UBUNTU-CVE-2026-45934

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix EEXIST abort due to non-consecutive gaps in chunk allocation I have been observing a number of systems aborting at insertdevextents in btrfscreatependingblockgroups. The following is a sample stack trace of such an abo...

PT-2026-43801

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the btrfs file system can lead to a transaction abort with an EEXIST error Object already exists during chunk allocation. This occurs due to non-consecutive gaps in chunk...

EUVD-2026-26621

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hcisync: hcicmdsyncqueueonce return -EEXIST if exists hcicmdsyncqueueonce needs to indicate whether a queue item was added, so caller can know if callbacks are called, so it can avoid leaking resources. Change the...

CVE-2026-23129 dpll: Prevent duplicate registrations

In the Linux kernel, the following vulnerability has been resolved: dpll: Prevent duplicate registrations Modify the internal registration helpers dpllxarefdpll,pinadd to reject duplicate registration attempts. Previously, if a caller attempted to register the same pin multiple times with the sam...

CVE-2025-40160 xen/events: Return -EEXIST for bound VIRQs

In the Linux kernel, the following vulnerability has been resolved: xen/events: Return -EEXIST for bound VIRQs Change findvirq to return -EEXIST when a VIRQ is bound to a different CPU than the one passed in. With that, remove the BUGON from bindvirqtoirq to propogate the error upwards. Some VIRQ...

AZL-70774 CVE-2025-38678 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: reject duplicate device on updates A chain/flowtable update with duplicated devices in the same batch is possible. Unfortunately, netdev event path only removes the first device that is found, leaving...