CVE-2018-14609
Advisory lineage Upstream: 0 Downstream: 9
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
0.31% 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 __del_reloc_root() in fs/btrfs/relocation.c when mounting a crafted btrfs image, related to removing reloc rb_trees when reloc control has not been initialized.
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: 0.31%• Percentile: 54%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04
- debian•debian_linux
8.0 | 9.0
- linux•linux_kernel
≤ 4.17.10
References (9)
- https://usn.ubuntu.com/3821-1/
- http://www.securityfocus.com/bid/104917
- https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
- https://patchwork.kernel.org/patch/10500521/
- https://usn.ubuntu.com/3821-2/
- https://www.debian.org/security/2018/dsa-4308
- https://bugzilla.kernel.org/show_bug.cgi?id=199833
- https://usn.ubuntu.com/4094-1/
- https://usn.ubuntu.com/4118-1/