Bug 1772538 (CVE-2019-18786) - CVE-2019-18786 kernel: memory disclosure in rcar_drif_g_fmt_sdr_cap in drivers/media/platform/rcar_drif.c
Summary: CVE-2019-18786 kernel: memory disclosure in rcar_drif_g_fmt_sdr_cap in driver...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2019-18786
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1772539
Blocks: 1772540
TreeView+ depends on / blocked
 
Reported: 2019-11-14 15:04 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-01-28 08:09 UTC (History)
47 users (show)

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Last Closed: 2020-01-28 08:09:29 UTC
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Description Guilherme de Almeida Suckevicz 2019-11-14 15:04:24 UTC 
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.

Reference:
https://patchwork.linuxtv.org/patch/59542/
Comment 1 Guilherme de Almeida Suckevicz 2019-11-14 15:04:46 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1772539]
Comment 2 Justin M. Forbes 2019-11-14 17:25:27 UTC 
rcar_drif depends on ARCH_RENESAS which is not enabled in Fedora.
Comment 3 Wade Mealing 2020-01-24 03:07:49 UTC 
The same also for all RHEL based kernels.
Comment 4 Product Security DevOps Team 2020-01-28 08:09:29 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-18786
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