CVE-2026-43358 btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

CVE-2026-43358

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

CVE-2026-43358

CVE-2026-43358 affects the Linux kernel's btrfs filesystem. The vulnerability is a missing RCU unlock in the error path of try_release_subpage_extent_buffer(), where rcu_read_lock() should be held before exiting the loop because an rcu_read_unlock() occurs past the loop. The issue was identified ...

CVE-2026-43358 btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in tryreleasesubpageextentbuffer Call rcureadlock before exiting the loop in tryreleasesubpageextentbuffer because there is a rcureadunlock call past the loop. This has been detected by...

PT-2026-39019

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A missing RCU Read-Copy-Update unlock in the error path of the try release subpage extent buffer function within the btrfs module can occur. This happens because a rcu read unlock call...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001336)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001336 advisory. A race condition was discovered in getoldroot in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service BUG because of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002719)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002719 advisory. An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in writeextentbuffer when mounting and operating a crafted btrfs image,...

EUVD-2022-55795

In the Linux kernel, the following vulnerability has been resolved: btrfs: set generation before calling btrfscleantreeblock in btrfsinitnewbuffer syzbot is reporting uninit-value in btrfscleantreeblock 1, for commit bc877d285ca3dba2 "btrfs: Deduplicate extentbuffer init code" missed that...

CVE-2022-50766

In the Linux kernel, the following vulnerability has been resolved: btrfs: set generation before calling btrfscleantreeblock in btrfsinitnewbuffer syzbot is reporting uninit-value in btrfscleantreeblock 1, for commit bc877d285ca3dba2 "btrfs: Deduplicate extentbuffer init code" missed that...

CVE-2022-50766

Summary: CVE-2022-50766 is a Linux kernel vulnerability in the Btrfs path. Reported to affect the Btrfs init flow, where generation data was incorrectly handled in btrfs_init_new_buffer, leading to uninitialized reads in btrfs_clean_tree_block. The root cause is that btrfs_set_header_generation()...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-414626)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-414626 advisory. A race condition was discovered in getoldroot in fs/btrfs/ctree.c in the Linux kernel through 5.11.8. It allows attackers to cause a denial of service BUG because of...

EUVD-2025-29186

Malicious code in bioql PyPI...

CVE-2025-39800 btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()

In the Linux kernel, the following vulnerability has been resolved: btrfs: abort transaction on unexpected eb generation at btrfscopyroot If we find an unexpected generation for the extent buffer we are cloning at btrfscopyroot, we just WARNON and don't error out and abort the transaction, meanin...

CVE-2025-39800

CVE-2025-39800 affects the Linux kernel’s btrfs subsystem, specifically the btrfs_copy_root() path. The issue occurs when cloning an extent buffer with an unexpected eb generation: instead of aborting the transaction, the code would WARN_ON() and allow metadata to persist with the unexpected gene...

Linux Distros Unpatched Vulnerability : CVE-2018-14610

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the Linux kernel through 4.17.10. There is out-of-bounds access in writeextentbuffer when mounting and operating a crafted btrfs imag...

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...

Linux Distros Unpatched Vulnerability : CVE-2024-46752

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - btrfs: replace BUGON with error handling at updaterefforcow Instead of a BUGON just return an error, log an error message and abort the transaction in case we...

SUSE CVE-2024-56759

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block, at btrfscowblock, and we have the tracepoint tracebtrfscowblock enabled and preemption is also enabled CONFIGPREEMPT=y, we can...

CVE-2024-46752

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BUGON with error handling at updaterefforcow Instead of a BUGON just return an error, log an error message and abort the transaction in case we find an extent buffer belonging to the relocation tree that doesn't ha...

CVE-2024-46752

CVE-2024-46752 - Mode C (detailed, verified): The vulnerability is in the Linux kernel’s btrfs code path; specifically, update_ref_for_cow() previously used BUG_ON() and now returns an error, logs an error, and aborts the transaction when an extent buffer in the relocation tree lacks the full bac...