Bug 2221463 (CVE-2023-3567) - CVE-2023-3567 kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
Summary: CVE-2023-3567 kernel: use after free in vcs_read in drivers/tty/vt/vc_screen....
Keywords:
Status: NEW
Alias: CVE-2023-3567
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2221465 2221466 2221467 2221468
Blocks: 2186438
TreeView+ depends on / blocked
 
Reported: 2023-07-09 09:15 UTC by Rohit Keshri
Modified: 2023-08-11 22:02 UTC (History)
46 users (show)

Fixed In Version: kernel 6.2-rc7
Doc Type: ---
Doc Text:
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This flaw allows an attacker with local user access to cause a system crash or leak internal kernel information.
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Description Rohit Keshri 2023-07-09 09:15:20 UTC 
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. In this flaw an attacker with local user access may ead to a system crash or a leak of internal kernel information.

Reference:
https://www.spinics.net/lists/stable-commits/msg285184.html
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