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CVE-2018-14613

21
FAUCET Score

CVE-2018-14613 is an invalid pointer dereference vulnerability affecting the Linux kernel through version 4.17.10, specifically within the btrfs filesystem. This flaw can be triggered by mounting and operating a specially crafted btrfs image due to insufficient block group item validation. Rated Medium severity (CVSS 5.5), it requires local access and user interaction (e.g., mounting a malicious image) to achieve a denial-of-service impact. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.17.10CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.51%
Probability of exploitation in next 30 days
EPSS Percentile
83.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0251 is in the 92nd percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (2)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2018-14613Low

kernel: Invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image

May 26, 2018

References

bugzilla.kernel.org / show_bug.cgi
ExploitIssue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2019/03/msg00017.html
lists.debian.org / debian-lts-announce/2020/06/msg00011.html
lists.debian.org / debian-lts-announce/2020/06/msg00013.html
patchwork.kernel.org / patch/10503147
PatchThird Party Advisory
usn.ubuntu.com / 3932-1
usn.ubuntu.com / 3932-2
usn.ubuntu.com / 4094-1
usn.ubuntu.com / 4118-1
oracle.com / security-alerts/cpuApr2021.html
securityfocus.com / bid/104917
Third Party AdvisoryVDB Entry