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 the netfs module double-releasing references on request completion, which could lead to memory corruption...

UBUNTU-CVE-2025-38338

In the Linux kernel, the following vulnerability has been resolved: fs/nfs/read: fix double-unlock bug in nfsreturnemptyfolio Sometimes, when a file was read while it was being truncated by another NFS client, the kernel could deadlock because foliounlock was called twice, and the second call wou...

SUSE CVE-2025-38139

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

CVE-2025-38139

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

UBUNTU-CVE-2025-38139

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

CVE-2025-38139 netfs: Fix oops in write-retry from mis-resetting the subreq iterator

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

CVE-2025-38139

Technical details about CVE-2025-38139 are not provided in the supplied documents. Monitoring for updates and authoritative advisories is advised.

CVE-2025-38139 netfs: Fix oops in write-retry from mis-resetting the subreq iterator

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

CVE-2025-38139

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix oops in write-retry from mis-resetting the subreq iterator Fix the resetting of the subrequest iterator in netfsretrywritestream to use the iterator-reset function as the iterator may have been shortened by a previous...

PT-2025-30811 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A flaw exists in the netfs component of the Linux kernel where a netfs request may have its reference counted incorrectly, leading to a double put of the request. This occurs if a netf...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS enabled. When testing a special configuration: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ Cut here ------------ 3.766484...

PT-2025-27725

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.15.0-rc6-syzkaller-00052-g9f35e33144ae Description: A vulnerability in the Linux kernel has been resolved, related to the resetting of the subrequest iterator in netfs retry write stream. The issue occurs when...

The vulnerability in the fs/netfs/read_collect.c module of the Linux kernel file system netfs allows a attacker to cause a service failure.

The vulnerability of the fs/netfs/readcollect.c module of the Linux file system netfs kernel relates to improper control of resource identifiers “resource injection”. Exploiting this vulnerability can allow an attacker to cause a service failure...

SUSE CVE-2025-37876

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...

DEBIAN-CVE-2025-37876

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...

CVE-2025-37876

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...

UBUNTU-CVE-2025-37876

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...

CVE-2025-37876 netfs: Only create /proc/fs/netfs with CONFIG_PROC_FS

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...

CVE-2025-37876

Summary (CVE-2025-37876) The Linux kernel netfs code creates /proc/fs/netfs unconditionally; when CONFIG_NETFS_SUPPORTS=y and CONFIG_PROC_FS is disabled, this can trigger a kernel crash. The connected documents indicate the root cause is in netfs_init(), where proc_mmkdir is invoked without guard...

CVE-2025-37876

In the Linux kernel, the following vulnerability has been resolved: netfs: Only create /proc/fs/netfs with CONFIGPROCFS When testing a special config: CONFIGNETFSSUPPORTS=y CONFIGPROCFS=n The system crashes with something like: 3.766197 ------------ cut here ------------ 3.766484 kernel BUG at...