CVE-2018-14613

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.

CVSS v3.0 NVD

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

CVSS v2.0 NVD

7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C

EPSS

2.48% chance of exploitation in the next 30 days, 84th percentile

Published

2018-07-27

Updated

2024-08-05

Proof-of-concept exploits (1)

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

Security advisories

• http://www.securityfocus.com/bid/104917
• https://patchwork.kernel.org/patch/10503147
• https://usn.ubuntu.com/3932-1
• https://usn.ubuntu.com/3932-2
• https://usn.ubuntu.com/4094-1
• https://usn.ubuntu.com/4118-1
• https://www.oracle.com/security-alerts/cpuApr2021.html

References

• CVE Record
• NVD entry