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CVE-2017-15274

Date: October 11, 2017

security/keys/keyctl.c in the Linux kernel before 4.11.5 does not consider the case of a NULL payload in conjunction with a nonzero length value, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via a crafted add_key or keyctl system call, a different vulnerability than CVE-2017-12192.

Language: C

Severity Score

Related Resources (14)

https://access.redhat.com/security/cve/CVE-2017-15274
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3583-1/
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.5
http://www.securityfocus.com/bid/101292
https://github.com/torvalds/linux/commit/5649645d725c73df4302428ee4e02c869248b4c5
https://patchwork.kernel.org/patch/9781573/
https://bugzilla.suse.com/show_bug.cgi?id=1045327
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5649645d725c73df4302428ee4e02c869248b4c5
https://security-tracker.debian.org/tracker/CVE-2017-15274
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-15274
https://nvd.nist.gov/vuln/detail/CVE-2017-15274
https://access.redhat.com/errata/RHSA-2019:1946
https://www.mend.io/vulnerability-database/CVE-2017-15274

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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