ffs

FFS - F File System This is a cli tool for searching files like grep that does not use the OS kernel to read files, but reads your disks directly. It is practically useless, but insanely cool. this is just 1.5k lines of C code that: requires sudo only when reading a raw device node e.g. /dev/rdis...

btrfs_fixes

btrfsfixes: Custom BTRFS Repair Tools Custom tools written during recovery of a 12TB multi-device BTRFS pool with severe extent tree corruption that the native commands btrfs check --repair, --init-extent-tree, etc. could not repair. SeeINCIDENT-ANALYSIS.md for a structured case study of the...

CVE-2026-62943

btrbk is a Btrfs subvolume snapshot and remote backup tool. In versions 0.29.0 through 0.32.7 , the script ssh_filter_btrbk.sh constructs its command allowlist (allow_stream_match) with a start anchor but no end-of-string anchor , so a user restricted via an authorized_keys forced command can app...

Linux Distros Unpatched Vulnerability : CVE-2026-90265

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: defrag: fix deadlock between defrag and delalloc space reservation While running fsstress with autodefrag and flushoncommit, hit a deadlock due to the fa...

Linux Distros Unpatched Vulnerability : CVE-2026-90259

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: qgroup: fix a wrong length calculation in qgroupfreereserveddata In that function, we round down the start position and round up the ending position. But...

Linux Distros Unpatched Vulnerability : CVE-2026-90262

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio...

Linux Distros Unpatched Vulnerability : CVE-2026-90260

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still- dirty tree block is written out as zeros...

Linux Distros Unpatched Vulnerability : CVE-2026-90264

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: always wait for ordered extents to avoid OE races BUG Syzbot reported a bug that there can be conflicting OEs for the same range: BTRFS critical device...

Linux Distros Unpatched Vulnerability : CVE-2026-90266

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge On a zoned FS, btrfsdelayedrefsrsvrefill returns -EAGAIN whenever the over-committed...

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...

Linux Distros Unpatched Vulnerability : CVE-2026-90261

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address...

AZL-102024 CVE-2026-90265 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: defrag: fix deadlock between defrag and delalloc space reservation While running fsstress with autodefrag and flushoncommit, hit a deadlock due to the fact that defrag reserves delalloc space while it's holding dirty and...

DEBIAN-CVE-2026-90266

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't force read-only on transient -EAGAIN from reloc merge On a zoned FS, btrfsdelayedrefsrsvrefill returns -EAGAIN whenever the over-committed metadata plus the zoneunusable bytes exceeds the usable size in a...

AZL-102108 CVE-2026-90259 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: fix a wrong length calculation in qgroupfreereserveddata In that function, we round down the start position and round up the ending position. But during the calculation of @len, we use "roundupstart + len,...

AZL-102441 CVE-2026-90262 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: retry verity reads for not-uptodate Merkle folios btrfsreadmerkletreepage can find a folio in the mapping that is not uptodate. After taking the folio lock, the current code treats that state as a read error and returns...

AZL-102291 CVE-2026-90264 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: always wait for ordered extents to avoid OE races BUG Syzbot reported a bug that there can be conflicting OEs for the same range: BTRFS critical device loop4: panic in insertorderedextent:264: overlapping ordered extents,...

DEBIAN-CVE-2026-90260

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: don't clobber the extent buffer when zeroing it out On a zoned filesystem a freed-but-still-dirty tree block is written out as zeros EXTENTBUFFERZONEDZEROOUT only to keep the zone write pointer advancing...

DEBIAN-CVE-2026-90264

In the Linux kernel, the following vulnerability has been resolved: btrfs: always wait for ordered extents to avoid OE races BUG Syzbot reported a bug that there can be conflicting OEs for the same range: BTRFS critical device loop4: panic in insertorderedextent:264: overlapping ordered extents,...

AZL-102258 CVE-2026-90261 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

AZL-102465 CVE-2026-90263 affecting package kernel 6.6.150.1-1

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...