CVE-2023-52909

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of cached open files in nfsd4open codepath Commit fb70bf124b05 "NFSD: Instantiate a struct file when creating a regular NFSv4 file" added the ability to cache an open fd over a compound. There are a couple of...

CVE-2023-52909

CVE-2023-52909: In the Linux kernel NFSD, a race in caching an opened NFSv4 file could leave nf_file NULL or leak a prior nf_file. The fix introduces nfsd_file_acquirei_opened, which uses an existing file pointer when present and preserves an existing valid nf_file, preventing leaks and oops. It ...

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 a problem with the nfsd component when handling cached open files...

PT-2024-6393 · Linux +3 · Linux Kernel +3

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the handling of cached open files in the nfsd4 open codepath. It's racy, as a newly-created nfsd file can end up with its PENDING bit cleared while the nf is...

GSD-2023-1002001 nfsd: fix handling of cached open files in nfsd4_open codepath

nfsd: fix handling of cached open files in nfsd4open codepath This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v6.1.7 by commit...

PT-2023-34784 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.1.7 Description: The issue concerns the handling of cached open files in the nfsd4 open codepath. It was introduced in version v5.19 and fixed in version v6.1.7. The actual impact and attack plausibility have...