CVE-2018-14613
Advisory lineage Upstream: 0 Downstream: 15
Modified
Published: 27 Jul 2018, 04:00
Last modified:05 Aug 2024, 09:29
Vulnerability Summary
Overall Risk (default)
medium
38/100 CVSS Score
7.1 HIGH
v2.0 (nvd)
EPSS Score
0.1% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
27 Jul 2018, 04:00
Published
Vulnerability first disclosed
05 Aug 2024, 09:29
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- v2.0•HIGH•Score: 7.1AV:N/AC:M/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.10%• Percentile: 28%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
≤ 4.17.10
References (11)
- http://www.securityfocus.com/bid/104917
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- 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://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://patchwork.kernel.org/patch/10503147/
- https://bugzilla.kernel.org/show_bug.cgi?id=199849