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CVE-2019-12818

27
FAUCET Score

CVE-2019-12818 is a NULL pointer dereference vulnerability in the Linux kernel prior to version 4.20.15, specifically within the nfc_llcp_build_tlv function. This flaw can lead to a denial of service (DoS) condition. With a CVSS score of 7.5 (HIGH), it is remotely exploitable with low attack complexity and no user interaction required. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.20.15CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.48%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0548 is in the 86th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2019-12818Moderate

kernel: null-pointer dereference in function nfc_llcp_build_tlv in net/nfc/llcp_commands.c

Jun 13, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00039.html
lists.opensuse.org / opensuse-security-announce/2019-06/msg00040.html
lists.opensuse.org / opensuse-security-announce/2019-06/msg00048.html
packetstormsecurity.com / files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
github.com / torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5
PatchThird Party Advisory
git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Mailing ListPatchVendor Advisory
security.netapp.com / advisory/ntap-20190710-0002
support.f5.com / csp/article/K91444306
usn.ubuntu.com / 4094-1
usn.ubuntu.com / 4118-1
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.20.15
Mailing ListRelease NotesVendor Advisory
securityfocus.com / bid/108776
Third Party AdvisoryVDB Entry