CVE-2026-43359

A flaw was found in the Linux kernel's Btrfs file system. A local malicious user, who owns a subvolume, can exploit an item overflow vulnerability when repeatedly calling the set received ioctl with the same received UUID field for multiple subvolumes. This can trigger a transaction abort, leadin...

CVE-2026-43359

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix transaction abort on set received ioctl due to item overflow If the set received ioctl fails due to an item overflow when attempting to add the BTRFSUUIDKEYRECEIVEDSUBVOL we have to abort the transaction since we did...

CVE-2026-43359

The CVE-2026-43359 detail points to a Linux kernel Btrfs issue: when calling the set received ioctl, repeated use of the same received UUID on multiple subvolumes could overflow metadata and abort the transaction, forcing the filesystem into read-only mode. The root cause is an item overflow duri...

PT-2026-39020

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the btrfs component where the 'set received' ioctl can trigger a transaction abort due to an item overflow when adding the BTRFS UUID KEY RECEIVED SUBVOL. A user who...