CVE-2022-1462

CVSS V2 Low 3.3 CVSS V3 Medium 6.3
Description
An out-of-bounds read flaw was found in the Linux kernel’s TeleTYpe subsystem. The issue occurs in how a user triggers a race condition using ioctls TIOCSPTLCK and TIOCGPTPEER and TIOCSTI and TCXONC with leakage of memory in the flush_to_ldisc function. This flaw allows a local user to crash the system or read unauthorized random data from memory.
Overview
  • CVE ID
  • CVE-2022-1462
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-06-02T14:15:32
  • Last Modified Date
  • 2022-10-29T02:45:34
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:a:linux:linux_kernel:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:M/Au:N/C:P/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.3
  • Severity
  • LOW
  • Exploitability Score
  • 3.4
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 6.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1
  • Impact Score
  • 5.2
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2078466 Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.html Mailing List Third Party Advisory
https://seclists.org/oss-sec/2022/q2/155 Exploit Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2022-1462
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1462
History
Created Old Value New Value Data Type Notes
2022-06-02 15:00:08 Added to TrackCVE