Vulnerability Description
In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | < 11.4 |
Related Weaknesses (CWE)
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20210423-0008/Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:08.vm.ascVendor Advisory
- https://security.netapp.com/advisory/ntap-20210423-0008/Third Party Advisory
FAQ
What is CVE-2021-29626?
CVE-2021-29626 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to inv...
How severe is CVE-2021-29626?
CVE-2021-29626 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-29626?
Check the references section above for vendor advisories and patch information. Affected products include: Freebsd Freebsd.