CVE-2022-49704 9p: fix fid refcount leak in v9fs_vfs_get_link

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...

CVE-2022-49704 9p: fix fid refcount leak in v9fs_vfs_get_link

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...

CVE-2022-49704

CVE-2022-49704 is discussed in Connected documents as a Linux kernel issue affecting 9p (v9fs_vfs_get_link fid refcount leak). The fix moves the protocol version check earlier to avoid operating on a fid before validating version, reducing refcount leakage risk. Astra Linux security bulletin conf...

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 atoms are opened...

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...

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...

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 ...

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 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

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;...