Ubuntu 16.04 LTS / 18.04 LTS：Linux 内核漏洞 (USN-5164-1)
medium Nessus 插件 ID 155747
语言：
简介
远程 Ubuntu 主机缺少一个或多个安全更新。描述
远程 Ubuntu 16.04 LTS/18.04 LTS 主机上安装的程序包受到 USN-5164-1 公告中提及的多个漏洞的影响。- Linux 内核 5.13.4 及之前的所有版本中，drivers/net/usb/hso.c 中的 hso_free_net_device 在调用 unregister_netdev 时未检查 NETREG_REGISTERED 状态，从而导致释放后使用和双重释放。
(CVE-2021-37159)
- 在 Linux 内核的 drivers/crypto/ccp/ccp-ops.c 的 ccp_run_aes_gcm_cmd() 函数中发现一个内存泄漏缺陷，攻击者可利用此缺陷造成拒绝服务（内存消耗）。
此缺陷与较早版本的 CVE-2019-18808 类似。(CVE-2021-3744)
- 在 Linux 内核的 ccp_run_aes_gcm_cmd() 函数中发现内存泄漏缺陷，攻击者可利用此缺陷造成拒绝服务。此漏洞与早先的 CVE-2019-18808 类似。此漏洞最大的威胁在于系统可用性。(CVE-2021-3764)
请注意，Nessus 尚未测试此问题，而是只依靠应用程序自我报告的版本号来判断。
解决方案
更新受影响的程序包。另见
插件详情
严重性: Medium
ID: 155747
文件名: ubuntu_USN-5164-1.nasl
版本: 1.5
类型: local
代理: unix
发布时间: 2021/12/1
最近更新时间: 2023/3/21
支持的传感器: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment
风险信息
VPR
风险因素: Medium
分数: 6.7
CVSS v2
风险因素: Medium
基本分数: 4.4
时间分数: 3.3
矢量: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P
时间矢量: CVSS2#E:U/RL:OF/RC:C
CVSS 分数来源: CVE-2021-37159
CVSS v3
风险因素: Medium
基本分数: 6.4
时间分数: 5.6
矢量: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
漏洞信息
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必需的 KB 项: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release
易利用性: No known exploits are available
补丁发布日期: 2021/11/30
漏洞发布日期: 2021/7/21
参考资料信息
CVE: CVE-2021-37159, CVE-2021-3744, CVE-2021-3764
USN: 5164-1