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-2025-68373

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-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,...

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-2025-68373

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-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,...

AZL-73162 CVE-2025-68374 affecting package kernel 6.6.157.1-1

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,...

UBUNTU-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,...

UBUNTU-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-2025-68374 md: fix rcu protection in md_wakeup_thread

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-2025-68374

CVE-2025-68374 : In the Linux kernel, the md subsystem had an RCU protection issue around md_wakeup_thread. The pointer to the md thread was passed directly to md_wakeup_thread() before rcu_read_lock() was taken, meaning the RCU read-side protection could be bypassed and potentially lead to a use...

CVE-2025-68374 md: fix rcu protection in md_wakeup_thread

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

Summary: CVE-2025-68373 relates to the Linux kernel md subsystem where a race can trigger use-after-free in del_gendisk during reconfig, leading to a fault (non-canonical address 0xdead000000000122) as shown in the stack trace. The provided patches introduce a new flag, MD_DO_DELETE, to prevent t...

CVE-2025-68373 md: avoid repeated calls to del_gendisk

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-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...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from improper RCU protection in mdwakeupthread, which could lead to reuse after release...

CVE-2023-54123: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix memleak for 'conf-biosplit' In the error path of raid10run, 'conf' need be freed, however, 'conf-biosplit' is missed and memory will be leaked. Since there are 3 places to free 'conf', factor out a helper to fix th...

CVE-2022-50715: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: md/raid1: stop mdxraid1 thread when raid1 array run failed fail run raid1 array when we assemble array with the inactive disk only, but the mdxraid1 thread were not stop, Even if the associated resources have been released. it wi...