CVE-2018-17972

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
An issue was discovered in the proc_pid_stack function in fs/proc/base.c in the Linux kernel through 4.18.11. It does not ensure that only root may inspect the kernel stack of an arbitrary task, allowing a local attacker to exploit racy stack unwinding and leak kernel task stack contents.
Overview
  • CVE ID
  • CVE-2018-17972
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-10-03T22:29:00
  • Last Modified Date
  • 2020-10-15T13:28:10
Weakness Enumerations
CWE URL
CWE-362 http://cwe.mitre.org/data/definitions/362.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.18.11
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:C/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • 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:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://marc.info/?l=linux-fsdevel&m=153806242024956&w=2 Patch Third Party Advisory
http://www.securityfocus.com/bid/105525 Third Party Advisory VDB Entry
https://usn.ubuntu.com/3821-2/ Third Party Advisory
https://usn.ubuntu.com/3821-1/ Third Party Advisory
https://usn.ubuntu.com/3832-1/ Third Party Advisory
https://usn.ubuntu.com/3835-1/ Third Party Advisory
https://usn.ubuntu.com/3871-1/ Third Party Advisory
https://usn.ubuntu.com/3880-2/ Third Party Advisory
https://usn.ubuntu.com/3871-4/ Third Party Advisory
https://usn.ubuntu.com/3871-3/ Third Party Advisory
https://usn.ubuntu.com/3880-1/ Third Party Advisory
https://usn.ubuntu.com/3871-5/ Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0514 Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0512 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00017.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
https://access.redhat.com/errata/RHSA-2019:0831
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00043.html
https://access.redhat.com/errata/RHSA-2019:2473
https://support.f5.com/csp/article/K27673650?utm_source=f5support&utm_medium=RSS
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-17972
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17972
History
Created Old Value New Value Data Type Notes
2022-05-10 17:08:37 Added to TrackCVE
2022-12-03 12:50:51 2018-10-03T22:29Z 2018-10-03T22:29:00 CVE Published Date updated
2022-12-03 12:50:51 2020-10-15T13:28:10 CVE Modified Date updated
2022-12-03 12:50:51 Modified Vulnerability Status updated