dm cache: fix out-of-bounds access to the dirty bitset when resizing

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SUSE CVE-2024-50279

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix out-of-bounds access to the dirty bitset when resizing dm-cache checks the dirty bits of the cache blocks to be dropped when shrinking the fast device, but an index bug in bitset iteration causes out-of-bounds acces...

DEBIAN-CVE-2024-50280

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix flushing uninitialized delayedwork on cachectr error An unexpected WARNON from flushwork may occur when cache creation fails, caused by destroying the uninitialized delayedwork waker in the error path of cachecreate...

DEBIAN-CVE-2024-50279

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix out-of-bounds access to the dirty bitset when resizing dm-cache checks the dirty bits of the cache blocks to be dropped when shrinking the fast device, but an index bug in bitset iteration causes out-of-bounds acces...

UBUNTU-CVE-2024-50280

In the Linux kernel, the following vulnerability has been resolved: dm cache: fix flushing uninitialized delayedwork on cachectr error An unexpected WARNON from flushwork may occur when cache creation fails, caused by destroying the uninitialized delayedwork waker in the error path of cachecreate...

kernel: dm cache: free background tracker's queued work in btracker_destroy

A memory leak was found in the device-mapper cache target in the Linux kernel. The btrackerdestroy function fails to free queued work items from the background tracker before destroying the slab cache. This triggers a BUG when kmemcacheshutdown finds objects still remaining...

kernel: dm cache: free background tracker's queued work in btracker_destroy

A memory leak was found in the device-mapper cache target in the Linux kernel. The btrackerdestroy function fails to free queued work items from the background tracker before destroying the slab cache. This triggers a BUG when kmemcacheshutdown finds objects still remaining...

PT-2025-49495

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.0.0-rc2 19 Description The Linux kernel contains an issue within the dm cache component. Specifically, the background tracker's queued work is not properly freed in the btracker destroy function. This can lead ...