Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001358 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in btrfsrootnode when mounting a crafted btrfs image, because of...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000191)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000191 advisory. btrfsfreeextent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfsprintleaf in a certain ENOENT case, which allows local users to obtain...

EUVD-2023-60324

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

UBUNTU-CVE-2023-54121

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect splitting in btrfsdropextentmaprange In production we were seeing a variety of WARNON's in the extentmap code, specifically in btrfsdropextentmaprange when we have to call addextentmapping for our second spli...

SUSE CVE-2022-50090

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

UBUNTU-CVE-2022-50090

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

CVE-2022-50090 btrfs: replace BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

The vulnerability of the fiemap_process_hole() function in the fs/btrfs/extent_io.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the fiemapprocesshole function in the fs/btrfs/extentio.c module of the Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux Distros Unpatched Vulnerability : CVE-2025-21658

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: avoid NULL pointer dereference if no valid extent tree BUG Syzbot reported a crash with the following call trace: BTRFS info device loop0: scrub: started...

Linux Distros Unpatched Vulnerability : CVE-2024-38306

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are rare kernel crashes reported by various people, the common factor is...

SUSE CVE-2024-46751

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUGON when 0 reference count at btrfslookupextentinfo Instead of doing a BUGON handle the error by returning -EUCLEAN, aborting the transaction and logging an error message...

CVE-2022-48902

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not WARNON if we have PageError set Whenever we do any extent buffer operations we call assertebpageuptodate to complain loudly if we're operating on an non-uptodate page. Our overnight tests caught this warning earlier...

PT-2024-32169

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue concerns a problem in the Linux kernel where a BUG ON condition is triggered when a 0 reference count is encountered at btrfs lookup extent info. Instead of causing a BUG ON, t...

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

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CVE-2021-4149

A vulnerability was found in btrfsalloctreeb in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service DOS due to a deadlock problem...

CVE-2019-19039

btrfsfreeextent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfsprintleaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as no...

UBUNTU-CVE-2019-19039

btrfsfreeextent in fs/btrfs/extent-tree.c in the Linux kernel through 5.3.12 calls btrfsprintleaf in a certain ENOENT case, which allows local users to obtain potentially sensitive information about register values via the dmesg program. NOTE: The BTRFS development team disputes this issues as no...

Linux kernel information disclosure vulnerability (CNVD-2019-42534)

The Linux kernel is a computer operating system kernel written in C and assembly language, compliant with the POSIX standard, and distributed under the GNU General Public License. An information disclosure vulnerability exists in Linux kernel 5.3.12 and earlier versions. The vulnerability stems...