Vulnerability DatabaseCVE-2018-10840
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CVE-2018-10840
Published:July 16, 2018
Updated:May 17, 2026
Linux kernel is vulnerable to a heap-based buffer overflow in the fs/ext4/xattr.c:ext4_xattr_set_entry() function. An attacker could exploit this by operating on a mounted crafted ext4 image.
Related Resources (8)
http://www.securityfocus.com/bid/104858
https://usn.ubuntu.com/3752-1/
https://access.redhat.com/errata/RHSA-2019:0162
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-10840
https://usn.ubuntu.com/3752-3/
https://access.redhat.com/security/cve/CVE-2018-10840
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840
https://usn.ubuntu.com/3752-2/
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CVSS v4
Base Score:
5.2
Attack Vector
PHYSICAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.2
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Heap-based Buffer Overflow
CWE-122
Out-of-bounds Write
CWE-787
EPSS
Base Score:
0.10