CVE-2017-18261

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
The arch_timer_reg_read_stable macro in arch/arm64/include/asm/arch_timer.h in the Linux kernel before 4.13 allows local users to cause a denial of service (infinite recursion) by writing to a file under /sys/kernel/debug in certain circumstances, as demonstrated by a scenario involving debugfs, ftrace, PREEMPT_TRACER, and FUNCTION_GRAPH_TRACER.
Overview
  • CVE ID
  • CVE-2017-18261
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2018-04-19T08:29:00
  • Last Modified Date
  • 2019-10-03T00:03:26
Weakness Enumerations
CWE URL
CWE-835 http://cwe.mitre.org/data/definitions/835.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 1 OR 4.13
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://github.com/torvalds/linux/commit/adb4f11e0a8f4e29900adb2b7af28b6bbd5c1fa4 Patch Vendor Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=adb4f11e0a8f4e29900adb2b7af28b6bbd5c1fa4 Patch Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2017-18261
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-18261
History
Created Old Value New Value Data Type Notes
2022-05-10 17:24:35 Added to TrackCVE
2022-12-03 05:24:31 2018-04-19T08:29Z 2018-04-19T08:29:00 CVE Published Date updated
2022-12-03 05:24:31 2019-10-03T00:03:26 CVE Modified Date updated
2022-12-03 05:24:31 Analyzed Vulnerability Status updated