UBUNTU-CVE-2024-49885

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

CVE-2024-49885 mm, slub: avoid zeroing kmalloc redzone

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

CVE-2024-49885

CVE-2024-49885: Linux kernel mm/slub kmalloc redzone issue resolved. Root cause: orig_size handling treated wasted space as redzone and, with init_on_free=1, clears full object->size including metadata, causing check_object() to misclassify the object as redzone. Fix: clear the used area using...

CVE-2024-49885 mm, slub: avoid zeroing kmalloc redzone

In the Linux kernel, the following vulnerability has been resolved: mm, slub: avoid zeroing kmalloc redzone Since commit 946fa0dbf2d8 "mm/slub: extend redzone check to extra allocated kmalloc space than requested", setting origsize treats the wasted space objectsize - origsize as a redzone. Howev...

PT-2024-36871

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.1-1 Description The issue is related to list corruption when removing a slab from the full list in the Linux kernel. If an allocated object fails in alloc consistency checks, all objects of the slab will be...

kernel: powerpc/pseries: Whitelist dtl slub object for copying to userspace

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu- results in a BUG when the config CONFIGHARDENEDUSERCOPY is enabled as shown below. kernel...

kernel: mm, slub: fix potential memoryleak in kmem_cache_open()

A potential memory leak was found in the Linux kernel, in kmemcacheopen. This issue may lead to compromised system availability...

CVE-2024-46789

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add check for s-flags in the alloctaggingslabfreehook When enable CONFIGMEMCG & CONFIGKFENCE & CONFIGKMEMLEAK, the following warning always occurs,This is because the following call stack occurred: mempoolalloc...

CVE-2024-46789

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add check for s-flags in the alloctaggingslabfreehook When enable CONFIGMEMCG & CONFIGKFENCE & CONFIGKMEMLEAK, the following warning always occurs,This is because the following call stack occurred: mempoolalloc...

DEBIAN-CVE-2024-46789

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add check for s-flags in the alloctaggingslabfreehook When enable CONFIGMEMCG & CONFIGKFENCE & CONFIGKMEMLEAK, the following warning always occurs,This is because the following call stack occurred: mempoolalloc...

CVE-2024-46789 mm/slub: add check for s->flags in the alloc_tagging_slab_free_hook

In the Linux kernel, the following vulnerability has been resolved: mm/slub: add check for s-flags in the alloctaggingslabfreehook When enable CONFIGMEMCG & CONFIGKFENCE & CONFIGKMEMLEAK, the following warning always occurs,This is because the following call stack occurred: mempoolalloc...

CVE-2024-46789

CVE-2024-46789 (Linux kernel) details from connected documents show a concrete fix: in mm/slub, the tagging logic now checks s->flags in alloc_tagging_slab_free_hook to avoid calling alloc_tag_add when SLAB_NO_OBJ_EXT or SLAB_NOLEAKTRACE are set. This prevents the NULL ref (ref->ct) and the...

SUSE CVE-2024-44973

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

DEBIAN-CVE-2024-44973

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

UBUNTU-CVE-2024-44973

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

CVE-2024-44973

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

CVE-2024-44973 mm, slub: do not call do_slab_free for kfence object

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

CVE-2024-44973

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

CVE-2024-44973 mm, slub: do not call do_slab_free for kfence object

In the Linux kernel, the following vulnerability has been resolved: mm, slub: do not call doslabfree for kfence object In 782f8906f805 the freeing of kfence objects was moved from deep inside doslabfree to the wrapper functions outside. This is a nice change, but unfortunately it missed one spot ...

CVE-2024-44973

The CVE-2024-44973 vulnerability in the Linux kernel concerns the SLUB allocator when freeing kfence objects. The issue arose because the kfence object free path was moved out of do_slab_free but one spot in __kmem_cache_free_bulk was missed, risking a crash (example stack trace shown in the init...