CVE-2018-10940

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2018-10940?
CVE-2018-10940 has been scored as a medium severity vulnerability.
How to fix CVE-2018-10940?
To fix CVE-2018-10940, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-10940 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-10940 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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