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 recursive semaphore deadlock in the OCFS2 file system, which could lead to a file system hang...

kernel: sunrpc: fix handling of server side tls alerts

In the Linux kernel, the following vulnerability has been resolved: sunrpc: fix handling of server side tls alerts Scott Mayhew discovered a security exploit in NFS over TLS in tlsalertrecv due to its assumption it can read data from the msg iterator's kvec.. kTLS implementation splits TLS non-da...

The vulnerability of the data management component of virtual machines in Hyper-V software for centralized backup and recovery management systems like PowerProtect Data Manager allows a malicious actor to gain unauthorized access to the file system.

The vulnerability of the data management component of virtual machines in Hyper-V software for centralized backup and recovery management systems like PowerProtect Data Manager is related to an incorrect limitation on the path name to the restricted-access directory. Exploiting this vulnerability...

cifs: prevent NULL pointer dereference in UTF16 conversion

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btrfs: fix crash on racing fsync and size-extending write into prealloc

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f2fs: compress: fix to guarantee persisting compressed blocks by CP

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Linux Distros Unpatched Vulnerability : CVE-2023-53360

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: NFSv4.2: Rework scratch handling for READPLUS again I found that the read code might send...

Linux Distros Unpatched Vulnerability : CVE-2023-53311

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - nilfs2: fix use-after-free of nilfsroot in dirtying inodes via iput During unmount process of nilfs2, nothing holds nilfsroot structure after nilfs2 detaches it...

SUSE CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2022-49980: USB: gadget: fix use-after-free read in usbudcuevent bsc1245110. CVE-2022-50116: tty: ngsm: fix deadlock and link starvation in outgoing data path...

DEBIAN-CVE-2025-39838

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL pointer dereference in UTF16 conversion There can be a NULL pointer dereference bug here. NULL is passed to cifssfumakenode without checks, which passes it unchecked to cifsstrnduptoutf16, which in turn passes ...

DEBIAN-CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

AZL-67596 CVE-2025-39838 affecting package kernel for versions less than 6.6.112.1-1

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL pointer dereference in UTF16 conversion There can be a NULL pointer dereference bug here. NULL is passed to cifssfumakenode without checks, which passes it unchecked to cifsstrnduptoutf16, which in turn passes ...

UBUNTU-CVE-2025-39842

In the Linux kernel, the following vulnerability has been resolved: ocfs2: prevent release journal inode after journal shutdown Before calling ocfs2deleteosb, ocfs2journalshutdown has already been executed in ocfs2dismountvolume, so osb-journal must be NULL. Therefore, the following calltrace wil...

CVE-2025-39842

CVE-2025-39842 : In the Linux kernel, the ocfs2 path could dereference a NULL journal pointer when releasing an inode during journal shutdown. The root cause was calling jbd2_journal_release_jbd_inode() with osb->journal potentially NULL after ocfs2_journal_shutdown(). The fix is to add explic...

CVE-2025-39838

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL pointer dereference in UTF16 conversion There can be a NULL pointer dereference bug here. NULL is passed to cifssfumakenode without checks, which passes it unchecked to cifsstrnduptoutf16, which in turn passes ...

CVE-2025-39838 cifs: prevent NULL pointer dereference in UTF16 conversion

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent NULL pointer dereference in UTF16 conversion There can be a NULL pointer dereference bug here. NULL is passed to cifssfumakenode without checks, which passes it unchecked to cifsstrnduptoutf16, which in turn passes ...

PT-2025-40086

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s nfs/localio functionality. Specifically, the issue involves improper credential handling when releasing pageio data, potentially triggering a bug in t...

PT-2025-38545

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw where a NULL pointer dereference can occur during UTF16 conversion within the CIFS implementation. Specifically, a NULL pointer can be passed to the cifs...

PT-2025-44378

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0-rc6 Description The Linux kernel contains a flaw in the hfsplus strcasecmp function that can lead to a slab-out-of-bounds read. The issue is related to the logic within hfsplus strcasecmp. This can result ...