Linux Btrfs Heap Buffer Overflow DoS

The vulnerability of the btrfsrundelayedrefs function in the fs/btrfs/extent-tree.c component of the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow a remote attacker to cause service interruptions...

ROS-20260825-73-0020

The vulnerability of the lookupInlineextentbackref function in the fs/btrfs/extent-tree.c file of the Linux kernel operating system involves the exposure of confidential information. Exploiting this vulnerability could allow an attacker to cause a service failure...

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...

Linux Btrfs Heap Buffer Overflow DoS

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. - In the Linux kernel, the following vulnerability has been resolved: btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are...

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...

PT-2024-41813

Уязвимость функции btrfs clear buffer dirty модуля fs/btrfs/extent io.c поддержки файловой системы btrfs ядра операционной системы Linux связана с ошибками синхронизации при использовании общего ресурса. Эксплуатация уязвимости может позволить нарушителю оказать воздействие на целостность...

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-2021-4149: Improper Locking

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...