CVE-2019-12818
7.5
HIGH
CVSS 3.1
EPSS 5.5%
Description
An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c.
How to fix CVE-2019-12818
To remediate CVE-2019-12818, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 4.19.28-1 or later
Is CVE-2019-12818 being exploited?
Moderate — EPSS is 5.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (1)
- from 0, < 4.19.28-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |