Linux Distros Unpatched Vulnerability : CVE-2026-89655

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During th...

DEBIAN-CVE-2026-89655

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

AZL-100904 CVE-2026-89655 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

CVE-2026-89655

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

UBUNTU-CVE-2026-89655

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

EUVD-2026-76567

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

CVE-2026-89655 ceph: fix UAF in __kick_flushing_caps() on cf entry freed during unlock

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

CVE-2026-89655

A use-after-free (UAF) vulnerability exists in the Linux kernel's Ceph file system component, specifically in the __kick_flushing_caps() function. The root cause is a race condition : the function iterates over ci->i_cap_flush_list using list_for_each_entry() but drops i_ceph_lock to send cap ...

CVE-2026-89655

In the Linux kernel, the following vulnerability has been resolved: ceph: fix UAF in kickflushingcaps on cf entry freed during unlock listforeachentry iterates ci-icapflushlist but drops icephlock to send cap messages. During the unlock window, handlecapflushack can acquire icephlock, detach cf...

PT-2026-90371

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the ceph component of the Linux kernel. The kick flushing caps function iterates through the ci-i cap flush list using list for each entry but releas...