CVE-2023-28339

High

OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD 6.0 and later, and can be made unavailable in the Linux kernel 6.2 and later.

Package Linux Kernel
Published 2023-03-14
Last modified 2025-02-27
CVSS version 3.1
Patch available
Awaiting data

CVSS 3.1 score

8.8

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-269

CVE-2023-28339 is classified as CWE-269

See CWE-269 on MITRE CWE for full details on this weakness type.

References

The following references provide additional information about CVE-2023-28339 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Frequently asked questions

  • What is CVE-2023-28339?

    CVE-2023-28339 is a High severity Linux kernel vulnerability with a CVSS score of 8.8 out of 10 . CVE-2023-28339 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2023-28339?

    CVE-2023-28339 has a CVSS score of 8.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2023-28339?

    No patch is currently available for CVE-2023-28339. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

  • Is CVE-2023-28339 actively exploited?

    No — CVE-2023-28339 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.