CVE-2019-16994

low-risk
Published 2019-09-30

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.

Do I need to act?

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0.08% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.7/10 Medium
LOCAL / HIGH complexity

Affected Products (3)

Affected Vendors

Redhat Linux Opensuse

References (8)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Exploit https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12...
Patch https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6...
Third Party Advisory https://security.netapp.com/advisory/ntap-20191031-0005/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Exploit https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=07f12...
Patch https://github.com/torvalds/linux/commit/07f12b26e21ab359261bf75cfcb424fdc7daeb6...
Third Party Advisory https://security.netapp.com/advisory/ntap-20191031-0005/
21
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 9/34 · Low