVE-2026-31665}
 - netfilter: xt_multiport: validate range encoding in checkentry (Florian Westphal) [RHEL-185311] {CVE-2026-31681}
 - netfilter: nfnetlink_log: initialize nfgenmsg in NLMSG_DONE terminator (Florian Westphal) [RHEL-185311] {CVE-2026-43085}
 - netfilter: nf_tables: reject immediate NF_QUEUE verdict (Florian Westphal) [RHEL-185311] {CVE-2026-43024}
 - netfilter: x_tables: restrict xt_check_match/xt_check_target extensions for NFPROTO_ARP (Florian Westphal) [RHEL-185311] {CVE-2026-31424}
 - netfilter: ctnetlink: ignore explicit helper on new expectations (Florian Westphal) [RHEL-185311] {CVE-2026-43025}
 - netfilter: ctnetlink: zero expect NAT fields when CTA_EXPECT_NAT absent (Florian Westphal) [RHEL-185311] {CVE-2026-43026}
 - netfilter: x_tables: ensure names are nul-terminated (Florian Westphal) [RHEL-185311] {CVE-2026-43028}
 - netfilter: nfnetlink_log: account for netlink header size (Florian Westphal) [RHEL-185311] {CVE-2026-31416}
 - netfilter: ctnetlink: use netlink policy range checks (Florian Westphal) [RHEL-185311] {CVE-2026-31495}
 - netfilter: ip6t_rt: reject oversized addrnr in rt_mt6_check() (Florian Westphal) [RHEL-185311] {CVE-2026-31674}
 - netfilter: nfnetlink_log: fix uninitialized padding leak in NFULA_PAYLOAD (Florian Westphal) [RHEL-185311] {CVE-2026-31428}
 - netfilter: nft_set_pipapo_avx2: don't return non-matching entry on expiry (Florian Westphal) [RHEL-185311] {CVE-2026-43114}
 - nf_tables: nft_dynset: fix possible stateful expression memleak in error path (Florian Westphal) [RHEL-185311] {CVE-2026-23399}
 - netfilter: nf_conntrack_h323: fix OOB read in decode_int() CONS case (Florian Westphal) [RHEL-185311] {CVE-2026-23456}
 - netfilter: nf_conntrack_sip: fix Content-Length u32 truncation in sip_help_tcp() (Florian Westphal) [RHEL-185311] {CVE-2026-23457}
 - netfilter: conntrack: add missing netlink policy validations (Florian Westphal) [RHEL-185311] {CVE-2026-31407}
 - netfilter: ctnetlink: fix use-after-free in ctnetlink_dump_exp_ct() (Florian Westphal) [RHEL-185311] {CVE-2026-23458}
 - netfilter: nfnetlink_queue: fix entry leak in bridge verdict error path (Florian Westphal) [RHEL-185311] {CVE-2026-43451}
 - netfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop() (Florian Westphal) [RHEL-185311] {CVE-2026-43453}
 - netfilter: nf_tables: unconditionally bump set->nelems before insertion (Florian Westphal) [RHEL-185311] {CVE-2026-23272}
 - netfilter: nf_conntrack_h323: fix OOB read in decode_choice() (Florian Westphal) [RHEL-185311] {CVE-2026-43233}
 - netfilter: nf_tables: always walk all pending catchall elements (Florian Westphal) [RHEL-185311] {CVE-2026-23278}

Tenable has extracted the preceding description block directly from the Oracle Linux 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

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-54343.html

Plugin Details

Severity: Critical

ID: 335462

File Name: oraclelinux_ELSA-2026-54343.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/14/2026

Updated: 8/14/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-63887

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, cpe:/o:oracle:linux:10:2:baseos_patch, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-debug-devel-matched, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug-modules-core, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-debug-modules, p-cpe:/a:oracle:linux:kernel-debug-uki-virt, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-devel-matched, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-modules-core, p-cpe:/a:oracle:linux:kernel-modules-extra-matched, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-uki-virt-addons, p-cpe:/a:oracle:linux:kernel-uki-virt, p-cpe:/a:oracle:linux:kernel, p-cpe:/a:oracle:linux:libperf, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:rtla, p-cpe:/a:oracle:linux:rv

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-53202, CVE-2026-53264, CVE-2026-63887, CVE-2026-64300