CVE-2019-12378

Description

An issue was discovered in ip6_ra_control in net/ipv6/ipv6_sockglue.c in the Linux kernel through 5.1.5. There is an unchecked kmalloc of new_ra, which might allow an attacker to cause a denial of service (NULL pointer dereference and system crash). NOTE: This has been disputed as not an issue

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lkml.org/lkml/2019/5/25/229 patch mailing list third party advisory
https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=95baa60a0da80a0143e3ddd4d3725758b4513825 patch vendor advisory mailing list
http://www.securityfocus.com/bid/108475 third party advisory vdb entry
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KLGWJKLMTBBB53D5QLS4HOY2EH246WBE/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J36BIJTKEPUOZKJNHQBUZA47RQONUKOI/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-12378?
CVE-2019-12378 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12378?
To fix CVE-2019-12378, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-12378 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-12378 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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