CVE-2018-14613

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

Published Jul 27, 2018 CVSS 3.0 · 5.5 Medium EPSS 2.5% KEV · Not listed
Description
An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1715-1 linux-4.9 security update
Debian DLA Debian DLA DLA-2241-1 linux security update
Debian DLA Debian DLA DLA-2241-2 linux security update
EUVD EUVD EUVD-2018-6520 An issue was discovered in the Linux kernel through 4.17.10. There is an invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs image, because of a lack of block group item validation in check_leaf_item in fs/btrfs/tree-checker.c.
Ubuntu USN Ubuntu USN USN-3932-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3932-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-4094-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4118-1 Linux kernel (AWS) vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.00241}

epss

{'score': 0.00105}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 9:29 AM
Reserved
Jul 26, 2018, 12:00 AM
Status
Modified
Published
Jul 27, 2018, 4:29 AM
Modified
Jun 17, 2026, 1:41 AM
Severity
Low
Public date
May 26, 2018, 12:00 AM