CVE-2026-90263

A flaw was found in the Linux kernel's btrfs filesystem. A local user could bypass the intended read-only protection by setting a POSIX Access Control List ACL on a btrfs filesystem configured as read-only. This vulnerability occurs because the setacl code path fails to properly check the...

Linux Distros Unpatched Vulnerability : CVE-2026-90263

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and...

AZL-102465 CVE-2026-90263 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

DEBIAN-CVE-2026-90263

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90263

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90263 btrfs: check if root is readonly when setting posix acl

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90263

CVE-2026-90263 affects the Linux kernel's btrfs filesystem . When the btrfs read-only property is set to true, all write operations including ACL and xattr should be denied. However, POSIX ACLs could still be set because a prior commit (353c2ea735e4) removed a readonly-root check from btrfs_setxa...

EUVD-2026-81856

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-90263 btrfs: check if root is readonly when setting posix acl

In the Linux kernel, the following vulnerability has been resolved: btrfs: check if root is readonly when setting posix acl For a filesystem which has btrfs read-only property set to true, all write operations including acl and xattr should be denied. However, acl can still be set even if btrfs r...

CVE-2026-68149

In the Linux kernel, the following vulnerability has been resolved: fs: preserve ACLDONTCACHE state in forgetcachedacl The ACLDONTCACHE state is meant to be a constant state for the inode for filesystems that want to opt out of posix acl caching. Commit facd61053cff1 "fuse: fixes after adapting t...