Use After Free in Linux Kernel
CVE-2018-10876
A flaw was found in Linux kernel in the ext4 filesystem code. A use-after-free is possible in ext4_ext_remove_space() function when mounting and operating a crafted ext4 image.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.008 (54.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000
Affected products
- Linux Kernel
- [Unknown] Kernel
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patchwork.ozlabs.org/patch/929239/ (Patch)
- usn.ubuntu.com/3753-2/ (vendor-advisory, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch)
- 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, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking)
- usn.ubuntu.com/3871-1/ (vendor-advisory, Third Party Advisory)
- bugzilla.kernel.org/show_bug.cgi (Exploit, Issue Tracking)
- access.redhat.com/errata/RHSA-2019:0525 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-10876?
- CVE-2018-10876 is a medium-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 5.0/10. Published 2018-07-26.
- How severe is CVE-2018-10876?
- Medium severity. CVSS v3 base score is 5.0 out of 10.
- Is CVE-2018-10876 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.