• CVE-2021-3592

发布时间: 2022年9月23日

修改时间: 2022年9月23日

概要

An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the bootp_t structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.

CVSS v3 指标

NVD openEuler
CVSS评分 3.8 3.8
Attack Vector Local Local
Attack Complexity Low Low
Privileges Required Low Low
User Interaction None None
Scope Changed Changed
Confidentiality Low Low
Integrity None None
Availability None None

安全公告

公告名 概要 发布时间
KylinSec-SA-2022-2792 An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the bootp_t structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0. 2024年12月30日

影响产品

产品 状态
KY3.4-4A libslirp Unaffected
KY3.4-5A libslirp Unaffected
KY3.5.1 libslirp Unaffected