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CVE-2017-12192

nvd nist
Published: Oct 12, 2017Modified: May 13, 2026

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5.5
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.

Affected (1)

Products: Linux: Linux Kernel
Linux
1 product
Linux Kernel
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Linux Kernel
Up to 4.13.4

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (16)

Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Issue TrackingThird Party Advisory
Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.