低危 linux linux_kernel 跨界内存读
CVE编号
CVE-2020-35519利用情况
暂无补丁情况
官方补丁披露时间
2021-05-06漏洞描述
An out-of-bounds (OOB) memory access flaw was found in x25_bind in net/x25/af_x25.c in the Linux kernel version v5.12-rc5. A bounds check failure allows a local attacker with a user account on the system to gain access to out-of-bounds memory, leading to a system crash or a leak of internal kernel information. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.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=1908251 | |
https://security.netapp.com/advisory/ntap-20210618-0009/ |
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) 4.19.171-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_11 | linux | * | Up to (excluding) 5.9.15-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_12 | linux | * | Up to (excluding) 5.9.15-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_9 | linux | * | Up to (excluding) 4.9.258-1 | |||||
运行在以下环境 | |||||||||
系统 | debian_sid | linux | * | Up to (excluding) 5.9.15-1 | |||||
运行在以下环境 | |||||||||
系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.4.v2101.ky10 | |||||
运行在以下环境 | |||||||||
系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.4.v2101.ky10 | |||||
运行在以下环境 | |||||||||
系统 | linux | linux_kernel | 5.12 | - | |||||
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 | suse_12_SP5 | kernel | * | Up to (excluding) 4.12.14-122.66.2 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_16.04 | linux | * | Up to (excluding) 4.4.0-1088.97 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_16.04.7_lts | linux | * | Up to (excluding) 4.4.0-203.235 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 5.4.0-1037.40~18.04.1 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_18.04.5_lts | linux | * | Up to (excluding) 4.15.0-136.140 | |||||
运行在以下环境 | |||||||||
系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.4.0-1036.38 | |||||
- 攻击路径 远程
- 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 未验证
- 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 无影响
- 全网数量 N/A
CWE-ID | 漏洞类型 |
CWE-125 | 跨界内存读 |
Exp相关链接

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