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CVE-2018-14609

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Date: July 26, 2018

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.

Language: C

Severity Score

Related Resources (14)

https://usn.ubuntu.com/4118-1/
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-14609
https://www.debian.org/security/2018/dsa-4308
https://security-tracker.debian.org/tracker/CVE-2018-14609
https://usn.ubuntu.com/3821-1/
https://usn.ubuntu.com/3821-2/
http://www.securityfocus.com/bid/104917
https://access.redhat.com/security/cve/CVE-2018-14609
https://usn.ubuntu.com/4094-1/
https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html
https://nvd.nist.gov/vuln/detail/CVE-2018-14609
https://bugzilla.kernel.org/show_bug.cgi?id=199833
https://patchwork.kernel.org/patch/10500521/
https://www.mend.io/vulnerability-database/CVE-2018-14609

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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