Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: md: initbioset in mddevinit. IO operations may be required before mdrun, such as updating metadata after writing to sysfs. Without bioset, this triggers a NULL pointer dereference, as shown below: BUG: NULL pointer dereference in...

CVE-2025-68368

In the Linux kernel, the following vulnerability has been resolved: md: init bioset in mddevinit IO operations may be needed before mdrun, such as updating metadata after writing sysfs. Without bioset, this triggers a NULL pointer dereference as below: BUG: kernel NULL pointer dereference, addres...

SUSE CVE-2025-68368

In the Linux kernel, the following vulnerability has been resolved: md: init bioset in mddevinit IO operations may be needed before mdrun, such as updating metadata after writing sysfs. Without bioset, this triggers a NULL pointer dereference as below: BUG: kernel NULL pointer dereference, addres...

UBUNTU-CVE-2025-68368

In the Linux kernel, the following vulnerability has been resolved: md: init bioset in mddevinit IO operations may be needed before mdrun, such as updating metadata after writing sysfs. Without bioset, this triggers a NULL pointer dereference as below: BUG: kernel NULL pointer dereference, addres...

CVE-2025-68368

In CVE-2025-68368, the Linux kernel vulnerability arises in md: init bioset in mddev_init, where IO operations before md_run() (e.g., metadata updates after sysfs writes) can trigger a NULL pointer dereference if bioset is not initialized. Repro: mdadm -CR /dev/md0 -l1 -n2 /dev/sd[cd]; echo inact...

CVE-2025-68368 md: init bioset in mddev_init

In the Linux kernel, the following vulnerability has been resolved: md: init bioset in mddevinit IO operations may be needed before mdrun, such as updating metadata after writing sysfs. Without bioset, this triggers a NULL pointer dereference as below: BUG: kernel NULL pointer dereference, addres...

CVE-2025-68368 md: init bioset in mddev_init

In the Linux kernel, the following vulnerability has been resolved: md: init bioset in mddevinit IO operations may be needed before mdrun, such as updating metadata after writing sysfs. Without bioset, this triggers a NULL pointer dereference as below: BUG: kernel NULL pointer dereference, addres...

PT-2025-52904

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw within the md subsystem, specifically in the mddev init function. The issue arises because IO operations might be required before md run, such as updatin...