CVE-2020-7462
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.
Related CPE's
CvssV3 impact
BaseSeverity | MEDIUM |
ConfidentialityImpact | NONE |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | LOCAL |
AvailabilityImpact | HIGH |
IntegrityImpact | NONE |
PrivilegesRequired | LOW |
BaseScore | 5.5 |
VectorString | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | NONE |
AvailabilityImpact | COMPLETE |
IntegrityImpact | NONE |
BaseScore | 4.9 |
VectorString | AV:L/AC:L/Au:N/C:N/I:N/A:C |
Version | 2.0 |
AccessVector | LOCAL |
Authentication | NONE |