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CVE-2017-18241

Good to know:

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Date: March 21, 2018

fs/f2fs/segment.c in the Linux kernel before 4.13 allows local users to cause a denial of service (NULL pointer dereference and panic) by using a noflush_merge option that triggers a NULL value for a flush_cmd_control data structure.

Language: C

Severity Score

Related Resources (10)

https://usn.ubuntu.com/3910-1/
https://usn.ubuntu.com/3910-2/
https://security-tracker.debian.org/tracker/CVE-2017-18241
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4fdf8ba0e5808ba9ad6b44337783bd9935e0982
https://www.debian.org/security/2018/dsa-4187
https://github.com/torvalds/linux/commit/d4fdf8ba0e5808ba9ad6b44337783bd9935e0982
https://www.debian.org/security/2018/dsa-4188
https://nvd.nist.gov/vuln/detail/CVE-2017-18241
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-18241
https://www.mend.io/vulnerability-database/CVE-2017-18241

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): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

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

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