CVE-2022-50673 ext4: fix use-after-free in ext4_orphan_cleanup

In the Linux kernel, the following vulnerability has been resolved: ext4: fix use-after-free in ext4orphancleanup I caught a issue as follows: ================================================================== BUG: KASAN: use-after-free in listaddvalid+0x28/0x1a0 Read of size 8 at addr...

CVE-2022-50673

The CVE-2022-50673 issue affects the Linux kernel ext4 file system and is described as a use-after-free in ext4_orphan_cleanup. Root cause: ext4_inode_attach_jinode() returns an error but the value is not propagated, enabling a use-after-free when adding an inode to EXT4_SB(sb)->s_orphan a sec...

CVE-2022-50668 ext4: fix deadlock due to mbcache entry corruption

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2022-50668 ext4: fix deadlock due to mbcache entry corruption

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2022-50668

Summary: CVE-2022-50668 is a Linux kernel ext4 mbcache deadlock issue caused by a non-atomic update of the e_reusable bit in a shared bitfield, which can lead to infinite retries in ext4_xattr_block_set() when manipulating xattr blocks. The fix uses atomic bit operations to prevent the race with ...

CVE-2022-50668

In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock due to mbcache entry corruption When manipulating xattr blocks, we can deadlock infinitely looping inside ext4xattrblockset where we constantly keep finding xattr block for reuse in mbcache but we are unable to...

CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

DEBIAN-CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

DEBIAN-CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

UBUNTU-CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

UBUNTU-CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

SUSE CVE-2022-50622

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4fcrecordmodifiedinode As krealloc may return NULL, in this case 'state-fcmodifiedinodes' may not be freed by krealloc, but 'state-fcmodifiedinodes' already set NULL. Then will lead to...

CVE-2023-53813

CVE-2023-53813 concerns linux kernel ext4 preallocation handling. The issue arises in ext4 during PA (preallocated area) search in the per-inode rb-tree: a direct traversal can miss entries because ext4_mb_discard_group_preallocation() may concurrently delete a PA, potentially causing a BUG_ON wh...

CVE-2023-53813 ext4: fix rbtree traversal bug in ext4_mb_use_preallocated

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2023-53813 ext4: fix rbtree traversal bug in ext4_mb_use_preallocated

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2022-50638 ext4: fix bug_on in __es_tree_search caused by bad boot loader inode

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...

CVE-2022-50638

CVE-2022-50638 (Linux kernel) concerns an ext4 bug_on due to a boot loader inode corruption during ioctl-based swap of boot loader inodes, causing a kernel BUG in ext4_es_end via ext4 extents logic. The issue is triggered when boot loader inode is invalid or not a normal file (S_IFREG) and extent...

CVE-2022-50638

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bugon in estreesearch caused by bad boot loader inode We got a issue as fllows: ================================================================== kernel BUG at fs/ext4/extentsstatus.c:203! invalid opcode: 0000 1 PREEMP...