UBUNTU-CVE-2023-54067

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-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

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-2023-54032

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-2023-54032 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 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...

CVE-2023-54032: Undefined Security Weakness

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...

How Brad Schlintz built a life of freedom and impact through security research

At Microsoft Security Response Center MSRC, we celebrate the diverse paths that bring researchers to our community. Brad Schlintz’s story is one of curiosity, resilience, and a relentless drive to learn, spanning rural beginnings, career pivots, and a life shaped by both technology and travel. In...

CVE-2025-40235

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

SUSE CVE-2025-40235

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

CVE-2025-40235

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

UBUNTU-CVE-2025-40235

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

CVE-2025-40235

CVE-2025-40235 : Linux kernel, btrfs subsystem, vulnerable in btrfs_check_leaked_roots() leading to a NULL dereference when fs_info allocated_roots is uninitialized if fs_info->super_copy/super_for_commit allocation failed earlier. Reported by syzkaller showing an OOPS during mount (page fault...

CVE-2025-40235 btrfs: directly free partially initialized fs_info in btrfs_check_leaked_roots()

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

EUVD-2025-201224

In the Linux kernel, the following vulnerability has been resolved: btrfs: directly free partially initialized fsinfo in btrfscheckleakedroots If fsinfo-supercopy or fsinfo-superforcommit allocated failed in btrfsgettreesubvol, then no need to call btrfsfreefsinfo. Otherwise btrfscheckleakedroots...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that originates from accessing uninitialized allocatedroots in btrfscheckleakedroots, which could lead to a null pointer...

TencentOS Server 3: ca-certificates bug fix and enhancement update (Low) (TSSA-2024:0591)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0591 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

TencentOS Server 4: python-certifi (TSSA-2024:0273)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2024:0273 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:...