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CVE-2017-15299

Date: October 14, 2017

The KEYS subsystem in the Linux kernel through 4.13.7 mishandles use of add_key for a key that already exists but is uninstantiated, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via a crafted system call.

Language: C

Severity Score

Related Resources (13)

https://www.mail-archive.com/linux-kernel%40vger.kernel.org/msg1499828.html
https://nvd.nist.gov/vuln/detail/CVE-2017-15299
https://marc.info/?t=150654188100001&r=1&w=2
https://access.redhat.com/security/cve/CVE-2017-15299
https://access.redhat.com/errata/RHSA-2018:0654
https://bugzilla.redhat.com/show_bug.cgi?id=1498016
https://usn.ubuntu.com/3798-1/
https://usn.ubuntu.com/3798-2/
https://marc.info/?t=150783958600011&r=1&w=2
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15299
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
https://security-tracker.debian.org/tracker/CVE-2017-15299
https://www.mend.io/vulnerability-database/CVE-2017-15299

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

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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