CVE-2026-45974

A flaw was found in the Linux kernel's btrfs filesystem. The btrfsquotaenable function contains a logic error where it attempts to access an invalid memory location if a specific key is not found during a search operation. This incorrect handling of search results can lead to invalid leaf access,...

CVE-2026-45974

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfsquotaenable if ref key not found If btrfssearchslotforread returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from accessing invalid leaf nodes when a reference key is not found in btrfsquotaenable, potentially...

The vulnerability of the btrfs_quota_enable() function in the fs/btrfs/qgroup.c module of the file system Btrfs in the Linux kernel allows a malicious actor to trigger a service failure.

The vulnerability of the btrfsquotaenable function in the fs/btrfs/qgroup.c module of the btrfs file system in Linux kernels is related to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to cause a service failure...