UBUNTU-CVE-2023-53230

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn: possible memory leak of 'cifssb'...

CVE-2022-50300

CVE-2022-50300 affects the Linux kernel's btrfs code, where an extent_map use-after-free can occur in read_one_chunk when handling a missing device and the degraded mount option is absent. The root cause is freeing the extent_map before storing the error code, despite the structure being referenc...

CVE-2022-50300

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix extent map use-after-free when handling missing device in readonechunk Store the error code before freeing the extentmap. Though it's reference counted structure, in that function it's the first and last allocation so...

CVE-2023-53230 smb: client: fix warning in cifs_smb3_do_mount()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn: possible memory leak of 'cifssb'...

CVE-2023-53230 smb: client: fix warning in cifs_smb3_do_mount()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn: possible memory leak of 'cifssb'...

CVE-2023-53230

CVE-2023-53230 concerns the Linux kernel SMB client. The publicly provided docs identify the issue as a fix to a warning in fs/smb/client/cifsfs.c:982 within cifs_smb3_do_mount(), described as a memory‑leak warning reported by the kernel test robot. The connected advisories indicate the patch was...

CVE-2023-53230 smb: client: fix warning in cifs_smb3_do_mount()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix warning in cifssmb3domount This fixes the following warning reported by kernel test robot fs/smb/client/cifsfs.c:982 cifssmb3domount warn: possible memory leak of 'cifssb'...

CVE-2023-53222 jfs: jfs_dmap: Validate db_l2nbperpage while mounting

In the Linux kernel, the following vulnerability has been resolved: jfs: jfsdmap: Validate dbl2nbperpage while mounting In jfsdmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree. dbl2nbperpage, which is the log2 number of blocks per page, is passed as an argument to...

CVE-2023-53222 jfs: jfs_dmap: Validate db_l2nbperpage while mounting

In the Linux kernel, the following vulnerability has been resolved: jfs: jfsdmap: Validate dbl2nbperpage while mounting In jfsdmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree. dbl2nbperpage, which is the log2 number of blocks per page, is passed as an argument to...

CVE-2023-53222 jfs: jfs_dmap: Validate db_l2nbperpage while mounting

In the Linux kernel, the following vulnerability has been resolved: jfs: jfsdmap: Validate dbl2nbperpage while mounting In jfsdmap.c at line 381, BLKTODMAP is used to get a logical block number inside dbFree. dbl2nbperpage, which is the log2 number of blocks per page, is passed as an argument to...

CVE-2022-50280 pnode: terminate at peers of source

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree headed...

CVE-2022-50280 pnode: terminate at peers of source

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree headed...

CVE-2022-50280

CVE-2022-50280: In the Linux kernel, propagate_mnt() bug allowed a NULL dereference when terminating peers of a source mount, triggered via mount propagation paths. The issue could be exploited by unprivileged users due to user namespaces. This CVE affects the Linux kernel’s mount propagation han...

CVE-2022-50277 ext4: don't allow journal inode to have encrypt flag

In the Linux kernel, the following vulnerability has been resolved: ext4: don't allow journal inode to have encrypt flag Mounting a filesystem whose journal inode has the encrypt flag causes a NULL dereference in fscryptlimitioblocks when the 'inlinecrypt' mount option is used. The problem is tha...

kernel: do_change_type(): refuse to operate on unmounted/not ours mounts

In the Linux kernel, the following vulnerability has been resolved: dochangetype: refuse to operate on unmounted/not ours mounts Ensure that propagation settings can only be changed for mounts located in the caller's mount namespace. This change aligns permission checking with the rest of mount2...

Linux Kernel Security Vulnerabilities

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 stems from the propagatemnt function not terminating a lookup at a sibling node in the source mount tree when handling moun...

CVE-2022-50334: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in range 0x0000000000000000-0x0000000000000007...

CVE-2022-50280: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: pnode: terminate at peers of source The propagatemnt function handles mount propagation when creating mounts and propagates the source mount tree @sourcemnt to all applicable nodes of the destination propagation mount tree headed...

CVE-2025-59054 dstack has insecure LUKS2 persistent storage partitions that may be opened and used

dstack is a software development kit SDK to simplify the deployment of arbitrary containerized apps into trusted execution environments. In versions of dstack prior to 0.5.4, a malicious host may provide a crafted LUKS2 data volume to a dstack CVM for use as the /data mount. The guest will open t...

SUSE CVE-2025-39691

In the Linux kernel, the following vulnerability has been resolved: fs/buffer: fix use-after-free when call bhread helper There's issue as follows: BUG: KASAN: stack-out-of-bounds in endbufferreadsync+0xe3/0x110 Read of size 8 at addr ffffc9000168f7f8 by task swapper/3/0 CPU: 3 UID: 0 PID: 0 Comm...