RHEL 10 : kernel (RHSA-2026:77690)

medium Nessus Plugin ID 369293

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:77690 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: ipvlan: Make the addrs_lock be per port (CVE-2026-23103)

* kernel: KVM: SEV: Require in-GHCB scratch area if GHCB v2+ is in use (CVE-2026-53360)

* kernel: vsock/virtio: fix zerocopy completion for multi-skb sends (CVE-2026-53365)

* kernel: NFSD: Fix SECINFO_NO_NAME decode error cleanup (CVE-2026-53398)

* kernel: vsock/virtio: bind uarg before filling zerocopy skb (CVE-2026-63970)

* kernel: igc: set tx buffer type for SMD frames (CVE-2026-64035)

* kernel: vsock/vmci: fix UAF when peer resets connection during handshake (CVE-2026-64115)

* kernel: SUNRPC: pin upper rpc_clnt across the TLS connect_worker (CVE-2026-72317)

* kernel: udp: fix potential use-after-free in tunnel segmentation (CVE-2026-74705)

* kernel: ipvlan: inherit needed_headroom and needed_tailroom from phy_dev (CVE-2026-74744)

* kernel: nfsd: defer vfree of compound ops to fix rpc_status UAF (CVE-2026-89690)

* kernel: nfsd: initialize copy-notify stateid before publishing it (CVE-2026-89669)

* kernel: svcrdma: Reject inline replies that overflow the pull-up buffer (CVE-2026-89530)

* kernel: nfsd: fix stale s2s_cp_stateids IDR entry for async COPY (CVE-2026-89676)

* kernel: nfsd: revoke copy-notify stateids before dropping their reference (CVE-2026-89663)

* kernel: nfsd: fix UAF in async copy cancel and shutdown (CVE-2026-89675)

Bug Fix(es) and Enhancement(s):

* mlxbf_bootctl: driver update to Linux v6.16 [Nvidia 10.2.z FEAT] (JIRA:RHEL-212709)

* [GNR-D] missing interfaces tspll_cfg [rhel-10.2] (JIRA:RHEL-273805)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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://access.redhat.com/errata/RHSA-2026:77690

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2436771

https://bugzilla.redhat.com/show_bug.cgi?id=2497032

https://bugzilla.redhat.com/show_bug.cgi?id=2499742

https://bugzilla.redhat.com/show_bug.cgi?id=2502222

https://bugzilla.redhat.com/show_bug.cgi?id=2502411

https://bugzilla.redhat.com/show_bug.cgi?id=2502476

https://bugzilla.redhat.com/show_bug.cgi?id=2502593

https://bugzilla.redhat.com/show_bug.cgi?id=2516705

https://bugzilla.redhat.com/show_bug.cgi?id=2521498

https://bugzilla.redhat.com/show_bug.cgi?id=2524431

https://bugzilla.redhat.com/show_bug.cgi?id=2532103

https://bugzilla.redhat.com/show_bug.cgi?id=2532111

https://bugzilla.redhat.com/show_bug.cgi?id=2532218

https://bugzilla.redhat.com/show_bug.cgi?id=2532219

https://bugzilla.redhat.com/show_bug.cgi?id=2532231

https://bugzilla.redhat.com/show_bug.cgi?id=2532272

http://www.nessus.org/u?f0b95c8b

Plugin Details

Severity: Medium

ID: 369293

File Name: redhat-RHSA-2026-77690.nasl

Version: 1.2

Type: Local

Agent: unix

Published: 10/21/2026

Updated: 10/22/2026

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

Risk Information

VPR

Risk Factor: High

Score: 7.8

Percentile: 99.33

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.8

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

CVSS Score Source: CVE-2026-53365

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5.1

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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:10.2, cpe:/o:redhat:enterprise_linux:10, p-cpe:/a:redhat:enterprise_linux:kernel-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-64k, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:kernel-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra-matched, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-internal, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-64k, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt-addons, p-cpe:/a:redhat:enterprise_linux:kernel-uki-virt, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel-matched, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:libperf, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:python3-perf, p-cpe:/a:redhat:enterprise_linux:rtla, p-cpe:/a:redhat:enterprise_linux:rv

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/8/2026

Vulnerability Publication Date: 2/4/2026

Exploitable With

Core Impact

Reference Information

CVE: CVE-2026-23103, CVE-2026-53360, CVE-2026-53365, CVE-2026-53398, CVE-2026-63970, CVE-2026-64035, CVE-2026-64115, CVE-2026-72317, CVE-2026-74705, CVE-2026-74744, CVE-2026-89530, CVE-2026-89663, CVE-2026-89669, CVE-2026-89675, CVE-2026-89676, CVE-2026-89690

CWE: 124, 413, 416, 787, 824, 825, 909, 911

RHSA: 2026:77690