CVE-2019-18786
Vulnerability Summary
Timeline
Description
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- v2.0•LOW•Score: 2.1AV:L/AC:L/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 0.35%• Percentile: 28%
Techniques & Countermeasures
- CWE-908•Use of Uninitialized Resource
The product uses or accesses a resource that has not been initialized.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 18.04 | 19.10
- debian•linux
< 5.4.8-1 | < 5.4.8-1 | < 5.4.8-1 | < 5.4.8-1
- ubuntu•linux
all | < 4.15.0-88.88
- ubuntu•linux-aws
all | < 4.15.0-1060.62
- ubuntu•linux-aws-5.0
< 5.0.0-1025.28
- ubuntu•linux-aws-hwe
< 4.15.0-1060.62~16.04.1
- ubuntu•linux-azure
< 4.15.0-1071.76~14.04.1 | < 4.15.0-1071.76 | < 5.0.0-1032.34
- ubuntu•linux-azure-5.3
< 5.3.0-1013.14~18.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-gcp
< 4.15.0-1055.59 | < 5.0.0-1031.32
- ubuntu•linux-gcp-5.3
< 5.3.0-1012.13~18.04.1
- ubuntu•linux-gcp-edge
all
- ubuntu•linux-gke-4.15
< 4.15.0-1052.55
- ubuntu•linux-gke-5.0
< 5.0.0-1030.31
- ubuntu•linux-gke-5.3
< 5.3.0-1012.13~18.04.1
- ubuntu•linux-hwe
< 4.15.0-88.88~16.04.1 | < 5.3.0-40.32~18.04.1
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-kvm
< 4.15.0-1053.53
- ubuntu•linux-lts-xenial
all
- ubuntu•linux-oem
< 4.15.0-1073.83
- ubuntu•linux-oem-osp1
< 5.0.0-1039.44
- ubuntu•linux-oracle
< 4.15.0-1033.36~16.04.1 | < 4.15.0-1033.36
- ubuntu•linux-oracle-5.0
< 5.0.0-1011.16
- ubuntu•linux-raspi2
< 4.15.0-1055.59 | all
- ubuntu•linux-raspi2-5.3
< 5.3.0-1018.20~18.04.1
- ubuntu•linux-snapdragon
< 4.15.0-1072.79
- linux•linux_kernel
≤ 5.3.8
References (13)
- https://patchwork.linuxtv.org/patch/59542/
- https://usn.ubuntu.com/4285-1/
- https://usn.ubuntu.com/4287-1/
- https://usn.ubuntu.com/4287-2/
- https://usn.ubuntu.com/4284-1/
- https://ubuntu.com/security/CVE-2019-18786
- https://lore.kernel.org/lkml/20191018044701.4786-1-kjlu@umn.edu/
- https://ubuntu.com/security/notices/USN-4284-1
- https://ubuntu.com/security/notices/USN-4285-1
- https://ubuntu.com/security/notices/USN-4287-1
- https://ubuntu.com/security/notices/USN-4287-2
- https://www.cve.org/CVERecord?id=CVE-2019-18786
- https://security-tracker.debian.org/tracker/CVE-2019-18786