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Oracle Linux 9 : kernel (ELSA-2026-87805)

medium Nessus Plugin ID 372408

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-2026-87805 advisory.

 - xfs: bounds-check buffer log item's dirty bitmap (Pavel Reichl) [RHEL-253366] {CVE-2026-80536}
 - ovl: check access to copy_file_range source with src mounter creds (Miklos Szeredi) [RHEL-238870] {CVE-2026-68448}
 - ALSA: seq: close a re-opened queue timer in the destructor (CKI Backport Bot) [RHEL-263709] {CVE-2026-68202}
 - calipso: unlock rcu before returning -EAFNOSUPPORT (CKI Backport Bot) [RHEL-257685] {CVE-2025-38147}
 - calipso: Don't call calipso functions for AF_INET sk. (CKI Backport Bot) [RHEL-257685] {CVE-2025-38147}
 - netlabel: Fix NULL pointer exception caused by CALIPSO on IPv4 sockets (CKI Backport Bot) [RHEL-257666] {CVE-2025-22063}
 - xfs: fix exchange-range reflink flag clearing issue with INO1_WRITTEN (CKI Backport Bot) [RHEL-255258] {CVE-2026-80530}
 - vmxnet3: fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets (CKI Backport Bot) [RHEL-252811] {CVE-2026-68299}
 - ALSA: hda/cs35l41: Fix firmware load work teardown (CKI Backport Bot) [RHEL-234099] {CVE-2026-64481}
 - ipv4: validate checksum_start before completing checksum (CKI Backport Bot) [RHEL-284987] {CVE-2026-99999}
 - smb: client: reject a tree connect response whose byte count is too small (Alisher Mazhirinov) [RHEL-271284] {CVE-2026-89631}
 - exec: Cleanup POSIX timers right after de_thread() (Luiz Capitulino) [RHEL-282063] {CVE-2026-98260}
 - perf: Fix addr_filter_ranges lifetime (Vratislav Bendel) [RHEL-271871] {CVE-2026-93817}
 - smb: client: fix OOB read/write from unvalidated DataOffset in coalesce_t2() (Frank Sorenson) [RHEL-271487] {CVE-2026-89633}
 - bridge: mcast: Fix a possible use-after-free when removing a bridge port (Jakub Ramaseuski) [RHEL-232528] {CVE-2026-64032}
 - tcp: fix stale per-CPU tcp_tw_isn leak enabling ISN prediction (Antoine Tenart) [RHEL-231693] {CVE-2026-64024}
 - ipv4: fib: free fib_alias with kfree_rcu() on insert error path (Jamie Bainbridge) [RHEL-233131] {CVE-2026-64572}
 - inet: frags: strip GSO state from fragments before reassembly (Jamie Bainbridge) [RHEL-254224] {CVE-2026-80590}
 - ipv4: raw: reject IP_HDRINCL packets with ihl < 5 (Jamie Bainbridge) [RHEL-225452] {CVE-2026-64114}
 - usb: typec: ucsi: validate connector number in ucsi_connector_change() (Desnes Nunes) [RHEL-259429] {CVE-2026-63958}
 - usb: typec: tcpm: bound altmode_desc[] per iteration in svdm_consume_modes() (Desnes Nunes) [RHEL-259429] {CVE-2026-63962}
 - usb: typec: tcpm: validate VDO count in Discover Identity ACK handlers (Desnes Nunes) [RHEL-259429] {CVE-2026-63963}
 - usb: typec: altmodes/displayport: validate count before reading Status Update VDO (Desnes Nunes) [RHEL-259429] {CVE-2026-63961}
 - USB: serial: cypress_m8: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63956}
 - USB: serial: safe_serial: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63957}
 - USB: serial: omninet: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63928}
 - USB: serial: mxuport: fix memory corruption with small endpoint (Desnes Nunes) [RHEL-259322] {CVE-2026-63899}
 - Bluetooth: hci_sync: Fix advertising data UAFs (CKI Backport Bot) [RHEL-254674] {CVE-2026-74509}
 - openvswitch: vport: fix self-deadlock on release of tunnel ports (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678}
 - openvswitch: defer tunnel netdev_put to RCU release (CKI Backport Bot) [RHEL-253856] {CVE-2026-31678}
 - Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974}
 - Bluetooth: hci_sync: Set HCI_CMD_DRAIN_WORKQUEUE during device close (CKI Backport Bot) [RHEL-244764] {CVE-2026-63974}

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-2026-87805.html

Plugin Details

Severity: Medium

ID: 372408

File Name: oraclelinux_ELSA-2026-87805.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/27/2026

Updated: 10/27/2026

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.27

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2025-38147

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:9, cpe:/o:oracle:linux:9:8: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, 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: 10/23/2026

Vulnerability Publication Date: 4/16/2025

Reference Information

CVE: CVE-2025-22063, CVE-2025-38147, CVE-2026-64481, CVE-2026-68202, CVE-2026-68299, CVE-2026-68448, CVE-2026-80530, CVE-2026-80536