CVE-2022-49879

In the Linux kernel, the following vulnerability has been resolved: ext4: fix BUGON when directory entry has invalid reclen The reclen field in the directory entry has to be a multiple of 4. A corrupted filesystem image can be used to hit a BUG in ext4reclentodisk, called from makeindexeddir...

DEBIAN-CVE-2022-49822

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix connections leak when tlink setup failed If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit. Also leak the fscache info, and for next mount with fsc, it...

UBUNTU-CVE-2022-49912

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix ulist leaks in error paths of qgroup self tests In the testnosharedqgroup and testmultiplerefs qgroup self tests, if we fail to add the tree ref, remove the extent item or remove the extent ref, we are returning from t...

UBUNTU-CVE-2022-49927

In the Linux kernel, the following vulnerability has been resolved: nfs4: Fix kmemleak when allocate slot failed If one of the slot allocate failed, should cleanup all the other allocated slots, otherwise, the allocated slots will leak: unreferenced object 0xffff8881115aa100 size 64: comm...

UBUNTU-CVE-2022-49822

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix connections leak when tlink setup failed If the tlink setup failed, lost to put the connections, then the module refcnt leak since the cifsd kthread not exit. Also leak the fscache info, and for next mount with fsc, it...

CVE-2022-49913

CVE-2022-49913 concerns a memory leak in the Linux kernel’s btrfs backref walking code. During find_parent_nodes() on data extents, if an error occurs while resolving indirect backrefs (resolve_indirect_refs()) or while iterating direct refs in the rbtree, inode lists attached to direct refs not ...

CVE-2022-49880 ext4: fix warning in 'ext4_da_release_space'

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in 'ext4dareleasespace' Syzkaller report issue as follows: EXT4-fs loop0: Free/Dirty block details EXT4-fs loop0: freeblocks=0 EXT4-fs loop0: dirtyblocks=0 EXT4-fs loop0: Block reservation details EXT4-fs loop0:...

CVE-2022-49879

CVE-2022-49879 affects the Linux kernel ext4 code. A corrupted directory entry where rec_len is invalid (not a multiple of 4) can cause a kernel BUG() in ext4_rec_len_to_disk() called from make_indexed_dir(). The fix adds a validation step via ext4_check_dir_entry(), returning -EFSCORRUPTED for i...

DEBIAN-CVE-2025-37741

In the Linux kernel, the following vulnerability has been resolved: jfs: Prevent copying of nlink with value 0 from disk inode syzbot report a deadlock in diFree. 1 When calling "ioctl$LOOPSETSTATUS64", the offset value passed in is 4, which does not match the mounted loop device, causing the...

DEBIAN-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

UBUNTU-CVE-2025-37740

In the Linux kernel, the following vulnerability has been resolved: jfs: add sanity check for agwidth in dbMount The width in dmapctl of the AG is zero, it trigger a divide error when calculating the control page level in dbAllocAG. To avoid this issue, add a check for agwidth in dbAllocAG...

UBUNTU-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

CVE-2025-37779 lib/iov_iter: fix to increase non slab folio refcount

In the Linux kernel, the following vulnerability has been resolved: lib/ioviter: fix to increase non slab folio refcount When testing EROFS file-backed mount over v9fs on qemu, I encountered a folio UAF issue. The page sanity check reports the following call trace. The root cause is that pages in...

CVE-2025-37773 virtiofs: add filesystem context source name check

In the Linux kernel, the following vulnerability has been resolved: virtiofs: add filesystem context source name check In certain scenarios, for example, during fuzz testing, the source name may be NULL, which could lead to a kernel panic. Therefore, an extra check for the source name should be...

CVE-2025-37739

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid out-of-bounds access in f2fstruncateinodeblocks syzbot reports an UBSAN issue as below: ------------ cut here ------------ UBSAN: array-index-out-of-bounds in fs/f2fs/node.h:381:10 index 18446744073709550692 is...

CVE-2025-23150 ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

CVE-2025-23150 ext4: fix off-by-one error in do_split

In the Linux kernel, the following vulnerability has been resolved: ext4: fix off-by-one error in dosplit Syzkaller detected a use-after-free issue in ext4insertdentry that was caused by out-of-bounds access due to incorrect splitting in dosplit. BUG: KASAN: use-after-free in...

PT-2025-18566 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability has been resolved in the Linux kernel related to the btrfs file system. The issue involves a failed assertion in the dev args match device function, which can be...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from btrfs not initializing device zone information, which could lead to null pointer dereference...

CVE-2025-43595: Incorrect Default Permissions

An insecure file system permissions vulnerability in MSP360 Backup 4.3.1.115 allows a low privileged user to execute commands with root privileges in the 'Online Backup' folder. Upgrade to MSP360 Backup 4.4 released on 2025-04-22...