AZL-102111 CVE-2026-90389 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: md: scope memallocnoio to allocation critical sections Storing a memallocnoiosave token in mddev-noioflags lets one task save the token and another task restore it. With concurrent suspend sysfs writes, task A can enter...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed a deadlock between mddevsuspend and flush Bio A deadlock occurs when mddev is suspended while some of the flush Bio operations are still in progress. This is a complex issue. T1: The first flush occurs at the end of...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: md: fixed the UAF issue when iterating the allmddevs list While iterating the allmddevs list from mdnotifyreboot and mdexit, the listforeachentry Safe mechanism is used. This can lead to a race condition with deletint, causing...

DEBIAN-CVE-2026-89557

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

UBUNTU-CVE-2026-89558

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix stilldegraded being inverted in raid10syncrequest Commit fe6a19d40ceb "md/md-bitmap: merge mdbitmapstartsync into bitmapoperations" converted stilldegraded from int to bool, but inverted the assignment in the loop...

CVE-2026-89557 md: do overflow check for sb->bblog_shift in super_1_load()

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89557 md: do overflow check for sb->bblog_shift in super_1_load()

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

EUVD-2026-76468

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

CVE-2026-89557

CVE-2026-89557 affects the Linux kernel md (Multiple Device) driver . In super_1_load(), the field sb->bblog_shift is an 8-bit value (range 0–255) read from an on-disk superblock. Before the fix, this value was used directly as a shift amount on a 64-bit sector variable without bounds checking...

CVE-2026-89557

In the Linux kernel, the following vulnerability has been resolved: md: do overflow check for sb-bblogshift in super1load In super1load, sb-bblogshift is an u8 type value loaded from on- disk superblock. It is used for badblocks API badblocksset by the following sequence, 1930 rdev-badblocks.shif...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: In the md subsystem, there was a issue where the “activeio” value was not properly released after the submitflushes function was called. This caused the “activeio” value to remain unreleased, leading to a situation where...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: md: made rdevaddable usable for rcu mode Our testcase triggered a panic: BUG: kernel NULL pointer dereference, address: 00000000000000e0 … Oops: 0000 1 SMP NOPTI CPU: 2 UID: 0 PID: 85 Comm: kworker/2:1 Not tainted 6.16.0+ 94...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-53817: crypto: lib/mpi - avoid null pointer deref in mpicmpui bsc1254992. CVE-2025-39748: bpf: Forget ranges when refining tnum after JSET bsc1249587...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2026-1366)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : tcpbpf: Call skmsgfree when tcpbpfsendverdict fails to allocate psock-cork.CVE-2025-39913 md: fix rcu protection in mdwakeupthreadCVE-2025-68374...

SUSE CVE-2025-68373

In the Linux kernel, the following vulnerability has been resolved: md: avoid repeated calls to delgendisk There is a uaf problem which is found by case 23rdev-lifetime: Oops: general protection fault, probably for non-canonical address 0xdead000000000122 RIP: 0010:bdiunregister+0x4b/0x170 Call...

CVE-2022-50752 md/raid5: Remove unnecessary bio_put() in raid5_read_one_chunk()

In the Linux kernel, the following vulnerability has been resolved: md/raid5: Remove unnecessary bioput in raid5readonechunk When running chunk-sized reads on disks with badblocks duplicate bio free/puts are observed: ============================================================================= B...

EUVD-2025-205081

In the Linux kernel, the following vulnerability has been resolved: md: avoid repeated calls to delgendisk There is a uaf problem which is found by case 23rdev-lifetime: Oops: general protection fault, probably for non-canonical address 0xdead000000000122 RIP: 0010:bdiunregister+0x4b/0x170 Call...

EUVD-2025-205086

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-2025-68374

In the Linux kernel, the following vulnerability has been resolved: md: fix rcu protection in mdwakeupthread We attempted to use RCU to protect the pointer 'thread', but directly passed the value when calling mdwakeupthread. This means that the RCU pointer has been acquired before rcureadlock,...

CVE-2025-68373

In the Linux kernel, the following vulnerability has been resolved: md: avoid repeated calls to delgendisk There is a uaf problem which is found by case 23rdev-lifetime: Oops: general protection fault, probably for non-canonical address 0xdead000000000122 RIP: 0010:bdiunregister+0x4b/0x170 Call...