DEBIAN-CVE-2022-49850

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks and a superblock writeback occurs at the same time: task 1 task 2 ------ ------ A...

UBUNTU-CVE-2022-49850

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks and a superblock writeback occurs at the same time: task 1 task 2 ------ ------ A...

CVE-2022-49902 block: Fix possible memory leak for rq_wb on add_disk failure

In the Linux kernel, the following vulnerability has been resolved: block: Fix possible memory leak for rqwb on adddisk failure kmemleak reported memory leaks in deviceadddisk: kmemleak: 3 new suspected memory leaks unreferenced object 0xffff88800f420800 size 512: comm "modprobe", pid 4275, jiffi...

CVE-2022-49850

CVE-2022-49850 affects the Linux kernel nilfs2 subsystem. A semaphore deadlock can occur when nilfs_get_block() detects metadata corruption during data-block allocation and a concurrent superblock writeback happens. The root cause involves a lock order: rwsem A (NILFS_MDT dat_inode mi_sem) read l...

CVE-2022-49850 nilfs2: fix deadlock in nilfs_count_free_blocks()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix deadlock in nilfscountfreeblocks A semaphore deadlock can occur if nilfsgetblock detects metadata corruption while locating data blocks and a superblock writeback occurs at the same time: task 1 task 2 ------ ------ A...

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 a failure to clean up rqwb when adddisk fails, which could lead to a memory leak...

SUSE CVE-2025-23132

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

DEBIAN-CVE-2025-22125

In the Linux kernel, the following vulnerability has been resolved: md/raid1,raid10: don't ignore IO flags If blk-wbt is enabled by default, it's found that raid write performance is quite bad because all IO are throttled by wbt of underlying disks, due to flag REQIDLE is ignored. And turns out...

CVE-2025-22127

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadloop in preparecompressoverwrite Jan Prusakowski reported a kernel hang issue as below: When running xfstests on linux-next kernel 6.14.0-rc3, 6.12 I encountered a problem in generic/475 test where fsstres...

DEBIAN-CVE-2025-22127

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadloop in preparecompressoverwrite Jan Prusakowski reported a kernel hang issue as below: When running xfstests on linux-next kernel 6.14.0-rc3, 6.12 I encountered a problem in generic/475 test where fsstres...

UBUNTU-CVE-2025-23132

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

UBUNTU-CVE-2025-22127

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadloop in preparecompressoverwrite Jan Prusakowski reported a kernel hang issue as below: When running xfstests on linux-next kernel 6.14.0-rc3, 6.12 I encountered a problem in generic/475 test where fsstres...

CVE-2025-23132 f2fs: quota: fix to avoid warning in dquot_writeback_dquots()

In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix to avoid warning in dquotwritebackdquots F2FS-fs dm-59: checkpoint=enable has some unwritten data. ------------ cut here ------------ WARNING: CPU: 6 PID: 8013 at fs/quota/dquot.c:691...

CVE-2025-22127 f2fs: fix potential deadloop in prepare_compress_overwrite()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadloop in preparecompressoverwrite Jan Prusakowski reported a kernel hang issue as below: When running xfstests on linux-next kernel 6.14.0-rc3, 6.12 I encountered a problem in generic/475 test where fsstres...

PT-2025-38573

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.56-gb4403bd46a8e 1 Description The Linux kernel contains a use-after-free issue in the mark inode dirty function related to file system writeback. This occurs when the function accesses a block device writeba...

CVE-2025-22127: Improper Locking

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadloop in preparecompressoverwrite Jan Prusakowski reported a kernel hang issue as below: When running xfstests on linux-next kernel 6.14.0-rc3, 6.12 I encountered a problem in generic/475 test where fsstres...

DEBIAN-CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

UBUNTU-CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...

CVE-2025-21908

CVE-2025-21908 concerns the Linux kernel NFS subsystem. The issue arises when nfs_release_folio() can deadlock during writeback initiated by kcompactd, triggering a recursive path through NFS and the NFSD loopback on the same host. The patch adds PF_KCOMPACTD and a current_is_kcompactd() helper t...

CVE-2025-21908

In the Linux kernel, the following vulnerability has been resolved: NFS: fix nfsreleasefolio to not deadlock via kcompactd writeback Add PFKCOMPACTD flag and currentiskcompactd helper to check for it so nfsreleasefolio can skip calling nfswbfolio from kcompactd. Otherwise NFS can deadlock waiting...