CVE-2020-7463 | BDVDB-2026-150986 Detail
FreeBSD
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.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc
- https://support.apple.com/kb/HT212317
- https://support.apple.com/kb/HT212319
- https://support.apple.com/kb/HT212325
- https://support.apple.com/kb/HT212323
- https://support.apple.com/kb/HT212324
- https://support.apple.com/kb/HT212321
- https://support.apple.com/kb/HT212318
- http://seclists.org/fulldisclosure/2021/Apr/49
- http://seclists.org/fulldisclosure/2021/Apr/50
- http://seclists.org/fulldisclosure/2021/Apr/59
- http://seclists.org/fulldisclosure/2021/Apr/58
- http://seclists.org/fulldisclosure/2021/Apr/57
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.