CVE-2025-68772

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid updating compression context during writeback Bai, Shuangpeng reported a bug as below: Oops: divide error: 0000 1 SMP KASAN PTI CPU: 0 UID: 0 PID: 11441 Comm: syz.0.46 Not tainted 6.17.0 1 PREEMPTfull Hardware...

UBUNTU-CVE-2025-68767

In the Linux kernel, the following vulnerability has been resolved: hfsplus: Verify inode mode when loading from disk syzbot is reporting that SIFMT bits of inode-imode can become bogus when the SIFMT bits of the 16bits "mode" field loaded from disk are corrupted. According to 1, the permissions...

CVE-2025-71074 functionfs: fix the open/removal races

In the Linux kernel, the following vulnerability has been resolved: functionfs: fix the open/removal races ffsepfileopen can race with removal, ending up with file-privatedata pointing to freed object. There is a total count of opened files on functionfs both ep0 and dynamic ones and when it hits...

CVE-2025-71074 functionfs: fix the open/removal races

In the Linux kernel, the following vulnerability has been resolved: functionfs: fix the open/removal races ffsepfileopen can race with removal, ending up with file-privatedata pointing to freed object. There is a total count of opened files on functionfs both ep0 and dynamic ones and when it hits...

CVE-2025-71069

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-71069 f2fs: invalidate dentry cache on failed whiteout creation

In the Linux kernel, the following vulnerability has been resolved: f2fs: invalidate dentry cache on failed whiteout creation F2FS can mount filesystems with corrupted directory depth values that get runtime-clamped to MAXDIRHASHDEPTH. When RENAMEWHITEOUT operations are performed on such...

CVE-2025-71069

CVE-2025-71069 concerns a race/consistency flaw in F2FS when performing RENAME_WHITEOUT on directories with corrupted depth values. The kernel can partially modify the on-disk directory entry before f2fs_add_link fails, leaving a stale dentry cache (new_dentry points to an inode whose i_nlink was...

CVE-2025-71065 f2fs: fix to avoid potential deadlock

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-68821 fuse: fix readahead reclaim deadlock

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68821

CVE-2025-68821 – Linux kernel fuse deadlock fix Affected component: fuse subsystem in the Linux kernel (FUSE inode/file handling).Root cause: a kernel commit altered release preparation to avoid allocating ff->release_args when the server does not implement open, which led fuse_prepare_release...

CVE-2025-68821

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68821 fuse: fix readahead reclaim deadlock

In the Linux kernel, the following vulnerability has been resolved: fuse: fix readahead reclaim deadlock Commit e26ee4efbc79 "fuse: allocate ff-releaseargs only if release is needed" skips allocating ff-releaseargs if the server does not implement open. However in doing so, fusepreparerelease now...

CVE-2025-68820

In the Linux kernel, the following vulnerability has been resolved: ext4: xattr: fix null pointer deref in ext4rawinode If ext4getinodeloc fails e.g. if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattrinodedecrefall lacks error checking, this will lead to a null pointer...

CVE-2025-68820 ext4: xattr: fix null pointer deref in ext4_raw_inode()

In the Linux kernel, the following vulnerability has been resolved: ext4: xattr: fix null pointer deref in ext4rawinode If ext4getinodeloc fails e.g. if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattrinodedecrefall lacks error checking, this will lead to a null pointer...

CVE-2025-68820

The CVE-2025-68820 entry corresponds to a resolved Linux kernel issue in ext4: xattr, where ext4_get_inode_loc() failures could leave iloc.bh NULL and ext4_xattr_inode_dec_ref_all() would not check errors, causing a NULL dereference in ext4_raw_inode() after get_inode_loc(). The associated connec...

CVE-2025-68820

In the Linux kernel, the following vulnerability has been resolved: ext4: xattr: fix null pointer deref in ext4rawinode If ext4getinodeloc fails e.g. if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattrinodedecrefall lacks error checking, this will lead to a null pointer...

CVE-2025-68820 ext4: xattr: fix null pointer deref in ext4_raw_inode()

In the Linux kernel, the following vulnerability has been resolved: ext4: xattr: fix null pointer deref in ext4rawinode If ext4getinodeloc fails e.g. if it returns -EFSCORRUPTED, iloc.bh will remain set to NULL. Since ext4xattrinodedecrefall lacks error checking, this will lead to a null pointer...

CVE-2025-68809 ksmbd: vfs: fix race on m_flags in vfs_cache

In the Linux kernel, the following vulnerability has been resolved: ksmbd: vfs: fix race on mflags in vfscache ksmbd maintains delete-on-close and pending-delete state in ksmbdinode-mflags. In vfscache.c this field is accessed under inconsistent locking: some paths read and modify mflags under...

CVE-2025-68778

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't log conflicting inode if it's a dir moved in the current transaction We can't log a conflicting inode if it's a directory and it was moved from one parent directory to another parent directory in the current...

CVE-2025-68778

CVE-2025-68778 corresponds to a Linux kernel Btrfs logging/transaction bug where logging an inode location while moving a directory in the same transaction could cause an inconsistent log replay, potentially leading to a hard-link count issue and a failed mount. The provided advisories confirm th...