CVE-2026-98214

In the Linux kernel, the following vulnerability has been resolved: selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of a stacked filesystem. mmap checks every backing layer as the request...

CVE-2026-98215: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replaces vma-vmfile with a backing file. For nested backing files overlayfs...

CVE-2026-98214: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of a stacked filesystem. mmap checks every backing layer as the request...

PT-2026-106543

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.10-1.1 Description An issue exists in the SELinux component where the mprotect function can be used to bypass security checks that mmap normally performs on intermediate layers of a stacked filesystem. While...

PT-2026-106544

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 7.2.10-1.1 Description An issue exists in SELinux regarding the preservation of the user security identifier SID across nested backing files, such as FUSE passthrough backed by overlayfs or overlayfs over...

Linux Distros Unpatched Vulnerability : CVE-2026-98215

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: preserve user SID across nested backing files SELinux saves the user file SID in a backing-file security blob so it remains available after mmap replac...

Linux Distros Unpatched Vulnerability : CVE-2026-98214

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: recheck intermediate backing files on mprotect mprotect can be used to bypass the SELinux checks that mmap performs against the intermediate layers of ...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mm: hugetlb: avoiding soft lockup when using mprotect on a large memory area When calling mprotect on a large hugetlb memory area in our customer’s workload 300GB of hugetlb memory, soft lockup was observed: watchdog: BUG: soft...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc (crlsa-2026_27812)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202627812 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the CIQ security...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc (crlsa-2026_27811)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202627811 advisory. kernel: selinux: fix overlayfs mmap and mprotect access checks CVE-2026-46054 Tenable has extracted the preceding description block directly from the CIQ security...

SUSE CVE-2026-97931

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

AZL-104823 CVE-2026-97931 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

DEBIAN-CVE-2026-97931

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

CVE-2026-97931

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

UBUNTU-CVE-2026-97931

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

CVE-2026-97931 ALSA: us122l: Prevent write upgrades for read mappings

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

CVE-2026-97931

The Linux kernel contains a vulnerability in the ALSA subsystem where the hwdep mmap callback fails to clear the VM_MAYWRITE flag on read-buffer mappings created with PROT_READ . This allows a process capable of opening the hwdep node with O_RDWR to use mprotect() to escalate permissions and make...

CVE-2026-97931 ALSA: us122l: Prevent write upgrades for read mappings

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

EUVD-2026-86785

In the Linux kernel, the following vulnerability has been resolved: ALSA: us122l: Prevent write upgrades for read mappings The hwdep mmap callback rejects read-buffer mappings that are initially writable, but leaves VMMAYWRITE set on mappings created with PROTREAD. A process that can open the hwd...

CVE-2026-97945: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: x86/mm: Fix user-space data loss with MADVFREE and THP Some of users of Polars a data analytics library have lost production data from this bug. They seem to have just the right combination of huge pages, MADVFREE and heavy recla...