CVEvulnerability
CVE-2021-29627
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-07
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-415, CWE-416
Description
In FreeBSD 13.0-STABLE before n245050, 12.2-STABLE before r369525, 13.0-RC4 before p0, and 12.2-RELEASE before p6, listening socket accept filters implementing the accf_create callback incorrectly freed a process supplied argument string. Additional operations on the socket can lead to a double free or use after free.
Affected configurations
• freebsd freebsd (>= 12.0 < 12.2)
• freebsd freebsd 12.2
• freebsd freebsd 13.0
Related
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210423-0007/ Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-21:09.accept_filter.asc Vendor Advisory
- https://security.netapp.com/advisory/ntap-20210423-0007/ Third Party Advisory