CVE-2020-14314
Quick assessment
Affected
Linux Kernel kernel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2020-14314
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
N/A
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
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 |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-14314
请登录查看更多情报信息。
Patches & Fixes for CVE-2020-14314 (1)
Vendor Advisories for CVE-2020-14314 (4)
-
https://usn.ubuntu.com/4576-1/ vendor-advisory
-
https://usn.ubuntu.com/4579-1/ vendor-advisory
-
https://usn.ubuntu.com/4578-1/ vendor-advisory
Mailing List Discussions for CVE-2020-14314 (3)
Other References for CVE-2020-14314 (2)
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 |
IV. Related Vulnerabilities
Same product: kernel
-
CVE-2025-26604
Possibility to retrieve bot token by malicious module develo -
CVE-2021-35000
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform -
CVE-2021-34999
OpenBSD Kernel Multicast Routing Uninitialized Memory Inform -
CVE-2021-34981
Linux Kernel Bluetooth CMTP Module Double Free Privilege Esc -
CVE-2024-24898
Information Leakage in kernel
Same vendor: Linux Kernel
-
CVE-2022-2785
Arbitrary Memory read in BPF Linux Kernel -
CVE-2022-2503
Linux Kernel LoadPin bypass via dm-verity table reload -
CVE-2022-2327
Use-after-free in io_uring ad work_flags in Linux Kernel -
CVE-2021-22600
Double Free in net/packet/af_packet.c leading to priviledge -
CVE-2021-22543
Improper memory handling in Linux KVM
V. Comments for CVE-2020-14314
No comments yet