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-2025-22127

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-2025-22125

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...

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...

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...

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...

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 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

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

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 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

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 NFS: fix nfs_release_folio() to not deadlock via kcompactd writeback

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...

CBL Mariner 2.0 Security Update: kernel (CVE-2024-56780)

"The version of kernel installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56780 advisory. - In the Linux kernel, the following vulnerability has been resolved: quota: flush quotareleasework upon quot...

Linux Distros Unpatched Vulnerability : CVE-2021-47492

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - mm, thp: bail out early in collapsefile for writeback page Currently collapsefile does not explicitly check PGwriteback, instead, pagehasprivate and...

Linux Distros Unpatched Vulnerability : CVE-2022-49097

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - NFS: Avoid writeback threads getting stuck in mempoolalloc In a low memory situation, allow the NFS writeback code to fail without getting stuck in infinite loo...