Detections
Analytics

Oracle Linux 8 / 9 : Unbreakable Enterprise kernel (ELSA-2026-50305)

critical Nessus Plugin ID 320171

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-50305 advisory.

 - arm64: errata: Mitigate TLBI errata on various Arm CPUs (Mark Rutland) [Orabug: 39017590] {CVE-2025-10263}
 - net: skbuff: propagate shared-frag marker through frag-transfer helpers (Hyunwoo Kim) [Orabug:
 39368827] {CVE-2026-46300}
 - ptrace: slightly saner 'get_dumpable()' logic (Linus Torvalds) [Orabug: 39384274] {CVE-2026-46333}
 - Revert 'mm/hugetlb: add option to allows disabling CVE-2025-38085 mitigation' (Samasth Norway Ananda) [Orabug: 38474901]
 - x86/CPU/AMD: Add a fix for AMD-SB-7052 (Prathyushi Nangia) [Orabug: 39327141] {CVE-2025-54518}
 - xfrm: esp: ipv4: fix up flags setting (Greg Kroah-Hartman) [Orabug: 39342679] {CVE-2026-43284}
 - xfrm: esp: avoid in-place decrypt on shared skb frags (Kuan-Ting Chen) [Orabug: 39342679] {CVE-2026-43284}
 - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (Jeff Layton) [Orabug: 39167616] {CVE-2026-31402}
 - net/sched: Only allow act_ct to bind to clsact/ingress qdiscs and shared blocks (Victor Nogueira) [Orabug: 39103230] {CVE-2026-23270}
 - crypto: algif_aead - Fix minimum RX size check for decryption (Herbert Xu) [Orabug: 39250686,39331104] {CVE-2026-43077}
 - crypto: af_alg - Fix page reassignment overflow in af_alg_pull_tsgl (Herbert Xu) [Orabug:
 39250686,39331109] {CVE-2026-43078}
 - crypto: authencesn - Do not place hiseq at end of dst for out-of-place decryption (Herbert Xu) [Orabug:
 39250686,39300910] {CVE-2026-43033}
 - crypto: algif_aead - Revert to operating out-of-place (Herbert Xu) [Orabug: 39250686,39283867,39291961] {CVE-2026-31431}
 - crypto: algif_aead - use memcpy_sglist() instead of null skcipher (Eric Biggers) [Orabug: 39250686] {CVE-2026-31431}
 - x86/CPU: Fix FPDSS on Zen1 (Borislav Petkov) [Orabug: 39241228,39273722] {CVE-2026-31628}
 - net/handshake: duplicate handshake cancellations leak socket (Scott Mayhew) [Orabug: 38847720] {CVE-2025-68775}
 - ipv6: use RCU in ip6_xmit() (Eric Dumazet) [Orabug: 38649062] {CVE-2025-40135}
 - scsi: qla2xxx: Sanitize payload size to prevent member overflow (Jiasheng Jiang) [Orabug: 38930868] {CVE-2026-23059}
 - bpf: Fix reference count leak in bpf_prog_test_run_xdp() (Tetsuo Handa) [Orabug: 38887702] {CVE-2026-22994}
 - nfsd: check that server is running in unlock_filesystem (Olga Kornievskaia) [Orabug: 38887682] {CVE-2026-22989}
 - net/mlx5e: TC, delete flows only for existing peers (Mark Bloch) [Orabug: 38970398] {CVE-2026-23173}
 - net/handshake: restore destructor on submit failure (Caoping) [Orabug: 38887601] {CVE-2025-71148}
 - scsi: qla2xxx: Fix improper freeing of purex item (Zilin Guan) [Orabug: 38798929] {CVE-2025-68741}
 - bnxt_en: Fix XDP_TX path (Michael Chan) [Orabug: 38847684] {CVE-2025-68770}
 - perf/x86/amd: Check event before enable to avoid GPF (George Kennedy) [Orabug: 38847849] {CVE-2025-68798}
 - scsi: smartpqi: Fix device resources accessed after device removal (Mike Mcgowen) [Orabug: 38798848] {CVE-2025-68371}
 - KVM: SVM: Don't skip unrelated instruction if INT3/INTO is replaced (Omar Sandoval) [Orabug: 38773579] {CVE-2025-68259}
 - x86/fpu: Ensure XFD state on signal delivery (Chang S. Bae) [Orabug: 38773165] {CVE-2025-68171}
 - virtio-net: fix received length check in big packets (Bui Quang Minh) [Orabug: 38737152] {CVE-2025-40292}
 - ACPI: CPPC: Fix NULL pointer dereference when nosmp is used (Yunhui Cui) [Orabug: 38641284] {CVE-2025-38113}
 - EDAC/i10nm: Skip DIMM enumeration on a disabled memory controller (Qiuxu Zhuo) [Orabug: 38649173] {CVE-2025-40157}
 - sunrpc: fix null pointer dereference on zero-length checksum (Lei Lu) [Orabug: 38649042] {CVE-2025-40129}
 - cpufreq: CPPC: Fix possible null-ptr-deref for cppc_get_cpu_cost() (Jinjie Ruan) [Orabug: 38641275] {CVE-2024-53230}
 - cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw() (Jinjie Ruan) [Orabug: 38641272] {CVE-2024-53231}
 - vhost: vringh: Fix copy_to_iter return value check (Michael S. Tsirkin) [Orabug: 38592117] {CVE-2025-40056}
 - crypto: qat - flush misc workqueue during device shutdown (Giovanni Cabiddu) [Orabug: 38401717] {CVE-2025-39721}
 - vhost: vringh: Modify the return value check (Zhang Jiao) [Orabug: 38592085] {CVE-2025-40051}
 - virtio-net: fix recursived rtnl_lock() during probe() (Zigit Zo) [Orabug: 38324330] {CVE-2025-38551}
 - gve: prevent ethtool ops after shutdown (Jordan Rhee) [Orabug: 38401492] {CVE-2025-38735}
 - KVM: SVM: Reject SEV{-ES} intra host migration if vCPU creation is in-flight (Sean Christopherson) [Orabug: 38254140] {CVE-2025-38455}
 - net: usb: lan78xx: fix WARN in __netif_napi_del_locked on disconnect (Oleksij Rempel) [Orabug: 38253871] {CVE-2025-38385}
 - net/mlx5e: Disable MACsec offload for uplink representor profile (Carolina Jubran) [Orabug: 38094809] {CVE-2025-38020}
 - dmaengine: idxd: fix memory leak in error handling path of idxd_alloc (Shuai Xue) [Orabug: 38094794] {CVE-2025-38015}
 - net/mlx5: Fix ECVF vports unload on shutdown flow (Amir Tzin) [Orabug: 38152903] {CVE-2025-38109}
 - bnxt: properly flush XDP redirect lists (Yan Zhai) [Orabug: 38175054] {CVE-2025-38246}
 - eth: bnxt: fix missing ring index trim on error path (Jakub Kicinski) [Orabug: 37937451] {CVE-2025-37873}
 - net/mlx5: Fix null-ptr-deref in mlx5_create_{inner_,}ttc_table() (Henry Martin) [Orabug: 37938078] {CVE-2025-37888}
 - nfsd: fix possible badness in FREE_STATEID (Olga Kornievskaia) [Orabug: 37989102] {CVE-2024-50043}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue 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-2026-50305.html

Plugin Details

Severity: Critical

ID: 320171

File Name: oraclelinux_ELSA-2026-50305.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/9/2026

Updated: 6/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2025-10263

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-uek-container, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek64k-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules-extra, p-cpe:/a:oracle:linux:kernel-uek-modules, p-cpe:/a:oracle:linux:kernel-uek64k, cpe:/o:oracle:linux:9, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek64k-modules, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, cpe:/o:oracle:linux:9:7:baseos_patch, p-cpe:/a:oracle:linux:bpftool, p-cpe:/a:oracle:linux:kernel-uek-debug-core, p-cpe:/a:oracle:linux:kernel-uek-debug-modules, p-cpe:/a:oracle:linux:kernel-uek64k-devel, p-cpe:/a:oracle:linux:kernel-uek-container-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-modules-extra, p-cpe:/a:oracle:linux:kernel-uek64k-core, p-cpe:/a:oracle:linux:kernel-uek-core

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/7/2026

Vulnerability Publication Date: 6/9/2026

Reference Information

CVE: CVE-2025-10263