UBUNTU-CVE-2023-54193

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsapi: remove blockcb from driverlist before freeing Error handler of tcfblockbind frees the whole bo-cblist on error. However, by that time the flowblockcb instances are already in the driver list because driver...

UBUNTU-CVE-2023-54192

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix null pointer panic in tracepoint in replaceatomicwriteblock We got a kernel panic if oldaddr is NULL. https://bugzilla.kernel.org/showbug.cgi?id=217266 BUG: kernel NULL pointer dereference, address: 0000000000000000 Cal...

CVE-2022-50835

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

EUVD-2025-205718

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Roxnor PopupKit popup-builder-block allows Retrieve Embedded Sensitive Data.This issue affects PopupKit: from n/a through = 2.1.5...

CVE-2023-54317 dm flakey: don't corrupt the zero page

In the Linux kernel, the following vulnerability has been resolved: dm flakey: don't corrupt the zero page When we need to zero some range on a block device, the function blkdevissuezeropages submits a write bio with the bio vector pointing to the zero page. If we use dm-flakey with corrupt bio...

CVE-2023-54305 ext4: refuse to create ea block when umounted

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2023-54305

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2023-54305 ext4: refuse to create ea block when umounted

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2023-54305

CVE-2023-54305 is a Linux kernel/ext4 vulnerability where the ea block expansion could access s_root while it is NULL during unmount, risking a kernel panic. Public descriptions across NVD/Red Hat/SUSE/osv entries confirm the issue and its resolution in the kernel, not in user space. The fix prev...

CVE-2023-54297

CVE-2023-54297 affects the Linux kernel (btrfs zoned). Root cause: in exclude_super_stripes(), finding a block group with super blocks and exiting on zoned filesystems without freeing the logical address of the super blocks, causing a memory leak. The fix frees the allocated logical address to pr...

CVE-2023-54297 btrfs: zoned: fix memory leak after finding block group with super blocks

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix memory leak after finding block group with super blocks At excludesuperstripes, if we happen to find a block group that has super blocks mapped to it and we are on a zoned filesystem, we error out as this is not...

CVE-2023-54297

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: fix memory leak after finding block group with super blocks At excludesuperstripes, if we happen to find a block group that has super blocks mapped to it and we are on a zoned filesystem, we error out as this is not...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54271

CVE-2023-54271 concerns a NULL pointer dereference in the Linux kernel related to block cgroup handling. The issue arises when blkcg_activate_policy installs blkg_policy_data before ioc_weight policy data is fully initialized, causing a race with ioc_weight_write() that can encounter an uninitial...

CVE-2023-54271

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54260

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix lost destroy smbd connection when MR allocate failed If the MR allocate failed, the smb direct connection info is NULL, then smbddestroy will directly return, then the connection info will be leaked. Let's set the smb...

CVE-2022-50864 nilfs2: fix shift-out-of-bounds due to too large exponent of block size

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix shift-out-of-bounds due to too large exponent of block size If field slogblocksize of superblock data is corrupted and too large, initnilfs and loadnilfs still can trigger a shift-out-of-bounds warning followed by a...

CVE-2022-50864

CVE-2022-50864 affects the Linux kernel nilfs2 where a corrupted s_log_block_size in the superblock could trigger a shift-out-of-bounds warning and kernel panic during init_nilfs() or load_nilfs(), due to a too-large exponent for a 32-bit int (exponent 38973). The issue has been resolved by addin...

CVE-2022-50864 nilfs2: fix shift-out-of-bounds due to too large exponent of block size

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix shift-out-of-bounds due to too large exponent of block size If field slogblocksize of superblock data is corrupted and too large, initnilfs and loadnilfs still can trigger a shift-out-of-bounds warning followed by a...

CVE-2022-50864

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix shift-out-of-bounds due to too large exponent of block size If field slogblocksize of superblock data is corrupted and too large, initnilfs and loadnilfs still can trigger a shift-out-of-bounds warning followed by a...