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CVE-2018-13097

Good to know:

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Date: July 3, 2018

An issue was discovered in fs/f2fs/super.c in the Linux kernel through 4.17.3. There is an out-of-bounds read or a divide-by-zero error for an incorrect user_block_count in a corrupted f2fs image, leading to a denial of service (BUG).

Language: C

Severity Score

Related Resources (14)

https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2018-10/msg00033.html
https://usn.ubuntu.com/4118-1/
https://usn.ubuntu.com/3932-2/
https://usn.ubuntu.com/3932-1/
https://nvd.nist.gov/vuln/detail/CVE-2018-13097
https://bugzilla.kernel.org/show_bug.cgi?id=200171
https://seclists.org/bugtraq/2019/Jan/52
http://packetstormsecurity.com/files/151420/Slackware-Security-Advisory-Slackware-14.2-kernel-Updates.html
https://usn.ubuntu.com/4094-1/
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9dc956b2c8523aed39d1e6508438be9fea28c8fc
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-13097
https://security-tracker.debian.org/tracker/CVE-2018-13097
https://www.mend.io/vulnerability-database/CVE-2018-13097

Severity Score

Weakness Type (CWE)

Divide By Zero

CWE-369

Out-of-bounds Read

CWE-125

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): PARTIAL
Additional information:

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