Vulnerability Details : 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.
Products affected by CVE-2018-14613
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-14613
0.12%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 47 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-14613
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.1
|
HIGH | AV:N/AC:M/Au:N/C:N/I:N/A:C |
8.6
|
6.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2018-14613
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-14613
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
[SECURITY] [DLA 2241-2] linux security update
-
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
[SECURITY] [DLA 1715-1] linux-4.9 security update
-
http://www.securityfocus.com/bid/104917
Linux Kernel Multiple Denial of Service VulnerabilitiesThird Party Advisory;VDB Entry
-
https://usn.ubuntu.com/4094-1/
USN-4094-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://usn.ubuntu.com/4118-1/
USN-4118-1: Linux kernel (AWS) vulnerabilities | Ubuntu security notices
-
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
[SECURITY] [DLA 2241-1] linux security update
-
https://usn.ubuntu.com/3932-1/
USN-3932-1: Linux kernel vulnerabilities | Ubuntu security notices
-
https://bugzilla.kernel.org/show_bug.cgi?id=199849
199849 – Invalid pointer dereference in io_ctl_map_page() when mounting and operating a crafted btrfs imageExploit;Issue Tracking;Third Party Advisory
-
https://www.oracle.com/security-alerts/cpuApr2021.html
Oracle Critical Patch Update Advisory - April 2021
-
https://patchwork.kernel.org/patch/10503147/
[v3] btrfs: tree-checker: Verify block_group_item - PatchworkPatch;Third Party Advisory
-
https://usn.ubuntu.com/3932-2/
USN-3932-2: Linux kernel (Xenial HWE) vulnerabilities | Ubuntu security notices
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