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Vulnerability record · CVE-2023-6917 · published 28 February 2024

CVE-2023-6917: Sgi performance co-pilot toctou race condition vulnerability

Sgi · Performance Co Pilot

A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.

6.7 CVSS 3.1 Medium EPSS 0.20% · top 91.2% CWE-367 · TOCTOU race condition
6.7CVSS 3.1 base score
0.20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

A vulnerability has been identified in the Performance Co-Pilot (PCP) package, stemming from the mixed privilege levels utilized by systemd services associated with PCP. While certain services operate within the confines of limited PCP user/group privileges, others are granted full root privileges. This disparity in privilege levels poses a risk when privileged root processes interact with directories or directory trees owned by unprivileged PCP users. Specifically, this vulnerability may lead to the compromise of PCP user isolation and facilitate local PCP-to-root exploits, particularly through symlink attacks. These vulnerabilities underscore the importance of maintaining robust privilege separation mechanisms within PCP to mitigate the potential for unauthorized privilege escalation.

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2024:2213 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-6917 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254983 Issue TrackingThird Party Advisory
https://access.redhat.com/errata/RHSA-2024:2213 Third Party Advisory
https://access.redhat.com/security/cve/CVE-2023-6917 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254983 Issue TrackingThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2023-6917), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.