CVE-2019-20812
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I. Basic Information for CVE-2019-20812
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux kernel 5.4.7之前版本中的net/packet/af_packet.c文件的‘prb_calc_retire_blk_tmo()’函数存在资源管理错误漏洞。该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2019-20812
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.oracle.com/security-alerts/cpuApr2021.htmlx_refsource_MISC
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7x_refsource_MISC
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlvendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2019-20812
Same Patch Batch · n/a · 2020-06-03 · 25 CVEs total
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| CVE-2020-13796 | Navigate CMS 跨站脚本漏洞 | |
| CVE-2020-13797 | Navigate CMS 跨站脚本漏洞 | |
| CVE-2020-13798 | Navigate CMS 跨站脚本漏洞 | |
| CVE-2020-13792 | PlayTube 路径遍历漏洞 | |
| CVE-2020-13790 | libjpeg-turbo 缓冲区错误漏洞 | |
| CVE-2020-13379 | Grafana 代码问题漏洞 | |
| CVE-2019-20809 | Compound Finance Compound Price Oracle 输入验证错误漏洞 | |
| CVE-2020-13782 | D-Link DIR-865L 操作系统命令注入漏洞 | |
| CVE-2020-13783 | D-Link DIR-865L 信息泄露漏洞 | |
| CVE-2020-13784 | D-Link DIR-865L 安全特征问题漏洞 | |
| CVE-2020-13776 | systemd 输入验证错误漏洞 | |
| CVE-2020-13786 | D-Link DIR-865L 跨站请求伪造漏洞 | |
| CVE-2020-13787 | D-Link DIR-865L 信息泄露漏洞 | |
| CVE-2020-12846 | Zimbra 代码问题漏洞 | |
| CVE-2020-13756 | Sabberworm PHP CSS Parser 输入验证错误漏洞 | |
| CVE-2020-13596 | Django 跨站脚本漏洞 | |
| CVE-2020-13254 | Django 信任管理问题漏洞 | |
| CVE-2020-1963 | Apache Ignite 安全漏洞 |
Showing top 20 of 25 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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V. Comments for CVE-2019-20812
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