EUVD-2026-59454

In the Linux kernel, the following vulnerability has been resolved: ext4: validate donor file superblock early in EXT4IOCMOVEEXT Reject the EXT4IOCMOVEEXT ioctl early if the donor file does not belong to the same superblock as the original file. Currently, this validation is performed inside...

CVE-2026-72189 ntfs: fail attrlist updates when the superblock is inactive

In the Linux kernel, the following vulnerability has been resolved: ntfs: fail attrlist updates when the superblock is inactive genericshutdownsuper clears SBACTIVE before evicting cached inodes. If eviction selects the fake inode for a base inode's unnamed $ATTRIBUTELIST attribute,...

EUVD-2026-58947

In the Linux kernel, the following vulnerability has been resolved: ntfs: fail attrlist updates when the superblock is inactive genericshutdownsuper clears SBACTIVE before evicting cached inodes. If eviction selects the fake inode for a base inode's unnamed $ATTRIBUTELIST attribute,...

CVE-2026-72189 ntfs: fail attrlist updates when the superblock is inactive

In the Linux kernel, the following vulnerability has been resolved: ntfs: fail attrlist updates when the superblock is inactive genericshutdownsuper clears SBACTIVE before evicting cached inodes. If eviction selects the fake inode for a base inode's unnamed $ATTRIBUTELIST attribute,...

PT-2026-72377

In the Linux kernel, the following vulnerability has been resolved: ntfs: fail attrlist updates when the superblock is inactive generic shutdown super clears SB ACTIVE before evicting cached inodes. If eviction selects the fake inode for a base inode's unnamed $ATTRIBUTE LIST attribute, ntfs evic...

PT-2026-72779

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix xattr race condition with multiple superblocks Multiple superblocks with different namespaces can share the same kernfs node when kernfs test super finds a matching root but different namespace. This means multiple...

CVE-2026-68448

In the Linux kernel, the following vulnerability has been resolved: ovl: check access to copyfilerange source with src mounter creds Commit 5dae222a5ff0c "vfs: allow copyfilerange to copy across devices" allowed filesystems that implement the copyfilerange fop to decide if they want to access...

CVE-2026-68148

A flaw was found in the Linux kernel's fscrypt component. A missing superblock check in the findorinsertdirectkey function could allow inodes from different filesystems to incorrectly share encryption keys. This can lead to a use-after-free vulnerability, potentially allowing an attacker to cause...

fscrypt: Add missing superblock check in find_or_insert_direct_key()

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UBUNTU-CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68148

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68150

CVE-2026-68150 affects Linux kernel fs/super: emergency thaw of all frozen filesystems could double-unlock s_umount, corruptting rwsem state. Connected fix switches iteration to SUPER_ITER_UNLOCKED and acquires s_umount in the callback with super_lock_excl() before thaw_super_locked(), aligning w...

EUVD-2026-55533

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68148 fscrypt: Add missing superblock check in find_or_insert_direct_key()

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68148 fscrypt: Add missing superblock check in find_or_insert_direct_key()

In the Linux kernel, the following vulnerability has been resolved: fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies that have FSCRYPTPOLICYFLAGDIRECTKEY. It's just a global table for all...

CVE-2026-68148

The CVE relates to the Linux kernel fscrypt component. A missing superblock check in fscrypt_find_or_insert_direct_key() allowed inode keys to be shared across different super_blocks, risking use-after-free of a fscrypt_direct_key and potentially enabling denial of service, information disclosure...

K000162852: Linux kernel vulnerability CVE-2026-53303

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: f2fs: protect extensionlist reading with sblock in f2fssbishow In f2fssbishow, the extensionlist, extensioncount and hotextcount are read without holding sbi-sblock. If a concurrent sysfs store...

Linux Distros Unpatched Vulnerability : CVE-2026-68148

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fscrypt: Add missing superblock check in findorinsertdirectkey The legacy 'fscryptdirectkeys' table caches master keys that are used by v1 encryption policies...

PT-2026-69548

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the fscrypt component where the fscrypt direct keys table, used by v1 encryption policies with FSCRYPT POLICY FLAG DIRECT KEY, fails to compare the super block pointer...