EUVD-2026-32850

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

CVE-2026-46223 cgroup: Defer css percpu_ref kill on rmdir until cgroup is depopulated

In the Linux kernel, the following vulnerability has been resolved: cgroup: Defer css percpuref kill on rmdir until cgroup is depopulated A chain of commits going back to v7.0 reworked rmdir to satisfy the controller invariant that a subsystem's -cssoffline must not run while tasks are still doin...

Linux Distros Unpatched Vulnerability : CVE-2026-45955

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: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout...

EUVD-2026-32239

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

CVE-2026-45955

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

UBUNTU-CVE-2026-45880

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vminsertpage fails When vminsertpage fails in p2pmemallocmmap, p2pmemallocmmap doesn't invoke percpurefput to free the per-CPU ref of pgmap acquired after genpoolallocowner, and...

UBUNTU-CVE-2026-45955

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

CVE-2026-45955 md/md-llbitmap: fix percpu_ref not resurrected on suspend timeout

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

CVE-2026-45955

Summary (CVE-2026-45955): In the Linux kernel, the md/md-llbitmap path suffers a logic error where llbitmap_suspend_timeout() times out waiting for percpu_ref to reach zero and returns -ETIMEDOUT without resurrecting percpu_ref. This leaves the page control structure in a killed state, potentiall...

CVE-2026-45955 md/md-llbitmap: fix percpu_ref not resurrected on suspend timeout

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

CVE-2026-45880 PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vminsertpage fails When vminsertpage fails in p2pmemallocmmap, p2pmemallocmmap doesn't invoke percpurefput to free the per-CPU ref of pgmap acquired after genpoolallocowner, and...

CVE-2026-45880

CVE-2026-45880 – Linux kernel PCI/P2PDMA issue : When vm_insert_page() fails during p2pmem_alloc_mmap(), the code does not release the per-CPU ref for pgmap acquired after gen_pool_alloc_owner(), causing memunmap_pages() to hang when removing a PCI device. The patch fixes this by adding the missi...

CVE-2026-45880 PCI/P2PDMA: Release per-CPU pgmap ref when vm_insert_page() fails

In the Linux kernel, the following vulnerability has been resolved: PCI/P2PDMA: Release per-CPU pgmap ref when vminsertpage fails When vminsertpage fails in p2pmemallocmmap, p2pmemallocmmap doesn't invoke percpurefput to free the per-CPU ref of pgmap acquired after genpoolallocowner, and...

CVE-2026-45955

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: fix percpuref not resurrected on suspend timeout When llbitmapsuspendtimeout times out waiting for percpuref to become zero, it returns -ETIMEDOUT without resurrecting the percpuref. The caller mdllbitmapdaemonfn...

PT-2026-43822

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the md/md-llbitmap component where the llbitmap suspend timeout function returns -ETIMEDOUT upon timing out while waiting for percpu ref to reach zero, without...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: xfrm: Update ipcompscratches with NULL when freed Currently, if ipcompallocscratches fails to allocate memory, ipcompscratches holds an obsolete address. Therefore, when we try to free the percpu scratches using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: Bluetooth: hcildisc,serdev: failure in checking percpuinitrwsem syzbot reports a NULL pointer dereferencing at hciuartttyclose 1. For rcusyncenter, percpuinitrwsem is called without rcusyncinit, because hciuartttyopen ignores...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtables: Fixed a block leak of the percpu counter on the error path when creating new netns. This issue occurs at the stack location where the percpu counter block is allocated: +- ip6tregistertable +- translatetable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: alloctag: The ability to dynamically allocate percpu counters for module tags. When a module is unloaded, it checks whether any of its tags are still in use. If so, it keeps the memory containing the module’s allocation tags aliv...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: octeontx2-vf: Added a missing “free” field for “allocpercpu”. Added the “freepercpu” field for the allocated “vf-hw.lmtinfo” in order to avoid memory leaks, similar to the “pf-hw.lmtinfo” in...