Upstream information

CVE-2018-13093 at MITRE

Description

An issue was discovered in fs/xfs/xfs_icache.c in the Linux kernel through 4.17.3. There is a NULL pointer dereference and panic in lookup_slow() on a NULL inode->i_ops pointer when doing pathwalks on a corrupted xfs image. This occurs because of a lack of proper validation that cached inodes are free during allocation.

SUSE information

Overall state of this security issue: New

This issue is currently rated as having moderate severity.

CVSS v3 Scores
  SUSE
Base Score 6.1
Vector AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Access Vector Local
Access Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact Low
Availability Impact High
SUSE Bugzilla entry: 1100001 [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Please note that this evaluation state might be work in progress, incomplete or outdated.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 SP3 kernel-source Analysis
SUSE Linux Enterprise Module for Basesystem 15 GA kernel-source Analysis
SUSE Linux Enterprise Module for Development Tools 15 GA kernel-source Analysis
SUSE Linux Enterprise Server 11 SP4 kernel-source Analysis
SUSE Linux Enterprise Server 12 SP3 kernel-source Analysis