Detections
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Oracle Linux 9 : kernel (ELSA-2026-19225)

high Nessus Plugin ID 322189

Synopsis

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

Description

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-19225 advisory.

 - xfrm: esp: avoid in-place decrypt on shared skb frags (Sabrina Dubroca) [RHEL-174563] {CVE-2026-43284}
 - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption (Herbert Xu) [RHEL-172543] {CVE-2026-31431}
 - crypto: authencesn - reject too-short AAD (assoclen<8) to match ESP/ESN spec (Herbert Xu) [RHEL-172543] {CVE-2026-23060}
 - crypto: af_alg - limit RX SG extraction by receive buffer budget (Herbert Xu) [RHEL-172543] {CVE-2026-31677}
 - crypto: algif_aead - Revert to operating out-of-place (Herbert Xu) [RHEL-172543] {CVE-2026-31431}
 - RDMA/umad: Reject negative data_len in ib_umad_write (CKI Backport Bot) [RHEL-156878] {CVE-2026-23243}
 - net/mlx5: Fix ECVF vports unload on shutdown flow (CKI Backport Bot) [RHEL-154538] {CVE-2025-38109}
 - mm/damon/sysfs: cleanup attrs subdirs on context dir setup failure (Audra Mitchell) [RHEL-150478] {CVE-2026-23144}
 - ice: Fix PTP NULL pointer dereference during VSI rebuild (CKI Backport Bot) [RHEL-150246] {CVE-2026-23210}
 - wifi: mac80211_hwsim: fix typo in frequency notification (CKI Backport Bot) [RHEL-148653] {CVE-2026-23040}
 - HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save (Benjamin Tissoires) [RHEL-142234] {CVE-2025-39818}
 - scsi: target: iscsi: Fix use-after-free in iscsit_dec_session_usage_count() (CKI Backport Bot) [RHEL-150423] {CVE-2026-23193}
 - netfilter: nf_tables: fix use-after-free in nf_tables_addchain() (CKI Backport Bot) [RHEL-153270] {CVE-2026-23231}
 - net: atm: fix /proc/net/atm/lec handling (Hangbin Liu) [RHEL-146424] {CVE-2025-38180}
 - macvlan: fix error recovery in macvlan_common_newlink() (Hangbin Liu) [RHEL-150227] {CVE-2026-23209}
 - migrate: correct lock ordering for hugetlb file folios (Luiz Capitulino) [RHEL-147267] {CVE-2026-23097}
 - ALSA: aloop: Fix racy access at PCM trigger (Jaroslav Kysela) [RHEL-150131] {CVE-2026-23191}
 - netfilter: nf_tables: fix inverted genmask check in nft_map_catchall_activate() (CKI Backport Bot) [RHEL-149749] {CVE-2026-23111}
 - bonding: fix use-after-free due to enslave fail after slave array update (CKI Backport Bot) [RHEL-152386] {CVE-2026-23171}
 - mm/hugetlb: fix hugetlb_pmd_shared() (Rafael Aquini) [RHEL-150765] {CVE-2026-23100}
 - mm: hugetlb: independent PMD page table shared count (Rafael Aquini) [RHEL-150765] {CVE-2024-57883}
 - x86/mm/64: define ARCH_PAGE_TABLE_SYNC_MASK and arch_sync_kernel_mappings() (Rafael Aquini) [RHEL-150765] {CVE-2025-39845}
 - mm: move page table sync declarations to linux/pgtable.h (Rafael Aquini) [RHEL-150765] {CVE-2025-39844}
 - ipv6: BUG() in pskb_expand_head() as part of calipso_skbuff_setattr() (CKI Backport Bot) [RHEL-143546] {CVE-2025-71085}

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-2026-19225.html

Plugin Details

Severity: High

ID: 322189

File Name: oraclelinux_ELSA-2026-19225.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/23/2026

Updated: 6/23/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Critical

Score: 10.0

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 4

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

CVSS Score Source: CVE-2026-31677

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5.3

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

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

CVSS v4

Risk Factor: High

Base Score: 8.6

Threat Score: 8.6

Threat Vector: CVSS:4.0/E:A

Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-31431

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-debug-modules-extra, p-cpe:/a:oracle:linux:rv, p-cpe:/a:oracle:linux:kernel-debug-modules-core, p-cpe:/a:oracle:linux:kernel-modules-extra, p-cpe:/a:oracle:linux:kernel-debug-devel-matched, p-cpe:/a:oracle:linux:kernel-uki-virt-addons, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:python3-perf, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:kernel-core, p-cpe:/a:oracle:linux:kernel-devel, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel, p-cpe:/a:oracle:linux:kernel-abi-stablelists, p-cpe:/a:oracle:linux:kernel-debug-core, p-cpe:/a:oracle:linux:kernel-cross-headers, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:libperf, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel-devel-matched, p-cpe:/a:oracle:linux:rtla, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:kernel-modules, p-cpe:/a:oracle:linux:kernel-uki-virt, p-cpe:/a:oracle:linux:kernel-modules-core, p-cpe:/a:oracle:linux:perf, p-cpe:/a:oracle:linux:kernel-debug-modules, cpe:/o:oracle:linux:9:8:baseos_base, p-cpe:/a:oracle:linux:kernel-debug-uki-virt

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/12/2026

Vulnerability Publication Date: 4/9/2024

CISA Known Exploited Vulnerability Due Dates: 5/15/2026

Reference Information

CVE: CVE-2026-23060, CVE-2026-31431, CVE-2026-31677, CVE-2026-43284

IAVA: 2026-A-0428