CVE-2020-7462

Summary

CVE	CVE-2020-7462
State	PUBLIC
Assigner	[email protected]
Source Priority	CVE Program / NVD first with legacy fallback
Published	2021-03-26 21:15:00 UTC
Updated	2021-04-02 18:11:00 UTC
Description	In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

Risk And Classification

Problem Types: CWE-416

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Freebsd	Freebsd	11.3	-	All	All
Operating System	Freebsd	Freebsd	11.3	p1	All	All
Operating System	Freebsd	Freebsd	11.3	p10	All	All
Operating System	Freebsd	Freebsd	11.3	p11	All	All
Operating System	Freebsd	Freebsd	11.3	p12	All	All
Operating System	Freebsd	Freebsd	11.3	p2	All	All
Operating System	Freebsd	Freebsd	11.3	p3	All	All
Operating System	Freebsd	Freebsd	11.3	p4	All	All
Operating System	Freebsd	Freebsd	11.3	p5	All	All
Operating System	Freebsd	Freebsd	11.3	p6	All	All
Operating System	Freebsd	Freebsd	11.3	p7	All	All
Operating System	Freebsd	Freebsd	11.3	p8	All	All
Operating System	Freebsd	Freebsd	11.3	p9	All	All
Operating System	Freebsd	Freebsd	11.4	-	All	All

References

Reference	Source	Link	Tags
security.FreeBSD.org/advisories/FreeBSD-SA-20:24.ipv6.asc	MISC	security.FreeBSD.org
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

Legacy QID Mappings

376806 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Sensitive Information Disclosure Vulnerability (NTAP-20201016-0002)
690519 Free Berkeley Software Distribution (FreeBSD) Security Update for Free Berkeley Software Distribution (FreeBSD) (74bbde13-ec17-11ea-88f8-901b0ef719ab)