Oracle Linux 10 : kernel (ELSA-2026-85321)

critical Nessus Plugin ID 372930

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-2026-85321 advisory.

- ipv4: validate checksum_start before completing checksum (CKI Backport Bot) [RHEL-280590] {CVE-2026-99999}
- signal: Prevent exec() race (Phil Auld) [RHEL-282048] {CVE-2026-98256}
- exec: Cleanup POSIX timers right after de_thread() (Luiz Capitulino) [RHEL-282070] {CVE-2026-98260}
- smb: client: reject a tree connect response whose byte count is too small (CKI Backport Bot) [RHEL-271291] {CVE-2026-89631}
- smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (Frank Sorenson) [RHEL-271484] {CVE-2026-89633}
- sctp: validate cookie AUTH state before use (Xin Long) [RHEL-254315] {CVE-2026-74752}
- sctp: stop processing a packet once its association is deleted (Xin Long) [RHEL-254315] {CVE-2026-89479}
- sctp: avoid auth_enable sysctl UAF during netns teardown (Xin Long) [RHEL-258778] {CVE-2026-68162}
- sctp: keep chunk->transport in step with the list it is queued on (Xin Long) [RHEL-254353] {CVE-2026-74588}
- usb: typec: ucsi: validate connector number in ucsi_connector_change() (Desnes Nunes) [RHEL-259412] {CVE-2026-63958}
- usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (Desnes Nunes) [RHEL-259412] {CVE-2026-63962}
- usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers (Desnes Nunes) [RHEL-259412] {CVE-2026-63963}
- usb: typec: altmodes/displayport: validate count before reading Status Update VDO (Desnes Nunes) [RHEL-259412] {CVE-2026-63961}
- Bluetooth: hci_sync: Fix advertising data UAFs (CKI Backport Bot) [RHEL-254672] {CVE-2026-74509}
- openvswitch: vport: fix self-deadlock on release of tunnel ports (CKI Backport Bot) [RHEL-253867] {CVE-2026-31678}
- openvswitch: defer tunnel netdev_put to RCU release (CKI Backport Bot) [RHEL-253867] {CVE-2026-31678}
- tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (Xin Long) [RHEL-228912] {CVE-2026-63801}
- tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (Xin Long) [RHEL-238046] {CVE-2026-68117}
- sctp: fix race between sctp_wait_for_connect and peeloff (Xin Long) [RHEL-229479] {CVE-2026-63971}
- sctp: diag: reject stale associations in dump_one path (Xin Long) [RHEL-231579] {CVE-2026-52917}
- sctp: validate stream count in sctp_process_strreset_inreq() (Xin Long) [RHEL-236158] {CVE-2026-68315}
- sctp: fix auth_hmacs array size in struct sctp_cookie (Xin Long) [RHEL-237097] {CVE-2026-68376}
- sctp: auth: verify auth requirement when auth_chunk is NULL (Xin Long) [RHEL-237097] {CVE-2026-68300}

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-2026-85321.html

Plugin Details

Severity: Critical

ID: 372930

File Name: oraclelinux_ELSA-2026-85321.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/28/2026

Updated: 10/28/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.33

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

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

CVSS Score Source: CVE-2026-89633

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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:P/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/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/20/2026

Vulnerability Publication Date: 4/29/2025

Reference Information

CVE: CVE-2026-31678, CVE-2026-52917, CVE-2026-52935, CVE-2026-63801, CVE-2026-63962, CVE-2026-63971, CVE-2026-68117, CVE-2026-68162, CVE-2026-68300, CVE-2026-68315, CVE-2026-74509, CVE-2026-74588, CVE-2026-74752, CVE-2026-89631, CVE-2026-89633, CVE-2026-98256, CVE-2026-98260