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CVE-2020-7463

CVE-2020-7463

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 0.4%
exploitation probability
0.4%top 66% of all CVEs
observed exploitation
nono source reports it
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 products
n/a · FreeBSD
References
http://seclists.org/fulldisclosure/2021/Apr/49http://seclists.org/fulldisclosure/2021/Apr/50http://seclists.org/fulldisclosure/2021/Apr/57http://seclists.org/fulldisclosure/2021/Apr/58http://seclists.org/fulldisclosure/2021/Apr/59https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.aschttps://support.apple.com/kb/HT212317https://support.apple.com/kb/HT212318https://support.apple.com/kb/HT212319https://support.apple.com/kb/HT212321https://support.apple.com/kb/HT212323https://support.apple.com/kb/HT212324