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Oracle Linux 10 : kernel (ELSA-2026-57251)

high Nessus Plugin ID 338720

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-2026-57251 advisory.

 - udf: fix partition descriptor append bookkeeping (CKI Backport Bot) [RHEL-179570] {CVE-2026-45991}
 - crypto: pcrypt - Fix handling of MAY_BACKLOG requests (Ricardo Robaina) [RHEL-226717] {CVE-2026-43493}
 - smb/client: handle overlapping allocated ranges in fallocate (CKI Backport Bot) [RHEL-236210] {CVE-2026-68388}
 - posix-cpu-timers: Prevent UAF caused by non-leader exec() race (Waiman Long) [RHEL-227850] {CVE-2026-64560}
 - posix-cpu-timers: Fix pid refcount leak in do_cpu_nanosleep() error path (Waiman Long) [RHEL-227850] {CVE-2026-64370}
 - smb: client: fix double-free in SMB2_open() replay (CKI Backport Bot) [RHEL-234551] {CVE-2026-64382}
 - smb: client: mask server-provided mode to 07777 in modefromsid (CKI Backport Bot) [RHEL-234530] {CVE-2026-64379}
 - smb: client: fix query_info() replay double-free (CKI Backport Bot) [RHEL-234129] {CVE-2026-64386}
 - smb/client: fix out-of-bounds read in symlink_data() (CKI Backport Bot) [RHEL-229066] {CVE-2026-46185}
 - blk-mq: reinsert cached request to the list (CKI Backport Bot) [RHEL-213153] {CVE-2026-64017}
 - blk-mq: pop cached request if it is usable (CKI Backport Bot) [RHEL-213153] {CVE-2026-64017}
 - scsi: target: iscsi: Fix CRC overread and double-free in iscsit_handle_text_cmd() (Maurizio Lombardi) [RHEL-213217] {CVE-2026-63888}
 - drm/i915: Fix potential UAF in TTM object purge (CKI Backport Bot) [RHEL-222740] {CVE-2026-63884}
 - drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async (CKI Backport Bot) [RHEL-222567] {CVE-2026-64219}
 - drm/amd/display: Use krealloc_array() in dal_vector_reserve() (CKI Backport Bot) [RHEL-222667] {CVE-2026-53329}
 - drm/amdgpu: fix amdgpu_hmm_range_get_pages (Mika Penttila) [RHEL-222625] {CVE-2026-63879}
 - drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() (CKI Backport Bot) [RHEL-221336] {CVE-2026-43206}
 - drm/i915/gem: Fix phys BO pread/pwrite with offset (CKI Backport Bot) [RHEL-222753] {CVE-2026-53356}
 - drm/amdkfd: Fix watch_id bounds checking in debug address watch v2 (CKI Backport Bot) [RHEL-222721] {CVE-2026-45878}
 - drm/amdkfd: Fix buffer overflow in SDMA queue checkpoint/restore on GFX11 (CKI Backport Bot) [RHEL-222701] {CVE-2026-53143}
 - drm/amd/display: Clamp VBIOS HDMI retimer register count to array size (CKI Backport Bot) [RHEL-222685] {CVE-2026-53136}
 - drm/amdgpu: zero-initialize GART table on allocation (CKI Backport Bot) [RHEL-222646] {CVE-2026-53374}
 - drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v7 (CKI Backport Bot) [RHEL-221380] {CVE-2026-43237}
 - drm/amdgpu: Refactor amdgpu_gem_va_ioctl for Handling Last Fence Update and Timeline Management v4 (CKI Backport Bot) [RHEL-221380] {CVE-2026-43237}
 - sched/psi: Create the psimon kthread outside of cgroup_mutex (CKI Backport Bot) [RHEL-232560] {CVE-2026-52991}
 - sched/psi: fix race between file release and pressure write (CKI Backport Bot) [RHEL-232560] {CVE-2026-52991}
 - scsi: target: Fix hexadecimal CHAP_I handling (CKI Backport Bot) [RHEL-231667] {CVE-2026-63886}
 - scsi: target: iscsi: Validate CHAP_R length before base64 decode (CKI Backport Bot) [RHEL-231667] {CVE-2026-63886}
 - memfd: deny writeable mappings when implying SEAL_WRITE (Luiz Capitulino) [RHEL-228531] {CVE-2026-63952}

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-2026-57251.html

Plugin Details

Severity: High

ID: 338720

File Name: oraclelinux_ELSA-2026-57251.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/21/2026

Updated: 8/21/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.9

Percentile: 99.36

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-2026-53143

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: 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/20/2026

Vulnerability Publication Date: 4/30/2026

Reference Information

CVE: CVE-2026-43206, CVE-2026-43237, CVE-2026-43493, CVE-2026-45878, CVE-2026-45991, CVE-2026-46185, CVE-2026-52991, CVE-2026-53136, CVE-2026-53143, CVE-2026-53329, CVE-2026-53356, CVE-2026-53374, CVE-2026-63879, CVE-2026-63884, CVE-2026-63886, CVE-2026-63888, CVE-2026-63952, CVE-2026-64017, CVE-2026-64219, CVE-2026-64379, CVE-2026-64382, CVE-2026-64386, CVE-2026-64560, CVE-2026-68388