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CVE-2018-14613
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
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..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.1/10
- Exploit Score
- 8.6/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- None
- Impact Score
- 6.9/10
- Confidentiality Impact
- None
- Availability Impact
- Complete
- Integrity Impact
- None
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.5/10
- Exploit Score
- 1.8/10
- Access Vector
- Local
- Access Complexity
- Low
- Privileges Required
- None
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- High
- Integrity Impact
- None
- Scope
- Unchanged
- User Interaction
- Required
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- https://patchwork.kernel.org/patch/10503147/
- https://bugzilla.kernel.org/show_bug.cgi?id=199849
- http://www.securityfocus.com/bid/104917
- https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
- https://usn.ubuntu.com/3932-2/
- https://usn.ubuntu.com/3932-1/
- 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