CVE-2021-28971
Quick assessment
Affected
n/a n/a
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 through 5.11.8 存在安全漏洞，该漏洞源于用户空间应用程序可能会导致系统崩溃。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-28971
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In intel_pmu_drain_pebs_nhm in arch/x86/events/intel/ds.c in the Linux kernel through 5.11.8 on some Haswell CPUs, userspace applications (such as perf-fuzzer) can cause a system crash because the PEBS status in a PEBS record is mishandled, aka CID-d88d05a9e0b6.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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基金会的开源操作系统Linux所使用的内核。 Linux kernel through 5.11.8 存在安全漏洞，该漏洞源于用户空间应用程序可能会导致系统崩溃。
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 | - |
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II. Public POCs for CVE-2021-28971
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2021-28971 (1)
Vendor Advisories for CVE-2021-28971 (1)
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https://security.netapp.com/advisory/ntap-20210430-0003/ x_refsource_CONFIRM
Mailing List Discussions for CVE-2021-28971 (5)
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4VCKIOXCOZGXBEZMO5LGGV5MWCHO6FT3/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T2S3I4SLRNRUQDOFYUS6IUAZMQNMPNLG/ vendor-advisory x_refsource_FEDORA
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https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTRNPQTZ4GVS46SZ4OBXY5YDOGVPSTGQ/ vendor-advisory x_refsource_FEDORA
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Same Patch Batch · n/a · 2021-03-22 · 29 CVEs total
| CVE-2020-28501 | 5.3 MEDIUM | Regular Expression Denial of Service (ReDoS) |
| CVE-2020-9212 | Huawei USG9500 信息泄露漏洞 | |
| CVE-2021-28956 | Microsoft Visual Studio Code 安全漏洞 | |
| CVE-2021-28955 | Michael Muré git-bug 代码问题漏洞 | |
| CVE-2021-28963 | Shibboleth 注入漏洞 | |
| CVE-2021-28964 | Linux kernel 竞争条件问题漏洞 | |
| CVE-2021-27962 | Grafana Labs Grafana Enterprise 安全漏洞 | |
| CVE-2021-28146 | Grafana 安全漏洞 | |
| CVE-2021-28147 | Grafana Labs Grafana Enterprise 安全漏洞 | |
| CVE-2021-28148 | Grafana 访问控制错误漏洞 | |
| CVE-2021-27308 | Piyush Patil 4images 跨站脚本漏洞 | |
| CVE-2021-28968 | Ashcs punbb 跨站脚本漏洞 | |
| CVE-2021-28972 | Linux kernel 安全漏洞 | |
| CVE-2021-26578 | HPE Orchestrator SQL注入漏洞 | |
| CVE-2021-25922 | OpenEMR 跨站脚本漏洞 | |
| CVE-2020-9206 | Huawei eUDC660 资源管理错误漏洞 | |
| CVE-2020-9213 | 多款Huawei产品安全漏洞 | |
| CVE-2021-22309 | Huawei USG9500 安全特征问题漏洞 | |
| CVE-2021-22310 | Huawei 多款产品日志日志信息泄露漏洞 | |
| CVE-2021-22320 | 多款Huawei产品安全漏洞 |
Showing top 20 of 29 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-28971
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