Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by using vmap with VMIOREMAP. An oops can occur when running ‘cat /proc/kcore /dev/null’ on devices that use pstore with the ram backend, because kmapatomic assumes that lowmem pages are accessible via va...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013158)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013158 advisory. In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat...

CVE-2022-50849

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...

SUSE CVE-2022-50849

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...

CVE-2022-50849

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...

CVE-2022-50849 pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...

CVE-2022-50849

CVE-2022-50849: In the Linux kernel, pstore ram-backend backends can trigger an oops when reading /proc/kcore due to kmap_atomic() assuming lowmem pages are addressable via __va(). The bug arises when vmap() is used without mapping the ramoops lowmem pages; read_kcore and aligned_vread can pass a...

CVE-2022-50849 pstore: Avoid kcore oops by vmap()ing with VM_IOREMAP

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from improper use of kmapatomic in the pstore ram backend, which could lead to a kernel crash...

CVE-2022-50849: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: pstore: Avoid kcore oops by vmaping with VMIOREMAP An oops can be induced by running 'cat /proc/kcore /dev/null' on devices using pstore with the ram backend because kmapatomic assumes lowmem pages are accessible with va. Unable ...