CVE-2016-9919

moderate-risk
Published 2016-12-08

The icmp6_send function in net/ipv6/icmp.c in the Linux kernel through 4.8.12 omits a certain check of the dst data structure, which allows remote attackers to cause a denial of service (panic) via a fragmented IPv6 packet.

Do I need to act?

~
5.5% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (4)

Affected Vendors

Linux

References (8)

Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e...
Mailing List http://www.openwall.com/lists/oss-security/2016/12/08/15
Third Party Advisory http://www.securityfocus.com/bid/94824
Issue Tracking https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb...
Issue Tracking http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=79dc7e...
Mailing List http://www.openwall.com/lists/oss-security/2016/12/08/15
Third Party Advisory http://www.securityfocus.com/bid/94824
Issue Tracking https://github.com/torvalds/linux/commit/79dc7e3f1cd323be4c81aa1a94faa1b3ed987fb...
44
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 8/34 · Low
Exposure 10/34 · Low