PT-2026-65846

fuse-overlayfs is an implementation of overlayfs in FUSE for rootless containers. Prior to 1.17, the release-1.x C branch preserves SUID and SGID mode bits in main.c during openO TRUNC and truncate handling on a copied-up file, allowing a low-privileged process to leave the upper-layer file with...

kernel: fs/notify: call exportfs_encode_fid with s_umount

A flaw was found in the Linux kernel’s filesystem notification fs/notify code where calling inotifyshowfdinfo on a file descriptor watching an overlayfs inode during an unmount operation could lead to a NULL pointer dereference...

Important: kernel6.12

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: clear page-private in freepagesprepare CVE-2026-43303 In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks CVE-2026-45850 In the Linux...

Important: kernel6.18

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: ipvs: skip ipv6 extension headers for csum checks CVE-2026-45850 In the Linux kernel, the following vulnerability has been resolved: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 In the Lin...

MiracleLinux 8 : kernel-4.18.0-553.137.1.el8_10 (AXSA:2026-1193:46)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1193:46 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the...

container-tools:ol8 security, bug fix, and enhancement update

aardvark-dns 2:1.10.1-2 - build off the RHEL maintenance branch - Resolves: RHEL-59129 buildah 2:1.33.14-3 - rebuild for CVE-2025-68121 - Resolves: RHEL-149262 cockpit-podman 84.1-1 - update to https://github.com/cockpit-project/cockpit-podman/releases/tag/84.1 - Related: Jira:RHEL-25557 conmon...

RHEL 9 : kernel (RHSA-2026:30848)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:30848 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/amd/display: Do not skip...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kernel: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach CVE-2026-43038 kernel: netfilter: flowtabl...

ALSA-2026:30848 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation CVE-2026-31488 kernel: ipv6: icmp: clear skb2-cb in ip6errgenicmpv6unreach CVE-2026-43038 kernel: netfilter: flowtabl...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

RLSA-2026:27811 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related...

RockyLinux 8 : kernel (RLSA-2026:27811)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:27811 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the RockyLinux...

RockyLinux 8 : kernel-rt (RLSA-2026:27812)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:27812 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the RockyLinux...

AlmaLinux 8 : kernel (ALSA-2026:27811)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:27811 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the AlmaLinux...

AlmaLinux 8 : kernel-rt (ALSA-2026:27812)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:27812 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the AlmaLinux...

Oracle Linux 8 : kernel (ELSA-2026-27811)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-27811 advisory. - selinux: RHEL-only hotfix for execmem regression Ondrej Mosnacek RHEL-179435 CVE-2026-46054 - selinux: fix overlayfs mmap and mprotect access checks Ondrej...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: selinux: fix overlayfs mmap() and mprotect() access checks

A flaw was found in the Linux kernel's SELinux security module when handling overlayfs. The existing security model for overlayfs does not properly enforce access controls for mmap and mprotect operations. This oversight could allow a local attacker to bypass intended security policies, potential...

Important: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

RHEL 8 : kernel-rt (RHSA-2026:27812)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:27812 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...