CVEvulnerability

CVE-2017-12192

5.5 MEDIUM Published 2017-10-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-10-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-476

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 configurations

• linux linux kernel (<= 4.13.4)

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References