CVE-2019-16994

unknown

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

—

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-16994

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-16994.html

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	bookworm	fixed	`4.19.28-1`
debian	bullseye	fixed	`4.19.28-1`
debian	forky	fixed	`4.19.28-1`
debian	sid	fixed	`4.19.28-1`
debian	trixie	fixed	`4.19.28-1`

References

https://www.suse.com/security/cve/CVE-2019-16994.html
https://security-tracker.debian.org/tracker/CVE-2019-16994

Verify integrity in audit chain (admin only). AS-IS.