• CVE-2024-49855

发布时间: 2024年11月1日

修改时间: 2024年11月8日

概要

In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between timeout and normal completion If request timetout is handled by nbd_requeue_cmd(), normal completion has to be stopped for avoiding to complete this requeued request, other use-after-free can be triggered. Fix the race by clearing NBD_CMD_INFLIGHT in nbd_requeue_cmd(), meantime make sure that cmd->lock is grabbed for clearing the flag and the requeue.

CVSS v3 指标

NVD openEuler
CVSS评分 7.0 7.0
Attack Vector Local Local
Attack Complexity High High
Privileges Required Low Low
User Interaction None None
Scope Unchanged Unchanged
Confidentiality High High
Integrity High High
Availability High High

安全公告

公告名 概要 发布时间
KylinSec-SA-2024-4898 kernel security update 2024年11月1日

影响产品

产品 状态
KY3.4-5A kernel Fixed
KY3.5.2 kernel Fixed
V6 kernel Fixed