CVE-2025-37856

In the Linux kernel, the following vulnerability has been resolved: btrfs: harden blockgroup::bglist against listdel races As far as I can tell, these calls of listdelinit on bglist cannot run concurrently with btrfsmarkbgunused or btrfsmarkbgtoreclaim, as they are in transaction error paths and...

CVE-2025-37856

CVE-2025-37856: Linux kernel fix for btrfs block_group::bg_list list_del() race conditions. The description and openSUSE advisory indicate this vulnerability could lead to refcount mismanagement on bg_list entries when racing with mark_bg_unused()/bg_to_reclaim in non-writable/transaction-error p...

CVE-2022-49912

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix ulist leaks in error paths of qgroup self tests In the testnosharedqgroup and testmultiplerefs qgroup self tests, if we fail to add the tree ref, remove the extent item or remove the extent ref, we are returning from t...

CVE-2022-49898

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix tree mod log mishandling of reallocated nodes We have been seeing the following panic in production kernel BUG at fs/btrfs/tree-mod-log.c:677! invalid opcode: 0000 1 SMP RIP: 0010:treemodlogrewind+0x1b4/0x200 RSP:...

CVE-2022-49849

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix match incorrectly in devargsmatchdevice syzkaller found a failed assertion: assertion failed: args-devid != u64-1 || args-missing, in fs/btrfs/volumes.c:6921 This can be triggered when we set devid to u64-1 by ioctl. I...

CVE-2022-49833

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: clone zoned device info when cloning a device When cloning a btrfsdevice, we're not cloning the associated btrfszoneddeviceinfo structure of the device in case of a zoned filesystem. Later on this leads to a NULL...

CVE-2022-49914 btrfs: fix inode list leak during backref walking at resolve_indirect_refs()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at resolveindirectrefs During backref walking, at resolveindirectrefs, if we get an error we jump to the 'out' label and call ulistfree on the 'parents' ulist, which frees all the...

CVE-2022-49912 btrfs: fix ulist leaks in error paths of qgroup self tests

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix ulist leaks in error paths of qgroup self tests In the testnosharedqgroup and testmultiplerefs qgroup self tests, if we fail to add the tree ref, remove the extent item or remove the extent ref, we are returning from t...

CVE-2022-49913 btrfs: fix inode list leak during backref walking at find_parent_nodes()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix inode list leak during backref walking at findparentnodes During backref walking, at findparentnodes, if we are dealing with a data extent and we get an error while resolving the indirect backrefs, at...

CVE-2022-49898 btrfs: fix tree mod log mishandling of reallocated nodes

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix tree mod log mishandling of reallocated nodes We have been seeing the following panic in production kernel BUG at fs/btrfs/tree-mod-log.c:677! invalid opcode: 0000 1 SMP RIP: 0010:treemodlogrewind+0x1b4/0x200 RSP:...

CVE-2022-49831 btrfs: zoned: initialize device's zone info for seeding

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: initialize device's zone info for seeding When performing seeding on a zoned filesystem it is necessary to initialize each zoned device's btrfszoneddeviceinfo structure, otherwise mounting the filesystem will cause ...

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 the Linux kernel that stems from btrfs uncloned zoned device information, which could lead to null pointer dereferencing...

The vulnerability of the btrfs component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the btrfs component in Linux operating systems is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2025-22114

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't clobber ret in btrfsvalidatesuper Commit 2a9bb78cfd36 "btrfs: validate system chunk array at btrfsvalidatesuper" introduces a call to validatesyschunkarray in btrfsvalidatesuper, which clobbers the value of ret set...

CVE-2025-22115 btrfs: fix block group refcount race in btrfs_create_pending_block_groups()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups Block group creation is done in two phases, which results in a slightly unintuitive property: a block group can be allocated/deallocated from after...

CVE-2025-22115 btrfs: fix block group refcount race in btrfs_create_pending_block_groups()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups Block group creation is done in two phases, which results in a slightly unintuitive property: a block group can be allocated/deallocated from after...

CVE-2025-22114 btrfs: don't clobber ret in btrfs_validate_super()

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't clobber ret in btrfsvalidatesuper Commit 2a9bb78cfd36 "btrfs: validate system chunk array at btrfsvalidatesuper" introduces a call to validatesyschunkarray in btrfsvalidatesuper, which clobbers the value of ret set...

CVE-2025-22114 btrfs: don't clobber ret in btrfs_validate_super()

In the Linux kernel, the following vulnerability has been resolved: btrfs: don't clobber ret in btrfsvalidatesuper Commit 2a9bb78cfd36 "btrfs: validate system chunk array at btrfsvalidatesuper" introduces a call to validatesyschunkarray in btrfsvalidatesuper, which clobbers the value of ret set...

Important: kernel-livepatch-6.1.128-136.201

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when attempting to join an aborted transaction CVE-2025-21753 In the Linux kernel, the following vulnerability has been resolved: nfsd: clear aclaccess/acldefault after releasing them...

The vulnerability of the btrfs_ref_tree_mod() function in the fs/btrfs/ref-verify.c module of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

The vulnerability of the btrfsreftreemod function in the fs/btrfs/ref-verify.c module of the Linux operating system is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of...