CVE-2018-10940

medium

Description

The cdrom_ioctl_media_changed function in drivers/cdrom/cdrom.c in the Linux kernel before 4.16.6 allows local attackers to use a incorrect bounds check in the CDROM driver CDROM_MEDIA_CHANGED ioctl to read out kernel memory.

References

https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.6

https://usn.ubuntu.com/3754-1/

https://usn.ubuntu.com/3695-2/

https://usn.ubuntu.com/3695-1/

https://usn.ubuntu.com/3676-2/

https://usn.ubuntu.com/3676-1/

https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html

https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html

https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html

https://github.com/torvalds/linux/commit/9de4ee40547fd315d4a0ed1dd15a2fa3559ad707

https://access.redhat.com/errata/RHSA-2018:3096

https://access.redhat.com/errata/RHSA-2018:3083

https://access.redhat.com/errata/RHSA-2018:2948

http://www.securityfocus.com/bid/104154

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de4ee40547fd315d4a0ed1dd15a2fa3559ad707

Details

Source: Mitre, NVD

Published: 2018-05-09

Updated: 2018-10-31

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H