CVE-2019-3819
A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite…
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A flaw was found in the Linux kernel in the function hid_debug_events_read() in drivers/hid/hid-debug.c file which may enter an infinite loop with certain parameters passed from a userspace. A local privileged user ("root") can cause a system lock up and a denial of service. Versions from v4.18 and newer are vulnerable.
Timeline
ID reserved
By redhat
- 22 days later
· 22 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium4.2 | CVSS:3.0/AV:L/AC:L/PR:H/UI:R/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.46% · top 60% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.2.
Weakness
Affected products
The Linux Foundation · kernel:
- affected from v4.18 and newer
References (10)
- 106730 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3819 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-3932-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-3932-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- openSUSE-SU-2019:1193 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- USN-4115-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- USN-4118-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2019-3819)Record last updated .