CVE-2021-47275

CVE-2021-47275 concerns the Linux kernel w.r.t. the bcache cache-miss path. In cached_dev_cache_miss(), the calculation of the read size for missing cache data can overflow the 16-bit size field embedded in the bkey (via the sectors value), causing oversized inserts into the internal B+ tree. Thi...

CVE-2021-47256 mm/memory-failure: make sure wait for page writeback in memory_failure

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: make sure wait for page writeback in memoryfailure Our syzkaller trigger the "BUGON!listempty&inode-iwblist" in clearinode: kernel BUG at fs/inode.c:519! Internal error: Oops - BUG: 0 1 SMP Modules linked in:...

SUSE CVE-2024-35947

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser Fix a BUGON from 2009. Even if it looks "unreachable" I didn't really look, lets make sure by removing it, doing prerr and return -EINVAL instead...

CVE-2024-35947

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser Fix a BUGON from 2009. Even if it looks "unreachable" I didn't really look, lets make sure by removing it, doing prerr and return -EINVAL instead...

CVE-2024-35947 dyndbg: fix old BUG_ON in >control parser

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser Fix a BUGON from 2009. Even if it looks "unreachable" I didn't really look, lets make sure by removing it, doing prerr and return -EINVAL instead...

CVE-2024-35947 dyndbg: fix old BUG_ON in >control parser

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser Fix a BUGON from 2009. Even if it looks "unreachable" I didn't really look, lets make sure by removing it, doing prerr and return -EINVAL instead...

CVE-2024-26955 nilfs2: prevent kernel bug at submit_bh_wbc()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: prevent kernel bug at submitbhwbc Fix a bug where nilfsgetblock returns a successful status when searching and inserting the specified block both fail inconsistently. If this inconsistent behavior is not due to a previous...

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-2024-26850

In the Linux kernel, the following vulnerability has been resolved: mm/debugvmpgtable: fix BUGON with pud advanced test Architectures like powerpc add debug checks to ensure we find only devmap PUD pte entries. These debug checks are only done with CONFIGDEBUGVM. This patch marks the ptes used fo...

CVE-2024-26709 powerpc/iommu: Fix the missing iommu_group_put() during platform domain attach

In the Linux kernel, the following vulnerability has been resolved: powerpc/iommu: Fix the missing iommugroupput during platform domain attach The function spaprtceplatformiommuattachdev is missing to call iommugroupput when the domain is already set. This refcount leak shows up with BUGON during...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

CVE-2021-46988 userfaultfd: release page in error path to avoid BUG_ON

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

CVE-2021-46988

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

CVE-2021-46957

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sysread traced by kprobe The execution of sysread end up hitting a BUGON in findgetblock after installing kprobe at sysread, the BUG message like the following: 65.708663 ------------...

CVE-2021-46957 riscv/kprobe: fix kernel panic when invoking sys_read traced by kprobe

In the Linux kernel, the following vulnerability has been resolved: riscv/kprobe: fix kernel panic when invoking sysread traced by kprobe The execution of sysread end up hitting a BUGON in findgetblock after installing kprobe at sysread, the BUG message like the following: 65.708663 ------------...

CVE-2023-1077

In the Linux kernel, picknextrtentity may return a type confused entry, not detected by the BUGON condition, as the confused entry will not be NULL, but listhead.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused...

GSD-2023-1001249 ext4: fix bug_on in __es_tree_search caused by bad quota inode

ext4: fix bugon in estreesearch caused by bad quota inode This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.10.163 by commit...

GSD-2023-1000879 ext4: fix bug_on in __es_tree_search caused by bad boot loader inode

ext4: fix bugon in estreesearch caused by bad boot loader inode This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.15.87 by commit...

GSD-2023-1000408 ext4: fix bug_on in __es_tree_search caused by bad quota inode

ext4: fix bugon in estreesearch caused by bad quota inode This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.18 by commit...

GSD-2023-1000405 ext4: fix bug_on in __es_tree_search caused by bad boot loader inode

ext4: fix bugon in estreesearch caused by bad boot loader inode This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.0.18 by commit...