RockyLinux 10 : kernel (RLSA-2026:91565)

medium Nessus Plugin ID 373667

Synopsis

The remote RockyLinux host is missing one or more security updates.

Description

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:91565 advisory.

* kernel: tcp: restrict SO_ATTACH_FILTER to priv users (CVE-2026-53236)

* kernel: fuse: re-lock request before replacing page cache folio (CVE-2026-53388)

* kernel: net: shaper: rework the VALID marking (again) (CVE-2026-64027)

* kernel: net/handshake: hand off the pinned file reference to accept_doit (CVE-2026-63979)

* kernel: net/handshake: Drain pending requests at net namespace exit (CVE-2026-63978)

* kernel: af_unix: Fix UAF read of tail->len in unix_stream_data_wait() (CVE-2026-64109)

* kernel: net/handshake: Take a long-lived file reference at submit (CVE-2026-64523)

* kernel: net: gro: fix double aggregation of flush-marked skbs (CVE-2026-68136)

* kernel: net/packet: avoid fanout hook re-registration after unregister (CVE-2026-68338)

* kernel: scsi: target: core: Fix iSCSI ISID use-after-free in REGISTER AND MOVE (CVE-2026-72083)

* kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled (CVE-2026-74515)

* kernel: net: smc: fix splice entry lifetime imbalance in smc_rx_splice (CVE-2026-74631)

* kernel: usb: usbfs: fix use-after-free of usb_device in usbdev_release() (CVE-2026-80824)

* kernel: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions (CVE-2026-89638)

* kernel: vfio/pci: clear vdev->msi_perm after freeing it on init failure (CVE-2026-89777)

* kernel: md/raid5-ppl: fix use-after-free in ppl_do_flush() (CVE-2026-93262)

Bug Fix(es) and Enhancement(s):

* x86/microcode: Add platform mask to Intel microcode old list [Rocky Linux-10] [rhel-10.2.z] (JIRA:Rocky Linux-212778)

* net: NULL pointer deref kernel panic in fib6_walk_continue under heavy VRF churn [rhel-10.2.z] (JIRA:Rocky Linux-245489)

* backport fixes for lockdep issues reported with rt-debug [rhel-10.2.z] (JIRA:Rocky Linux-259937)

Tenable has extracted the preceding description block directly from the RockyLinux 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://bugzilla.redhat.com/show_bug.cgi?id=2492709

https://bugzilla.redhat.com/show_bug.cgi?id=2502255

https://bugzilla.redhat.com/show_bug.cgi?id=2502341

https://bugzilla.redhat.com/show_bug.cgi?id=2502376

https://bugzilla.redhat.com/show_bug.cgi?id=2502382

https://bugzilla.redhat.com/show_bug.cgi?id=2502615

https://bugzilla.redhat.com/show_bug.cgi?id=2507122

https://bugzilla.redhat.com/show_bug.cgi?id=2513163

https://bugzilla.redhat.com/show_bug.cgi?id=2513264

https://bugzilla.redhat.com/show_bug.cgi?id=2516579

https://bugzilla.redhat.com/show_bug.cgi?id=2517006

https://bugzilla.redhat.com/show_bug.cgi?id=2521413

https://bugzilla.redhat.com/show_bug.cgi?id=2528642

https://bugzilla.redhat.com/show_bug.cgi?id=2532122

https://bugzilla.redhat.com/show_bug.cgi?id=2535066

https://bugzilla.redhat.com/show_bug.cgi?id=2540323

https://errata.rockylinux.org/RLSA-2026:91565

Plugin Details

Severity: Medium

ID: 373667

File Name: rocky_linux_RLSA-2026-91565.nasl

Version: 1.1

Type: Local

Published: 10/29/2026

Updated: 10/29/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.8

Percentile: 99.33

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2026-53236

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:rocky:linux:10, p-cpe:/a:rocky:linux:kernel-64k-core, p-cpe:/a:rocky:linux:kernel-64k-debug-core, p-cpe:/a:rocky:linux:kernel-64k-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-64k-debug-devel-matched, p-cpe:/a:rocky:linux:kernel-64k-debug-devel, p-cpe:/a:rocky:linux:kernel-64k-debug-modules-core, p-cpe:/a:rocky:linux:kernel-64k-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-64k-debug-modules, p-cpe:/a:rocky:linux:kernel-64k-debug, p-cpe:/a:rocky:linux:kernel-64k-debuginfo, p-cpe:/a:rocky:linux:kernel-64k-devel-matched, p-cpe:/a:rocky:linux:kernel-64k-devel, p-cpe:/a:rocky:linux:kernel-64k-modules-core, p-cpe:/a:rocky:linux:kernel-64k-modules-extra, p-cpe:/a:rocky:linux:kernel-64k-modules, p-cpe:/a:rocky:linux:kernel-64k, p-cpe:/a:rocky:linux:kernel-abi-stablelists, p-cpe:/a:rocky:linux:kernel-core, p-cpe:/a:rocky:linux:kernel-debug-core, p-cpe:/a:rocky:linux:kernel-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-debug-devel-matched, p-cpe:/a:rocky:linux:kernel-debug-devel, p-cpe:/a:rocky:linux:kernel-debug-modules-core, p-cpe:/a:rocky:linux:kernel-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-debug-modules, p-cpe:/a:rocky:linux:kernel-debug-uki-virt, p-cpe:/a:rocky:linux:kernel-debug, p-cpe:/a:rocky:linux:kernel-debuginfo-common-aarch64, p-cpe:/a:rocky:linux:kernel-debuginfo-common-ppc64le, p-cpe:/a:rocky:linux:kernel-debuginfo-common-s390x, p-cpe:/a:rocky:linux:kernel-debuginfo-common-x86_64, p-cpe:/a:rocky:linux:kernel-debuginfo, p-cpe:/a:rocky:linux:kernel-devel-matched, p-cpe:/a:rocky:linux:kernel-devel, p-cpe:/a:rocky:linux:kernel-modules-core, p-cpe:/a:rocky:linux:kernel-modules-extra-matched, p-cpe:/a:rocky:linux:kernel-modules-extra, p-cpe:/a:rocky:linux:kernel-modules, p-cpe:/a:rocky:linux:kernel-rt-64k-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules-core, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-64k-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-64k-debug, p-cpe:/a:rocky:linux:kernel-rt-64k-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-64k-devel, p-cpe:/a:rocky:linux:kernel-rt-64k-modules-core, p-cpe:/a:rocky:linux:kernel-rt-64k-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-64k-modules, p-cpe:/a:rocky:linux:kernel-rt-64k, p-cpe:/a:rocky:linux:kernel-rt-core, p-cpe:/a:rocky:linux:kernel-rt-debug-core, p-cpe:/a:rocky:linux:kernel-rt-debug-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-debug-devel, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-core, p-cpe:/a:rocky:linux:kernel-rt-debug-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-debug-modules, p-cpe:/a:rocky:linux:kernel-rt-debug, p-cpe:/a:rocky:linux:kernel-rt-debuginfo, p-cpe:/a:rocky:linux:kernel-rt-devel, p-cpe:/a:rocky:linux:kernel-rt-modules-core, p-cpe:/a:rocky:linux:kernel-rt-modules-extra, p-cpe:/a:rocky:linux:kernel-rt-modules, p-cpe:/a:rocky:linux:kernel-rt, p-cpe:/a:rocky:linux:kernel-tools-debuginfo, p-cpe:/a:rocky:linux:kernel-tools-libs-devel, p-cpe:/a:rocky:linux:kernel-tools-libs, p-cpe:/a:rocky:linux:kernel-tools, p-cpe:/a:rocky:linux:kernel-uki-virt-addons, p-cpe:/a:rocky:linux:kernel-uki-virt, p-cpe:/a:rocky:linux:kernel-zfcpdump-core, p-cpe:/a:rocky:linux:kernel-zfcpdump-debuginfo, p-cpe:/a:rocky:linux:kernel-zfcpdump-devel-matched, p-cpe:/a:rocky:linux:kernel-zfcpdump-devel, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules-core, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules-extra, p-cpe:/a:rocky:linux:kernel-zfcpdump-modules, p-cpe:/a:rocky:linux:kernel-zfcpdump, p-cpe:/a:rocky:linux:kernel, p-cpe:/a:rocky:linux:libperf-debuginfo, p-cpe:/a:rocky:linux:libperf, p-cpe:/a:rocky:linux:perf-debuginfo, p-cpe:/a:rocky:linux:perf, p-cpe:/a:rocky:linux:python3-perf-debuginfo, p-cpe:/a:rocky:linux:python3-perf, p-cpe:/a:rocky:linux:rtla, p-cpe:/a:rocky:linux:rv

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/29/2026

Vulnerability Publication Date: 6/4/2026

Reference Information

CVE: CVE-2026-53236, CVE-2026-53388, CVE-2026-63978, CVE-2026-63979, CVE-2026-64027, CVE-2026-64109, CVE-2026-64523, CVE-2026-68136, CVE-2026-68338, CVE-2026-72083, CVE-2026-74515, CVE-2026-74631, CVE-2026-80824, CVE-2026-89638, CVE-2026-89777, CVE-2026-93262