CVE-2018-1091

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
Overview
  • CVE ID
  • CVE-2018-1091
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-03-27T21:29:00
  • Last Modified Date
  • 2018-05-10T01:29:05
Weakness Enumerations
CWE URL
CWE-119 http://cwe.mitre.org/data/definitions/119.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.13.4
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5 Patch Vendor Advisory
https://github.com/torvalds/linux/commit/c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1558149 Issue Tracking Third Party Advisory
https://access.redhat.com/security/cve/cve-2018-1091 Third Party Advisory
http://openwall.com/lists/oss-security/2018/03/27/4 Mailing List Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c1fa0768a8713b135848f78fd43ffc208d8ded70 Patch Vendor Advisory
https://marc.info/?l=linuxppc-embedded&m=150535531910494&w=2 Patch Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1318
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-1091
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1091
History
Created Old Value New Value Data Type Notes
2022-05-10 18:43:52 Added to TrackCVE
2022-12-03 03:55:41 2018-03-27T21:29Z 2018-03-27T21:29:00 CVE Published Date updated
2022-12-03 03:55:41 2018-05-10T01:29:05 CVE Modified Date updated
2022-12-03 03:55:41 Modified Vulnerability Status updated