CVE-2024-49983

In the Linux kernel, the following vulnerability has been resolved: ext4: drop ppath from ext4extreplayupdateex to avoid double-free When calling ext4forcesplitextentat in ext4extreplayupdateex, the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free i...

CVE-2024-49882

In the Linux kernel, the following vulnerability has been resolved: ext4: fix double brelse the buffer of the extents path In ext4exttrytomergeup, set path1.pbh to NULL after it has been released, otherwise it may be released twice. An example of what triggers this is as follows: split2 map split...

AZL-51489 CVE-2024-49889 affecting package kernel for versions less than 5.15.173.1-1

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid use-after-free in ext4extshowleaf In ext4findextent, path may be freed by error or be reallocated, so using a previously saved ppath may have been freed and thus may trigger use-after-free, as follows: ext4splitextent...

CVE-2024-49983 ext4: drop ppath from ext4_ext_replay_update_ex() to avoid double-free

In the Linux kernel, the following vulnerability has been resolved: ext4: drop ppath from ext4extreplayupdateex to avoid double-free When calling ext4forcesplitextentat in ext4extreplayupdateex, the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free i...

CVE-2024-49967

CVE-2024-49967 entry is rejected/not used and does not represent an active vulnerability.

CVE-2024-47701 ext4: avoid OOB when system.data xattr changes underneath the filesystem

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesystem When looking up for an entry in an inlined directory, if evalueoffs is changed underneath the filesystem by some change in the block device, it will lead to...

CVE-2024-47701 ext4: avoid OOB when system.data xattr changes underneath the filesystem

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid OOB when system.data xattr changes underneath the filesystem When looking up for an entry in an inlined directory, if evalueoffs is changed underneath the filesystem by some change in the block device, it will lead to...

kernel: ext4: do not create EA inode under buffer lock

A vulnerability was found in the Linux kernel's ext4 filesystem, where the system could create EA inodes while holding a buffer lock, this approach can lead to deadlocks, especially if the filesystem is corrupted...

kernel: ext4: fix double-free of blocks due to wrong extents moved_len

A vulnerability was found in the Linux kernel. This issue occurs in the ext4 function, in ext4moveextents, where an error in updating the movedlen variable can lead to double-free of blocks and corrupt block accounting. This could lead to crashes or undefined behavior...

CVE-2024-43898

Removed by vendor...

CVE-2024-42304

In the Linux kernel, the following vulnerability has been resolved: ext4: make sure the first directory block is not a hole The syzbot constructs a directory that has no dirblock but is non-inline, i.e. the first directory block is a hole. And no errors are reported when creating files in this...

CVE-2024-42305

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42305

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42305 ext4: check dot and dotdot of dx_root before making dir indexed

In the Linux kernel, the following vulnerability has been resolved: ext4: check dot and dotdot of dxroot before making dir indexed Syzbot reports a issue as follows: ============================================ BUG: unable to handle page fault for address: ffffed11022e24fe PGD 23ffee067 P4D...

CVE-2024-42304

CVE-2024-42304 (Linux kernel ext4) : The vulnerability arises when the first directory block is a hole in non-inline directories, causing ext4_read_dirblock to mis-handle a hole read and potentially crash code that relies on "." and "..". The fix prevents loading corrupted data by reporting files...

CVE-2024-40972

In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4xattrsetentry creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as it nests all the allocation locking which acquires locks on othe...

CVE-2024-40955

A slab-out-of-bounds vulnerability was found in the ext4 filesystem of the Linux kernel. This issue occurs when an excessively large value is set for smbgroupprealloc, leading to out-of-bounds reads in the ext4mbfindgoodgroupavgfraglists function. This issue can be triggered by setting a high...

UBUNTU-CVE-2024-40998

In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimitstate-lock access in ext4fillsuper In the following concurrency we will access the uninitialized rs-lock: ext4fillsuper ext4registersysfs // sysfs registered msgratelimitintervalms // Other...

CVE-2024-39276 ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()

In the Linux kernel, the following vulnerability has been resolved: ext4: fix mbcacheentry's erefcnt leak in ext4xattrblockcachefind Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbcache.c:419 mbcachedestroy+0x224/0x290 Modules...

CVE-2022-48712

In the Linux kernel, the following vulnerability has been resolved: ext4: fix error handling in ext4fcrecordmodifiedinode Current code does not fully takes care of krealloc error case, which could lead to silent memory corruption or a kernel bug. This patch fixes that. Also it cleans up some...