kernel: tcp: Fix a data-race around sysctl_tcp_early_retrans.

In the Linux kernel, the following vulnerability has been resolved: tcp: Fix a data-race around sysctltcpearlyretrans. While reading sysctltcpearlyretrans, it can be changed concurrently. Thus, we need to add READONCE to its reader...

PT-2025-8506 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A data-race issue exists around sysctl tcp early retrans in the Linux kernel. The value of sysctl tcp early retrans can be changed concurrently while it is being read, which requires t...

Important: kernel

Issue Overview: An out-of-bounds write flaw was found in the Linux kernels framebuffer-based console driver functionality in the way a user triggers ioctl FBIOPUTVSCREENINFO with malicious data. This flaw allows a local user to crash or potentially escalate their privileges on the system...

GSD-2021-1000107 NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds

NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds 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 v5.11.20 by commit...

UVI-2021-1000142 NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds

NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds 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 v5.10.36 by commit...

UVI-2021-1000107 NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds

NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds 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 v5.11.20 by commit...

GSD-2021-1000068 NFS: fs_context: validate UDP retrans to prevent shift out-of-bounds

NFS: fscontext: validate UDP retrans to prevent shift out-of-bounds 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 v5.12.3 by commit...

PT-2021-8037 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the validation of UDP retransmission in the Linux kernel's NFS module. Specifically, it concerns the xprt calc majortimeo function, where a shift out-of-bounds...