CVE-2018-10840

MEDIUM
6.6
CVSS Score
Published: July 16, 2018 at 08:00 PM UTC
Updated: June 17, 2026 at 01:34 AM UTC
4 products affected across 4 vendorsLinux KernelUbuntu LinuxEnterprise Linux

Using heap-based buffer overflow in fs/ext4/xattr.c by kernel?

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Severity
MEDIUM6.6
Exploit prediction
EPSS 0.7%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/104858
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:0162
x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3752-1/
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3752-2/
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
https://usn.ubuntu.com/3752-3/

CVSS

Attack Vector
PHYSICAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-787

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