Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: selinux: Avoid dereferencing garbage after a mount failure. In the case where kernmount fails and returns an error pointer in the error branch instead of continuing and dereferencing the error pointer. Also, remove the “never rea...

Linux kernel SELinuxfs Buffer Overflow DoS

The vulnerability of the selopenpolicy function in the security module security/selinux/selinuxfs.c of the Linux kernel’s security subsystem is related to synchronization errors. Exploiting this vulnerability could allow an attacker to cause service failures...

Linux Distros Unpatched Vulnerability : CVE-2026-80756

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences...

CVE-2026-80756

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

UBUNTU-CVE-2026-80756

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

CVE-2026-80756

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

CVE-2026-80756 selinux: do not cancel a policy conversion that never started

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

CVE-2026-80756 selinux: do not cancel a policy conversion that never started

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

CVE-2026-80756: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: selinux: do not cancel a policy conversion that never started selwriteload calls selinuxpolicycancel when selmakepolicynodes fails, and that helper dereferences the outgoing policy to cancel its sidtab conversion. On the first...

PT-2026-84954

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL dereference occurs in the selinux policy cancel function when a first policy load fails while building the selinuxfs tree. This happens because sel write load calls selinux policy...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005054)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005054 advisory. In the Linux kernel, the following vulnerability has been resolved: selinux: avoid dereference of garbage after mount failure In case kernmount fails and returns an...

Linux kernel init_sel_fs() SELinuxfs Buffer Overflow DoS

The vulnerability of the initselfs function in the security/selinux/selinuxfs.c module of the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a service failure...

DEBIAN-CVE-2024-35904

In the Linux kernel, the following vulnerability has been resolved: selinux: avoid dereference of garbage after mount failure In case kernmount fails and returns an error pointer return in the error branch instead of continuing and dereferencing the error pointer. While on it drop the never read...

UBUNTU-CVE-2024-35904

In the Linux kernel, the following vulnerability has been resolved: selinux: avoid dereference of garbage after mount failure In case kernmount fails and returns an error pointer return in the error branch instead of continuing and dereferencing the error pointer. While on it drop the never read...