1185 matches found
EUVD-2022-55795
In the Linux kernel, the following vulnerability has been resolved: btrfs: set generation before calling btrfscleantreeblock in btrfsinitnewbuffer syzbot is reporting uninit-value in btrfscleantreeblock 1, for commit bc877d285ca3dba2 "btrfs: Deduplicate extentbuffer init code" missed that...
EUVD-2022-55815
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...
EUVD-2022-55759
In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...
CVE-2023-54121
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...
CVE-2023-54069
In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...
CVE-2022-50746
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...
CVE-2022-50746
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...
UBUNTU-CVE-2023-54121
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...
UBUNTU-CVE-2022-50746
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...
CVE-2023-54069
In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...
UBUNTU-CVE-2023-54069
In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUG in ext4mbnewinodepa due to overflow When we calculate the end position of ext4freeextent, this position may be exactly where ext4lblkt i.e. uint overflows. For example, if acgex.felogical is 4294965248 and...
CVE-2022-50766
In the Linux kernel, the following vulnerability has been resolved: btrfs: set generation before calling btrfscleantreeblock in btrfsinitnewbuffer syzbot is reporting uninit-value in btrfscleantreeblock 1, for commit bc877d285ca3dba2 "btrfs: Deduplicate extentbuffer init code" missed that...
CVE-2023-54121
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...
UBUNTU-CVE-2022-50730
In the Linux kernel, the following vulnerability has been resolved: ext4: silence the warning when evicting inode with dioreadnolock When evicting an inode with default dioreadnolock, it could be raced by the unwritten extents converting kworker after writeback some new allocated dirty blocks. It...
CVE-2023-54121
CVE-2023-54121 affects the Linux kernel's btrfs extent_map handling. The bug in btrfs_drop_extent_map_range can miscalculate the length when skipping a pinned extent, leading to a faulty split of the next extent and creating an invalid extent_map that may overlap other entries and disrupt block c...
CVE-2023-54121 btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...
CVE-2023-54121 btrfs: fix incorrect splitting in btrfs_drop_extent_map_range
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...
CVE-2022-50766
Summary: CVE-2022-50766 is a Linux kernel vulnerability in the Btrfs path. Reported to affect the Btrfs init flow, where generation data was incorrectly handled in btrfs_init_new_buffer, leading to uninitialized reads in btrfs_clean_tree_block. The root cause is that btrfs_set_header_generation()...
CVE-2022-50746 erofs: validate the extent length for uncompressed pclusters
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...
CVE-2022-50746 erofs: validate the extent length for uncompressed pclusters
In the Linux kernel, the following vulnerability has been resolved: erofs: validate the extent length for uncompressed pclusters syzkaller reported a KASAN use-after-free: https://syzkaller.appspot.com/bug?extid=2ae90e873e97f1faf6f2 The referenced fuzzed image actually has two issues: - mpa == 0 ...