CVE-2019-16994 — MEDIUM (4.7)

Vulnerability Description

In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b26e21a.

CVSS Score

4.7

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Linux	Linux Kernel	< 5.0
Opensuse	Leap	15.1
Redhat	Enterprise Linux	7.0

Related Weaknesses (CWE)

CWE-401

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing ListThird Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12ExploitIssue TrackingPatch
https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlMailing ListThird Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12ExploitIssue TrackingPatch
https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6PatchThird Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/Third Party Advisory

FAQ

What is CVE-2019-16994?

CVE-2019-16994 is a vulnerability with a CVSS score of 4.7 (MEDIUM). In the Linux kernel before 5.0, a memory leak exists in sit_init_net() in net/ipv6/sit.c when register_netdev() fails to register sitn->fb_tunnel_dev, which may cause denial of service, aka CID-07f12b...

How severe is CVE-2019-16994?

CVE-2019-16994 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-16994?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Opensuse Leap, Redhat Enterprise Linux.