CVE-2020-14314
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I. Basic Information for CVE-2020-14314
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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存在缓冲区错误漏洞，该漏洞允许攻击者通过do_split()触发拒绝服务。
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 |
|---|---|---|---|---|
| Linux Kernel | kernel | before 5.9-rc2 | - |
II. Public POCs for CVE-2020-14314
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://usn.ubuntu.com/4576-1/vendor-advisory
- https://usn.ubuntu.com/4579-1/vendor-advisory
- https://usn.ubuntu.com/4578-1/vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-14314
Same Patch Batch · Linux Kernel · 2020-09-15 · 6 CVEs total
| CVE-2020-10766 | 5.5 MEDIUM | Linux kernel scheduler 安全漏洞 |
| CVE-2020-10767 | 5.5 MEDIUM | Linux kernel 安全漏洞 |
| CVE-2020-10768 | 5.5 MEDIUM | Linux kernel 安全漏洞 |
| CVE-2020-14385 | 5.5 MEDIUM | Linux kernel 代码问题漏洞 |
| CVE-2020-14304 | 4.4 MEDIUM | Linux kernel 安全漏洞 |
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V. Comments for CVE-2020-14314
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