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CVE-2018-11412

Date: May 24, 2018

In the Linux kernel 4.13 through 4.16.11, ext4_read_inline_data() in fs/ext4/inline.c performs a memcpy with an untrusted length value in certain circumstances involving a crafted filesystem that stores the system.data extended attribute value in a dedicated inode.

Language: C

Severity Score

Related Resources (12)

https://www.exploit-db.com/exploits/44832/
https://bugzilla.kernel.org/show_bug.cgi?id=199803
https://access.redhat.com/errata/RHSA-2019:0525
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-11412
https://usn.ubuntu.com/3752-1/
https://usn.ubuntu.com/3752-2/
https://usn.ubuntu.com/3752-3/
https://access.redhat.com/security/cve/CVE-2018-11412
http://www.securityfocus.com/bid/104291
https://bugs.chromium.org/p/project-zero/issues/detail?id=1580
https://nvd.nist.gov/vuln/detail/CVE-2018-11412
https://www.mend.io/vulnerability-database/CVE-2018-11412

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
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): PARTIAL
Additional information:

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