VulnerabilityModified
CVE-2021-3600
A local attacker could use this to possibly execute arbitrary code.
HIGH 7.8EPSS 0.28%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.28%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.28% probability · 21th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-787
- Affected
- linux/linux kernel · canonical/ubuntu linux · fedoraproject/fedora · redhat/enterprise linux
- Source
- security@ubuntu.com
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600Product
- https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90Mailing List, Patch, Vendor Advisory
- https://ubuntu.com/security/notices/USN-5003-1Third Party Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3600Product
- https://git.kernel.org/linus/e88b2c6e5a4d9ce30d75391e4d950da74bb2bd90Mailing List, Patch, Vendor Advisory
- https://ubuntu.com/security/notices/USN-5003-1Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.