CVE-2023-54067

In CVE-2023-54067, the Linux kernel btrfs subsystem fixes a race when deleting the free space root from fs_info->dirty_cowonly_roots by not holding the trans_lock. The unsynchronized list manipulation could race with concurrent modifications (e.g., adding a root via ctree.c:add_root_to_dirty_l...

CVE-2023-54067 btrfs: fix race when deleting free space root from the dirty cow roots list

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting free space root from the dirty cow roots list When deleting the free space tree we are deleting the free space root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it,...

CVE-2023-54067 btrfs: fix race when deleting free space root from the dirty cow roots list

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting free space root from the dirty cow roots list When deleting the free space tree we are deleting the free space root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it,...

CVE-2025-68359

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

AZL-78407 CVE-2025-68358 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

CVE-2023-54032

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting quota root from the dirty cow roots list When disabling quotas we are deleting the quota root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it, which is struct...

CVE-2023-54023

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between balance and cancel/pause Syzbot reported a panic that looks like this: assertion failed: fsinfo-exclusiveoperation == BTRFSEXCLOPBALANCEPAUSED, in fs/btrfs/ioctl.c:465 ------------ cut here ------------...

CVE-2023-54002

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion of exclop condition when starting balance Balance as exclusive state is compatible with paused balance and device add, which makes some things more complicated. The assertion of valid states when starting fro...

UBUNTU-CVE-2025-68359

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

CVE-2025-68359

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix double free of qgroup record after failure to add delayed ref head In the previous code it was possible to incur into a double kfree scenario when calling adddelayedrefhead. This could happen if the record was reported...

UBUNTU-CVE-2023-54002

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion of exclop condition when starting balance Balance as exclusive state is compatible with paused balance and device add, which makes some things more complicated. The assertion of valid states when starting fro...

CVE-2023-54032

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting quota root from the dirty cow roots list When disabling quotas we are deleting the quota root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it, which is struct...

CVE-2023-54002

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix assertion of exclop condition when starting balance Balance as exclusive state is compatible with paused balance and device add, which makes some things more complicated. The assertion of valid states when starting fro...

CVE-2025-68358

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

UBUNTU-CVE-2023-54032

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting quota root from the dirty cow roots list When disabling quotas we are deleting the quota root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it, which is struct...

UBUNTU-CVE-2025-68358

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix racy bitfield write in btrfsclearspaceinfofull From the memory-barriers.txt document regarding memory barrier ordering guarantees: These guarantees do not apply to bitfields, because compilers often generate code to...

UBUNTU-CVE-2023-54023

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between balance and cancel/pause Syzbot reported a panic that looks like this: assertion failed: fsinfo-exclusiveoperation == BTRFSEXCLOPBALANCEPAUSED, in fs/btrfs/ioctl.c:465 ------------ cut here ------------...

CVE-2023-54023

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race between balance and cancel/pause Syzbot reported a panic that looks like this: assertion failed: fsinfo-exclusiveoperation == BTRFSEXCLOPBALANCEPAUSED, in fs/btrfs/ioctl.c:465 ------------ cut here ------------...

CVE-2023-54032 btrfs: fix race when deleting quota root from the dirty cow roots list

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix race when deleting quota root from the dirty cow roots list When disabling quotas we are deleting the quota root from the list fsinfo-dirtycowonlyroots without taking the lock that protects it, which is struct...

CVE-2023-54032

CVE-2023-54032 affects the Linux kernel’s btrfs quota handling. The root cause is a race in deleting a quota root from the dirty_cowonly_roots list without acquiring trans_lock, which can race with concurrent list manipulation (e.g., add_root_to_dirty_list). This unsynchronized access may trigger...