CVE-2019-19227
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/appletalk/aarp.c and net/appletalk/ddp.c, as demonstrated by unregister_snap_client, aka CID-9804501fa122.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-19227
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-19227.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.2.6-1 |
| debian | bullseye | fixed | 5.2.6-1 |
| debian | forky | fixed | 5.2.6-1 |
| debian | sid | fixed | 5.2.6-1 |
| debian | trixie | fixed | 5.2.6-1 |
References
Verify integrity in audit chain (admin only). AS-IS.