CVE-2019-18786 json
In the Linux kernel through 5.3.8, f->fmt.sdr.reserved is uninitialized in rcar_drif_g_fmt_sdr_cap in drivers/media/platform/rcar_drif.c, w…
published 2019-11-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8494
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
In the Linux kernel through 5.3.8, f->fmt.sdr.reserved is uninitialized in rcar_drif_g_fmt_sdr_cap in drivers/media/platform/rcar_drif.c, which could cause a memory disclosure problem.
Patch / fix
- linux Debian 14, Debian 13, Debian 12 5.4.8-1
debian advisories DEBIAN-CVE-2019-18786
- linux Ubuntu 18.04 LTS 4.15.0-88.88
- linux-aws Ubuntu 18.04 LTS 4.15.0-1060.62
- linux-gcp Ubuntu 16.04 LTS 4.15.0-1055.59
- linux-gcp Ubuntu 18.04 LTS 5.0.0-1031.32
- linux-hwe Ubuntu 16.04 LTS 4.15.0-88.88~16.04.1
- linux-hwe Ubuntu 18.04 LTS 5.3.0-40.32~18.04.1
- linux-kvm Ubuntu 18.04 LTS 4.15.0-1053.53
- linux-oem Ubuntu 18.04 LTS 4.15.0-1073.83
ubuntu advisories UBUNTU-CVE-2019-18786
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- patchwork.linuxtv.org/patch/59542/ advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2019-18786 updated cvss 3.3
kernel: memory disclosure in rcar_drif_g_fmt_sdr_cap in drivers/media/platform/rcar_drif.c
-
Red Hat Enterprise Linux 5 kernel Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, kernel-alt, python-perf, +9 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmwarenot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
- Technology feeds
References
-
patchwork.linuxtv.org
/patch/59542/
issue-tracking, patch, third-party-advisory
-
usn.ubuntu.com
/4285-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4287-1/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4287-2/
vendor-advisory, third-party-advisory
-
usn.ubuntu.com
/4284-1/
vendor-advisory, third-party-advisory
Sources
- CVE List CVE-2019-18786
- NVD CVE-2019-18786
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.