CVE-2021-3600

Description

It was discovered that the eBPF implementation in the Linux kernel did not properly track bounds information for 32 bit registers when performing div and mod operations. A local attacker could use this to possibly execute arbitrary code.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.14%
Vendor Advisory kernel.org
Affected: The Linux Kernel Organization linux
Published at:
Updated at:

References

Link Tags
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600 product issue tracking
https://ubuntu.com/security/notices/USN-5003-1 third party advisory
https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90 patch vendor advisory mailing list issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-3600?
CVE-2021-3600 has been scored as a high severity vulnerability.
How to fix CVE-2021-3600?
To fix CVE-2021-3600, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3600 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3600 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3600?
CVE-2021-3600 affects The Linux Kernel Organization linux.
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