CVE-2018-10940 Information

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.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9de4ee40547fd315d4a0ed1dd15a2fa3559ad707 http://www.securityfocus.com/bid/104154 https://access.redhat.com/errata/RHSA-2018:2948 https://access.redhat.com/errata/RHSA-2018:3083 https://access.redhat.com/errata/RHSA-2018:3096 https://github.com/torvalds/linux/commit/9de4ee40547fd315d4a0ed1dd15a2fa3559ad707 https://lists.debian.org/debian-lts-announce/2018/06/msg00000.html https://lists.debian.org/debian-lts-announce/2018/07/msg00015.html https://lists.debian.org/debian-lts-announce/2018/07/msg00016.html https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html https://usn.ubuntu.com/3676-1/ https://usn.ubuntu.com/3676-2/ https://usn.ubuntu.com/3695-1/ https://usn.ubuntu.com/3695-2/ https://usn.ubuntu.com/3754-1/ https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.6

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5