Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: procfs: Fixed a possible double mmput operation in doprocmapquery. When a user provides a buffer of incorrect size for the PROCMAPQUERY build ID, we return an -ENAMETOOLONG error. After recent changes, this condition occurs later...

SUSE CVE-2026-43178

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

Linux Distros Unpatched Vulnerability : CVE-2026-43178

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized...

CVE-2026-43178 procfs: fix possible double mmput() in do_procmap_query()

In the Linux kernel, the following vulnerability has been resolved: procfs: fix possible double mmput in doprocmapquery When user provides incorrectly sized buffer for build ID for PROCMAPQUERY we return with -ENAMETOOLONG error. After recent changes this condition happens later, after we unlocke...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an error in the doprocmapquery function, potentially leading to a double mmput operation due to an...

PT-2026-37518

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the procfs component within the do procmap query function. When a user provides an incorrectly sized buffer for the build ID during a PROCMAP QUERY, the system returns a...

CVE-2026-23199

CVE-2026-23199 : In the Linux kernel, procfs could deadlock by fetching the optional build ID while holding the VMA lock. The fix changes PROCMAP_QUERY to obtain the optional build ID only after dropping mmap_lock or after acquiring the per-VMA lock used to guard the VMA, preventing the cross-loc...

CVE-2026-23199 procfs: avoid fetching build ID while holding VMA lock

In the Linux kernel, the following vulnerability has been resolved: procfs: avoid fetching build ID while holding VMA lock Fix PROCMAPQUERY to fetch optional build ID only after dropping mmaplock or per-VMA lock, whichever was used to lock VMA under question, to avoid deadlock reported by syzbot:...

Linux Distros Unpatched Vulnerability : CVE-2026-23199

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - procfs: avoid fetching build ID while holding VMA lock Fix PROCMAPQUERY to fetch optional build ID only after dropping mmaplock or per-VMA lock, whichever was...