CVE-2018-14613

medium

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.

References

Advisories
More

https://usn.ubuntu.com/4118-1/

https://usn.ubuntu.com/4094-1/

https://usn.ubuntu.com/3932-2/

https://usn.ubuntu.com/3932-1/

https://patchwork.kernel.org/patch/10503147/

http://www.securityfocus.com/bid/104917

https://www.oracle.com/security-alerts/cpuApr2021.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html

https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html

https://bugzilla.kernel.org/show_bug.cgi?id=199849

Details

Source: Mitre, NVD

Published: 2018-07-27

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 5.5

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

Severity: Medium

EPSS

EPSS: 0.00085