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.
References
Link | Resource |
---|---|
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:24.ipv6.asc | Vendor Advisory |
Configurations
Configuration 1 (hide)
|
History
02 Apr 2021, 18:11
Type | Values Removed | Values Added |
---|---|---|
CVSS |
v2 : v3 : |
v2 : 4.9
v3 : 5.5 |
CWE | CWE-416 | |
References | (MISC) https://security.FreeBSD.org/advisories/FreeBSD-SA-20:24.ipv6.ascĀ - Vendor Advisory | |
CPE | cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p12:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* |
26 Mar 2021, 21:27
Type | Values Removed | Values Added |
---|---|---|
New CVE |
Information
Published : 2021-03-26 21:15
Updated : 2023-12-10 13:55
NVD link : CVE-2020-7462
Mitre link : CVE-2020-7462
CVE.ORG link : CVE-2020-7462
JSON object : View
Products Affected
freebsd
- freebsd
CWE
CWE-416
Use After Free