kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache

A flaw was found in the Linux kernel's NFSv4.0 server nfsd. A remote, unauthenticated attacker can exploit this heap overflow vulnerability in the NFSv4.0 LOCK replay cache. By using two cooperating NFSv4.0 clients, where one sets a lock with a large owner string and another requests a conflictin...

SUSE CVE-2026-31402

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache The NFSv4.0 replay cache uses a fixed 112-byte inline buffer rpibufNFSD4REPLAYISIZE to store encoded operation responses. This size was calculated based on OPEN responses and...

PT-2026-30185

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s Network File System daemon nfsd contained a heap overflow in the NFSv4.0 LOCK replay cache. The NFSv4.0 replay cache uses a fixed 112-byte inline buffer to store encod...

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 an invalid lock operation in the xegucsubmitwedge function...

CVE-2020-36775

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock Using f2fstrylockop in f2fswritecompressedpages to avoid potential deadlock like we did in f2fswritesingledatapage...

CVE-2021-4149

A vulnerability was found in btrfsalloctreeb in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service DOS due to a deadlock problem...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Code injection

Finder in Apple Mac OS X 10.5 through 10.5.4 does not properly update permission data in the Get Info window after a lock operation that modifies Sharing & Permissions in a filesystem, which might allow local users to leverage weak permissions that were not intended by an administrator...