UBUNTU-CVE-2025-21966

In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corruptbiobyte feature Fix memory corruption due to incorrect parameter being passed to bioinit...

CVE-2025-21966 dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature

In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corruptbiobyte feature Fix memory corruption due to incorrect parameter being passed to bioinit...

CVE-2025-21966 dm-flakey: Fix memory corruption in optional corrupt_bio_byte feature

In the Linux kernel, the following vulnerability has been resolved: dm-flakey: Fix memory corruption in optional corruptbiobyte feature Fix memory corruption due to incorrect parameter being passed to bioinit...

kernel: dm flakey: don't corrupt the zero page

A flaw was found in the Linux kernel's dm-flakey device mapper target. When the corrupt bio writes option is enabled, dm-flakey can corrupt the kernel's global zero page. Since the zero page is shared system-wide and used by glibc's calloc implementation via mmap, corrupting it causes userspace...

kernel: dm flakey: fix a crash with invalid table line

A flaw was identified in the device-mapper “dm flakey” target in the Linux kernel where invalid table line input can lead to a NULL pointer dereference. Specifically, when dmsetup is used with a malformed table line such as with the corruptbiobyte target and the argname pointer is NULL, the kerne...

PT-2025-54163

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel where the zero page can be corrupted when using dm-flakey with corrupt bio writes enabled. This corruption occurs because the blkdev issue zero pages...