• CVE-2021-45402

发布时间: 2022年11月18日

修改时间: 2022年11月18日

概要

The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a pointer leak.

CVSS v3 指标

NVD openEuler
Confidentiality High High
Attack Vector Local Local
CVSS评分 5.5 5.5
Attack Complexity Low Low
Privileges Required Low Low
Scope Unchanged Unchanged
Integrity None None
User Interaction None None
Availability None None

安全公告

公告名 概要 发布时间
KylinSec-SA-2022-1229 The check_alu_op() function in kernel/bpf/verifier.c in the Linux kernel through v5.16-rc5 did not properly update bounds while handling the mov32 instruction, which allows local users to obtain potentially sensitive address information, aka a pointer leak. 2022年11月18日

影响产品

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