CVE-2024-35797

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...

CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-35797: Out-of-bounds Write

In the Linux kernel, the following vulnerability has been resolved: mm: cachestat: fix two shmem bugs When cachestat on shmem races with swapping and invalidation, there are two possible bugs: 1 A swapin error can have resulted in a poisoned swap entry in the shmem inode's xarray. Calling...

kernel security and bug fix update

5.14.0-427.16.14.OL9 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug:...

CVE-2024-26960

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

CVE-2024-27007

The CVE-2024-27007 issue affects the Linux kernel’s userfaultfd handling, specifically the UFFDIO_MOVE path. The root cause described across connected docs is a change to the src_folio (mapping/index) after clearing the page tables and ensuring it is not pinned, introduced by a commit intended to...

CVE-2024-26987

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix deadlock when hugetlboptimizevmemmap is enabled When I did hard offline test with hugetlb pages, below deadlock occurs: ====================================================== WARNING: possible circular...

CVE-2024-26987 mm/memory-failure: fix deadlock when hugetlb_optimize_vmemmap is enabled

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix deadlock when hugetlboptimizevmemmap is enabled When I did hard offline test with hugetlb pages, below deadlock occurs: ====================================================== WARNING: possible circular...

CVE-2024-26960 mm: swap: fix race between free_swap_and_cache() and swapoff()

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

CVE-2024-26960 mm: swap: fix race between free_swap_and_cache() and swapoff()

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

CVE-2024-26960: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: mm: swap: fix race between freeswapandcache and swapoff There was previously a theoretical window where swapoff could run and teardown a swapinfostruct while a call to freeswapandcache was running in another thread. This could...

CVE-2022-48659

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

CVE-2022-48658

In the Linux kernel, the following vulnerability has been resolved: mm: slub: fix flushcpuslab/freeslab invocations in task context. Commit 5a836bf6b09f "mm: slub: move flushcpuslab invocations freeslab invocations out of IRQ context" moved all flushcpuslab invocations to the global workqueue to...

CVE-2022-48649

In the Linux kernel, the following vulnerability has been resolved: mm/slabcommon: fix possible double free of kmemcache When doing slubdebug test, kfence's 'testmemcachetypesafebyrcu' kunit test case cause a use-after-free error: BUG: KASAN: use-after-free in kobjectdel+0x14/0x30 Read of size 8 ...

CVE-2022-48659

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

UBUNTU-CVE-2022-48659

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

CVE-2022-48659 mm/slub: fix to return errno if kmalloc() fails

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

CVE-2022-48659 mm/slub: fix to return errno if kmalloc() fails

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

CVE-2022-48659

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...

CVE-2022-48659 mm/slub: fix to return errno if kmalloc() fails

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc fails In createuniqueid, kmalloc, GFPKERNEL can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUGON; kernel BUG at mm/slub.c:5893! Internal...