低危 linux linux_kernel 整数溢出或超界折返
CVE编号
CVE-2021-3428利用情况
暂无补丁情况
官方补丁披露时间
2022-03-05漏洞描述
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.解决建议
建议您更新当前系统或软件至最新版,完成漏洞的修复。
参考链接 |
|
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https://bugzilla.redhat.com/show_bug.cgi?id=1972621 | |
https://ubuntu.com/security/CVE-2021-3428 | |
https://www.openwall.com/lists/oss-security/2021/03/17/1 |
受影响软件情况
# | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
1 | |||||||||
---|---|---|---|---|---|---|---|---|---|
运行在以下环境 | |||||||||
系统 | debian_10 | linux | * | Up to (excluding) 4.19.181-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_11 | linux | * | Up to (excluding) 5.8.7-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_12 | linux | * | Up to (excluding) 5.8.7-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_9 | linux | * | Up to (excluding) 4.9.272-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_sid | linux | * | Up to (excluding) 5.8.7-1 | |||||
运行在以下环境 | |||||||||
系统 | linux | linux_kernel | * | Up to (excluding) 5.9.0 | |||||
运行在以下环境 | |||||||||
系统 | opensuse_Leap_15.2 | kernel | * | Up to (excluding) 5.3.18-lp152.3.8.1 | |||||
运行在以下环境 | |||||||||
系统 | opensuse_Leap_15.3 | kernel | * | Up to (excluding) 5.3.18-59.5.2 | |||||
运行在以下环境 | |||||||||
系统 | oracle_7 | kernel | * | Up to (excluding) 4.14.35-2047.503.1.el7uek | |||||
运行在以下环境 | |||||||||
系统 | suse_12_SP5 | kernel | * | Up to (excluding) 4.12.14-122.66.2 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 5.4.0-1063.66~18.04.1 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_18.04.5_lts | linux | * | Up to (excluding) 4.15.0-144.148 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.4.0-1057.61 | |||||
- 攻击路径 本地
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
CWE-ID | 漏洞类型 |
CWE-190 | 整数溢出或超界折返 |
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