CVEvulnerability
CVE-2020-7463
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-416
Description
In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
Affected configurations
• freebsd freebsd 11.3
• freebsd freebsd 11.4
• freebsd freebsd 12.1
• freebsd freebsd 12.2
• apple icloud (< 12.3)
• apple itunes (< 12.11.3)
• apple safari (< 14.1)
• apple ipados (< 14.5)
• apple iphone os (< 14.5)
• apple macos (>= 11.0 < 11.3)
• apple tvos (< 14.5)
• apple watchos (< 7.4)
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- http://seclists.org/fulldisclosure/2021/Apr/49 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/57 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/58 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/59 Mailing List, Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory
- https://support.apple.com/kb/HT212317 Third Party Advisory
- https://support.apple.com/kb/HT212318 Third Party Advisory
- https://support.apple.com/kb/HT212319 Third Party Advisory
- https://support.apple.com/kb/HT212321 Third Party Advisory
- https://support.apple.com/kb/HT212323 Third Party Advisory
- https://support.apple.com/kb/HT212324 Third Party Advisory
- https://support.apple.com/kb/HT212325 Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/49 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/57 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/58 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/59 Mailing List, Third Party Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc Vendor Advisory
- https://support.apple.com/kb/HT212317 Third Party Advisory
- https://support.apple.com/kb/HT212318 Third Party Advisory
- https://support.apple.com/kb/HT212319 Third Party Advisory
- https://support.apple.com/kb/HT212321 Third Party Advisory
- https://support.apple.com/kb/HT212323 Third Party Advisory
- https://support.apple.com/kb/HT212324 Third Party Advisory
- https://support.apple.com/kb/HT212325 Third Party Advisory