4.6
CVSSv2

CVE-2021-22555

Published: 07/07/2021 Updated: 16/07/2021
CVSS v2 Base Score: 4.6 | Impact Score: 6.4 | Exploitability Score: 3.9
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Summary

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 exists in net/netfilter/x_tables.c. This allows an malicious user to gain privileges or cause a DoS (via heap memory corruption) through user name space

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Vulnerability Trend

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linux linux kernel

Vendor Advisories

No description is available for this CVE ...
A heap out-of-bounds write affecting Linux since v2619-rc1 was discovered in net/netfilter/x_tablesc This allows an attacker to gain privileges or cause a denial of service (via heap memory corruption) through a user name space ...

Mailing Lists

A heap out-of-bounds write affecting the Linux kernel since version 2619-rc1 was discovered in net/netfilter/x_tablesc This allows an attacker to gain privileges or cause a denial of service condition (via heap memory corruption) through user name space ...

Github Repositories

Reproducer for CVE-2021-22555 as a container githubcom/google/security-research/tree/master/pocs/linux/cve-2021-22555 Pre-built container: quayio/cgwalters/cve-2021-22555 You probably want to test against an explicit node, like this: apiVersion: v1 kind: Pod metadata: name: cve-2021-22555 spec: restartPolicy: Never nodeName: <yournode> containers

system_security_vulnerable collect vulnerable of system security, such as kernel & container Linux_kernel Introduction Ref CVE-2021-22555 googlegithubio/security-research/pocs/linux/cve-2021-22555/writeuphtml Container Introduction Ref twittercom/bestswngs/status/1334867563914915840bestwingme/CVE-2020-15257-ana

CVE-2021-22555-Exploit CVE-2021-22555 Exploit By Andy Nguyen INFO A heap out-of-bounds write affecting Linux since v2619-rc1 was discovered in net/netfilter/x_tablesc This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space 編譯 gcc -m32 -static -o exploit exploitc /exploit 測

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