UBUNTU-CVE-2022-50056

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix missing iop in ntfsreadmft There is null pointer dereference because iop == NULL. The bug happens because we don't initialize iop for records in $Extend...

CVE-2022-50090

CVE-2022-50090 relates to the Linux kernel/Btrfs: it replaces the hard-coded limit BTRFS_MAX_EXTENT_SIZE with fs_info->max_extent_size. On zoned filesystems, data writes are limited by max_zone_append_size, and a large ordered extent can trigger more extents than expected, causing the estimato...

CVE-2022-50090

In the Linux kernel, the following vulnerability has been resolved: btrfs: replace BTRFSMAXEXTENTSIZE with fsinfo-maxextentsize On zoned filesystem, data write out is limited by maxzoneappendsize, and a large ordered extent is split according the size of a bio. OTOH, the number of extents to be...

CVE-2022-50089 btrfs: ensure pages are unlocked on cow_file_range() failure

In the Linux kernel, the following vulnerability has been resolved: btrfs: ensure pages are unlocked on cowfilerange failure There is a hungtask report on zoned btrfs like below. https://github.com/naota/linux/issues/59 726.328648 INFO: task rocksdb:high0:11085 blocked for more than 241 seconds...

CVE-2022-50082

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

CVE-2022-50082 ext4: fix warning in ext4_iomap_begin as race between bmap and write

In the Linux kernel, the following vulnerability has been resolved: ext4: fix warning in ext4iomapbegin as race between bmap and write We got issue as follows: ------------ cut here ------------ WARNING: CPU: 3 PID: 9310 at fs/ext4/inode.c:3441 ext4iomapbegin+0x182/0x5d0 RIP:...

CVE-2022-50057

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL deref in ntfsupdatemftmirr If ntfsfillsuper wasn't called then sbi-sb will be equal to NULL. Code should check this ptr before dereferencing. Syzbot hit this issue via passing wrong mount param as can be seen...

CVE-2022-50021 ext4: block range must be validated before use in ext4_mb_clear_bb()

In the Linux kernel, the following vulnerability has been resolved: ext4: block range must be validated before use in ext4mbclearbb Block range to free is validated in ext4freeblocks using ext4inodeblockvalid and then it's passed to ext4mbclearbb. However in some situations on bigalloc file syste...

CVE-2022-49999

CVE-2022-49999 : In the Linux kernel, a race between caching free space for a block group and returning free space to the in‑memory space cache for pinned extents can cause double‑adding free space, corrupting the Btrfs free space tree and space cache. Symptoms include EEXIST when re‑adding freed...

CVE-2025-38051 smb: client: Fix use-after-free in cifs_fill_dirent

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifsfilldirent There is a race condition in the readdir concurrency process, which may access the rsp buffer after it has been released, triggering the following KASAN warning...

CISA Warns of Active Exploitation of Linux Kernel Privilege Escalation Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Tuesday placed a security flaw impacting the Linux kernel in its Known Exploited Vulnerabilities KEV catalog, stating it has been actively exploited in the wild. The vulnerability, CVE-2023-0386 CVSS score: 7.8, is an improper...

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 stems from cifs not releasing page references when using fscache, which could lead to a memory leak...

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 stems from cifs not freeing the memory pool in SMB2negotiate, which could lead to a memory leak...

PT-2025-25939 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A bug in the f2fs file system has been found, where the NAT entry and nat bitmap can be inconsistent. This inconsistency can trigger a BUG ON in the f2fs new node page function. The...

PT-2025-25798

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.15.0-rc2-dirty 60 Description A vulnerability in the Linux kernel has been identified, where the allocation of nfs lock context in nfs get lock context fails and returns -ENOMEM when memory is insufficient. If...

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 stems from an unhandled nfsgetlockcontext failure that could result in a null pointer dereference...

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 resizing the file system to unaligned cluster boundaries...

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 NFSv4 releasing resources even after canceling an open RPC call resulting in post-release reuse...

PT-2025-26015 · Btrfs +1 · Btrfs +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 5.16.0-rc1+ Description: A vulnerability in the Linux kernel has been resolved, related to the btrfs file system. The issue causes a hang when the cow file range function fails during allocation, leaving pages...

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 stems from insufficient inode count validation, which could lead to a file system crash...