Out-of-bounds Read in Linux Kernel
CVE-2018-10877
Linux kernel ext4 filesystem is vulnerable to an out-of-bound access in the ext4_ext_drop_refs() function when operating on a crafted ext4 filesystem image.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.022 (82.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.022 · change: -0.000
Affected products
- Linux Kernel — versions 4.16, 4.17
- [Unknown] Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux — versions 7.0
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- usn.ubuntu.com/3753-2/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3754-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3871-5/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3871-4/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/07/msg00020.html (mailing-list, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:2948 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3871-1/ (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/106503 (VDB Entry, Third Party Advisory, vdb-entry)
- usn.ubuntu.com/3753-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-10877?
- CVE-2018-10877 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2018-07-18.
- How severe is CVE-2018-10877?
- High severity. CVSS v3 base score is 7.3 out of 10.