Buffer overflow in Linux Kernel
CVE-2018-10940
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- Linux Kernel
- Debian Linux — versions 7.0
Weakness classification (CWE)
References
- usn.ubuntu.com/3676-1/ (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3083 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00015.html (mailing-list)
- usn.ubuntu.com/3695-1/ (vendor-advisory)
- usn.ubuntu.com/3695-2/ (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- lists.debian.org/debian-lts-announce/2018/07/msg00016.html (mailing-list)
- lists.debian.org/debian-lts-announce/2018/06/msg00000.html (mailing-list, Third Party Advisory)
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.16.6 (Release Notes)
- usn.ubuntu.com/3754-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-10940?
- CVE-2018-10940 is a medium-severity vulnerability in Linux Kernel, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2018-05-09.
- How severe is CVE-2018-10940?
- Medium severity. CVSS v3 base score is 5.5 out of 10.