低危 Linux kernel 缓冲区错误漏洞
CVE编号
CVE-2021-42739利用情况
暂无补丁情况
N/A披露时间
2021-10-20漏洞描述
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 5.14.13及之前版本存在安全漏洞，该漏洞源于\"drivers/media/firewire/firedtv-avc.c\"和\"drivers/media/firewire/firedtv-ci.c\"中的avc_ca_pmt错误处理了边界检查。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=35d2969ea3c7d32aee78066b1f3cf61a0d935a4e。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 | anolis_os_8 | kernel | * | Up to (excluding) 4.18 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_7 | kernel | * | Up to (excluding) 3.10.0-1160.53.1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | kernel | * | Up to (excluding) 4.18.0-372.9.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | linux | * | Up to (excluding) 4.19.232-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | linux | * | Up to (excluding) 5.10.84-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | linux | * | Up to (excluding) 5.14.16-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | linux | * | Up to (excluding) 4.9.290-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | linux | * | Up to (excluding) 5.14.16-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | linux | * | Up to (excluding) 5.14.17-101.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | linux | * | Up to (excluding) 5.14.17-201.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | linux | * | Up to (excluding) 5.14.17-301.fc35 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.11.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | kernel | * | Up to (excluding) 4.19.90-25.11.v2101.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | linux | linux_kernel | * | Up to (including) 5.14.13 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | linux | * | Up to (excluding) 5.3.18-lp152.98.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | linux | * | Up to (excluding) 5.3.18-59.34.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_6 | kernel | * | Up to (excluding) 4.1.12-124.68.3.el7uek | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_7 | kernel | * | Up to (excluding) 3.10.0-1160.53.1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | kernel | * | Up to (excluding) 4.18.0-372.9.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_7 | bpftool | * | Up to (excluding) 3.10.0-1160.53.1.el7 | |||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | kernel | * | Up to (excluding) 4.18.0-372.9.1.el8 | |||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | linux | * | Up to (excluding) 4.12.14-122.98.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | linux-hwe-5.4 | * | Up to (excluding) 4.15.0-1034.39 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | linux-bluefield | * | Up to (excluding) 5.4.0-1063.67 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.10 | linux | * | Up to (excluding) 5.13.0-28.31 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_d | kernel | * | Up to (excluding) 4.19.90-5031 | |||||
- 攻击路径 N/A
- 攻击复杂度 N/A
- 权限要求 N/A
- 影响范围 N/A
- EXP成熟度 N/A
- 补丁情况 N/A
- 数据保密性 N/A
- 数据完整性 N/A
- 服务器危害 N/A
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-787 | 跨界内存写 |
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