CVE-2021-3347

EPSS 0.20% · P42 Updated Feb 26, 2026

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I. Basic Information for CVE-2021-3347

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 through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.

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基金会的开源操作系统Linux所使用的内核。 Linux kernel through 5.10.11 存在资源管理错误漏洞，该漏洞源于允许本地用户在内核中执行代码。

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-2021-3347

#	POC Description	Source Link	Shenlong Link
1	None	https://github.com/nanopathi/linux-4.19.72_CVE-2021-3347	POC Details

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2021-3347

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https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c5cade200ab9a2a3be9e7f32a752c8d86b502ec7x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2156ac1934166d6deb6cd0f6ffc4c1076ec63697x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=12bb3f7f1b03d5913b3f9d4236a488aa7774dfe9x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f2dac39d93987f7de1e20b3988c8685523247ae2x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6ccc84f917d33312eb2846bd7b567639f585ad6dx_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/01/29/1x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c64396cc36c6e60704ab06c1fb1c4a46179c9120x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=34b1a1ce1458f50ef27c54e28eb9b1947012907ax_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04b79c55201f02ffd675e1231d731365e335c307x_refsource_MISC
https://www.openwall.com/lists/oss-security/2021/01/29/3x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210304-0005/x_refsource_CONFIRM
https://www.debian.org/security/2021/dsa-4843vendor-advisoryx_refsource_DEBIAN
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QOBMXDJABYE76RKNBAWA2E4TSSBX7CSJ/vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CXAVDAK4RLAHBHHGEPL73UFXSI6BXQ7Q/vendor-advisoryx_refsource_FEDORA
http://www.openwall.com/lists/oss-security/2021/01/29/5mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/01/29/4mailing-listx_refsource_MLIST
http://www.openwall.com/lists/oss-security/2021/02/01/4mailing-listx_refsource_MLIST
[SECURITY] [DLA 2586-1] linux security updatemailing-listx_refsource_MLIST
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.htmlmailing-listx_refsource_MLIST
https://nvd.nist.gov/vuln/detail/CVE-2021-3347

Same Patch Batch · n/a · 2021-01-29 · 56 CVEs total

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CVE-2020-28403	8.0 HIGH	Star Computer Star Practice Management Web 跨站请求伪造漏洞
CVE-2020-28406	6.5 MEDIUM	Star Computer Star Practice Management Web 访问控制错误漏洞
CVE-2020-28401	6.5 MEDIUM	Star Computer Star Practice Management Web 访问控制错误漏洞
CVE-2020-28404	6.5 MEDIUM	Star Computer Star Practice Management Web 访问控制错误漏洞
CVE-2021-23328	5.6 MEDIUM	Prototype Pollution
CVE-2020-28402	5.4 MEDIUM	Star Computer Star Practice Management Web 访问控制错误漏洞
CVE-2020-29535	5.3 MEDIUM	RSA Security Archer 跨站脚本漏洞
CVE-2020-29538	4.9 MEDIUM	Archer 访问控制错误漏洞
CVE-2020-29537	4.6 MEDIUM	RSA Security Archer 输入验证错误漏洞
CVE-2020-29536	4.3 MEDIUM	RSA Security Archer 加密问题漏洞
CVE-2020-29004		MediaWiki 跨站请求伪造漏洞
CVE-2021-26308		Blackbeam Rust-marc 安全漏洞
CVE-2021-26307		Mozilla Rust 安全漏洞
CVE-2021-26303		PHPGurukul Daily Expense Tracker System 跨站脚本漏洞
CVE-2020-29605		MantisBT 安全漏洞
CVE-2020-35547		Mitel Networks MiCollab 授权问题漏洞
CVE-2021-3176		Mitel BusinessCTI Enterprise (MBC-E) Client 输入验证错误漏洞
CVE-2020-29603		MantisBT 访问控制错误漏洞
CVE-2020-35145		Acronis True Image for Windows 代码问题漏洞

Showing top 20 of 56 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: n/a

Same vendor: n/a

V. Comments for CVE-2021-3347

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CVE-2021-3347

I. Basic Information for CVE-2021-3347

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2021-3347

III. Intelligence Information for CVE-2021-3347

Same Patch Batch · n/a · 2021-01-29 · 56 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2021-3347

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