Vulnerability DatabaseCVE-2018-14611
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CVE-2018-14611
Published:July 27, 2018
Updated:May 17, 2026
An issue was discovered in the Linux kernel through 4.17.10. There is a use-after-free in try_merge_free_space() when mounting a crafted btrfs image, because of a lack of chunk type flag checks in btrfs_check_chunk_valid in fs/btrfs/volumes.c.
Related Resources (11)
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://bugzilla.kernel.org/show_bug.cgi?id=199839
https://usn.ubuntu.com/3932-1/
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/3932-2/
http://www.securityfocus.com/bid/104917
https://usn.ubuntu.com/4094-1/
https://patchwork.kernel.org/patch/10503099/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-14611
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.5
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Use After Free
CWE-416
EPSS
Base Score:
0.26