VULNERABILITY INTELLIGENCE
CVE-2021-3347
CVSS score7.8 HIGH
EPSS probability1.36%
CISA KEVNot currently listed
Published2021-01-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-416
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-416
Primary references
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org — Exploit, Mailing List, Third Party Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Third Party Advisory