CVE-2017-2618

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
Overview
  • CVE ID
  • CVE-2017-2618
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-07-27T19:29:00
  • Last Modified Date
  • 2023-02-12T23:29:07
Weakness Enumerations
CWE URL
CWE-193 http://cwe.mitre.org/data/definitions/193.html
CWE-682 http://cwe.mitre.org/data/definitions/682.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.9.10
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* 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_aus:7.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.3:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* 1 OR
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
http://www.securityfocus.com/bid/96272 Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:0931 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0932 Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:0933 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2017-2618
https://bugzilla.redhat.com/show_bug.cgi?id=1419916
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2618 Issue Tracking Patch Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=0c461cb727d146c9ef2d3e86214f498b78b7d125 Patch Vendor Advisory
https://marc.info/?l=selinux&m=148588165923772&w=2 Patch Third Party Advisory
https://www.debian.org/security/2017/dsa-3791 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-2618
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2618
History
Created Old Value New Value Data Type Notes
2022-05-10 17:09:38 Added to TrackCVE
2022-12-03 10:36:33 2018-07-27T19:29Z 2018-07-27T19:29:00 CVE Published Date updated
2022-12-03 10:36:33 2019-10-09T23:26:57 CVE Modified Date updated
2022-12-03 10:36:33 Modified Vulnerability Status updated
2023-02-02 17:07:51 2023-02-02T16:18:13 CVE Modified Date updated
2023-02-02 17:07:52 A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. Description updated
2023-02-02 17:07:57 References updated
2023-02-13 01:08:19 2023-02-12T23:29:07 CVE Modified Date updated
2023-02-13 01:08:22 Weakness Enumeration update
2023-02-13 01:08:23 A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory. Description updated