Upstream information

CVE-2017-17807 at MITRE

Description

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an access-control check when adding a key to the current task's "default request-key keyring" via the request_key() system call, allowing a local user to use a sequence of crafted system calls to add keys to a keyring with only Search permission (not Write permission) to that keyring, related to construct_get_dest_keyring() in security/keys/request_key.c.

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 2.1 3.3
Vector AV:L/AC:L/Au:N/C:N/I:P/A:N AV:L/AC:M/Au:N/C:P/I:N/A:P
Access Vector Local Local
Access Complexity Low Medium
Authentication None None
Confidentiality Impact None Partial
Integrity Impact Partial None
Availability Impact None Partial
CVSS v3 Scores
  SUSE
Base Score 5.1
Vector AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Access Vector Local
Access Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact Low
SUSE Bugzilla entry: 1073860 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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 Unsupported
SUSE Linux Enterprise Desktop 12 SP3 kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 12 SP2 kernel-source Unsupported
SUSE Linux Enterprise Server 12 SP3 kernel-source Affected