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 the 9p protocol not properly handling fid reference counts when fetching links...

CVE-2022-49704: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: 9p: fix fid refcount leak in v9fsvfsgetlink we check for protocol version later than required, after a fid has been obtained. Just move the version check earlier...

FreeBSD Buffer Overflow Vulnerability (CNVD-2025-09231)

FreeBSD is a set of Unix-like operating systems from the FreeBSD Foundation. FreeBSD suffers from a buffer overflow vulnerability that stems from the implementation of VOPVPTOFH in the cd9660, tarfs, and ext2fs filesystems that causes the target FID buffer to overflow by 4 bytes, which can be...

CVE-2025-21654

In the Linux kernel, the following vulnerability has been resolved: ovl: support encoding fid from inode with no alias Dmitry Safonov reported that a WARNON assertion can be trigered by userspace when calling inotifyshowfdinfo for an overlayfs watched inode, whose dentry aliases were discarded wi...

CVE-2025-21654: Reachable Assertion

In the Linux kernel, the following vulnerability has been resolved: ovl: support encoding fid from inode with no alias Dmitry Safonov reported that a WARNON assertion can be trigered by userspace when calling inotifyshowfdinfo for an overlayfs watched inode, whose dentry aliases were discarded wi...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Added missing locking around accessing the dentry fid list. Fixed a use-after-free issue when a thread accesses the dentry’s dfsdata fid list while another thread unlinks it from the dentry. UAF thread issues: - refcountt:...

CVE-2024-46580

Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the fid parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

DrayTek Vigor 3910 安全漏洞

DrayTek Vigor 3910 is a high performance router for enterprise networks from China DrayTek. A security vulnerability exists in the DrayTek Vigor 3910 version v4.3.2.6 that originates from a buffer overflow issue contained in the fid parameter of the v2x00.cgi page. An attacker can cause a denial ...

PT-2024-32051

Name of the Vulnerable Software and Affected Versions Draytek Vigor 3910 version 4.3.2.6 Description A buffer overflow issue was discovered in the fid parameter at the "v2x00.cgi" endpoint. This issue allows attackers to cause a Denial of Service DoS via a crafted input. Recommendations For Drayt...

CVE-2024-46580: Buffer Copy without Checking Size of Input

Draytek Vigor 3910 v4.3.2.6 was discovered to contain a buffer overflow in the fid parameter at v2x00.cgi. This vulnerability allows attackers to cause a Denial of Service DoS via a crafted input...

MS17-010 SMB Remote Code Execution Detection

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'MS17-010 SMB RCE Detection', 'Description' = %q Uses information disclosure to determine if MS17-010 has been patched or not. Specifically, it...

SUSE CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

DEBIAN-CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

UBUNTU-CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

CVE-2024-39463

CVE-2024-39463 is a Linux kernel vulnerability in 9p: add missing locking around taking dentry fid list. The issue is a use-after-free on a dentry’s d_fsdata fid list when one thread looks up a fid through a dentry while another thread unlinks it. The UAF can occur in functions such as p9_fid_get...

CVE-2024-39463 9p: add missing locking around taking dentry fid list

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...

CVE-2024-39463

In the Linux kernel, the following vulnerability has been resolved: 9p: add missing locking around taking dentry fid list Fix a use-after-free on dentry's dfsdata fid list when a thread looks up a fid through dentry while another thread unlinks it: UAF thread: refcountt: addition on 0;...