Upstream information

CVE-2017-12192 at MITRE

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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.9 4.6
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C AV:L/AC:L/Au:S/C:N/I:N/A:C
Access Vector Local Local
Access Complexity Low Low
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Complete Complete
CVSS v3 Scores
  SUSE
Base Score 5.5
Vector AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Access Vector Local
Access Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
SUSE Bugzilla entry: 1062840 [NEW]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP2 kernel-source Affected
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Affected
SUSE Linux Enterprise Server 11 SP3 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 12 GA LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP1 LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 kernel-source Affected
SUSE Linux Enterprise Server 12 SP3 kernel-source Affected