Bug 1778860 (CVE-2019-19252) - CVE-2019-19252 kernel: vcs_write in drivers/tty/vt/vc_screen.c does not prevent write access to vcsu devices
Summary: CVE-2019-19252 kernel: vcs_write in drivers/tty/vt/vc_screen.c does not preve...
Keywords:
Status: NEW
Alias: CVE-2019-19252
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: 1778861
Blocks: 1778862
TreeView+ depends on / blocked
 
Reported: 2019-12-02 16:49 UTC by Guilherme de Almeida Suckevicz
Modified: 2019-12-10 01:57 UTC (History)
47 users (show)

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Description Guilherme de Almeida Suckevicz 2019-12-02 16:49:21 UTC
vcs_write in drivers/tty/vt/vc_screen.c in the Linux kernel through 5.3.13 does not prevent write access to vcsu devices, aka CID-0c9acb1af77a.

Reference and upstream commit:
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-testing&id=0c9acb1af77a3cb8707e43f45b72c95266903cee

Comment 1 Guilherme de Almeida Suckevicz 2019-12-02 16:51:34 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1778861]


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