Pcp: pmpost symlink attack allows escalating pcp to root user
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Partial Red Hat: 12 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat.
Summary
A vulnerability was found in Performance Co-Pilot (PCP). This flaw can only be exploited if an attacker has access to a compromised PCP system account. The issue is related to the pmpost tool, which is used to log messages in the system. Under certain conditions, it runs with high-level privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | pcp | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 8 | — | 5.3.7-22.el8_10 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.2 Advanced Update Support | — | 5.0.2-9.el8_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support | — | 5.2.5-8.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Telecommunications Update Service | — | 5.2.5-8.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions | — | 5.2.5-8.el8_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support | — | 5.3.5-10.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Telecommunications Update Service | — | 5.3.5-10.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions | — | 5.3.5-10.el8_6 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 8.8 Extended Update Support | — | 5.3.7-19.el8_8 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 6.2.0-5.el9_4 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | 6.2.2-7.el9_5 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions | — | 5.3.5-10.el9_0 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9.2 Extended Update Support | — | 6.0.1-8.el9_2 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 10 | — | — | Not affected | CNA |
| Red Hat | Red Hat Enterprise Linux 6 | — | — | No fix listed | CNA |
| Red Hat | Red Hat Enterprise Linux 7 | — | — | No fix listed | CNA |
- pcp Vendor— Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 8 VendorRed Hat Affected — Fixed in 5.3.7-22.el8_10 Patch available CNA
- Red Hat Enterprise Linux 8.2 Advanced Update Support VendorRed Hat Affected — Fixed in 5.0.2-9.el8_2 Patch available CNA
- Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 5.2.5-8.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Telecommunications Update Service VendorRed Hat Affected — Fixed in 5.2.5-8.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 5.2.5-8.el8_4 Patch available CNA
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support VendorRed Hat Affected — Fixed in 5.3.5-10.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service VendorRed Hat Affected — Fixed in 5.3.5-10.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 5.3.5-10.el8_6 Patch available CNA
- Red Hat Enterprise Linux 8.8 Extended Update Support VendorRed Hat Affected — Fixed in 5.3.7-19.el8_8 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 6.2.0-5.el9_4 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in 6.2.2-7.el9_5 Patch available CNA
- Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions VendorRed Hat Affected — Fixed in 5.3.5-10.el9_0 Patch available CNA
- Red Hat Enterprise Linux 9.2 Extended Update Support VendorRed Hat Affected — Fixed in 6.0.1-8.el9_2 Patch available CNA
- Red Hat Enterprise Linux 10 VendorRed Hat Affected — Fixed in — Not affected CNA
- Red Hat Enterprise Linux 6 VendorRed Hat Affected — Fixed in — No fix listed CNA
- Red Hat Enterprise Linux 7 VendorRed Hat Affected — Fixed in — No fix listed CNA
CPE names CNA · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:/a:redhat:enterprise_linux:8::appstream | 8 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.2::appstream | 8.2 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_tus:8.4::appstream | 8.4 | — | Red Hat |
| cpe:/a:redhat:rhel_aus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_e4s:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_tus:8.6::appstream | 8.6 | — | Red Hat |
| cpe:/a:redhat:rhel_eus:8.8::appstream | 8.8 | — | Red Hat |
| cpe:/a:redhat:enterprise_linux:9::appstream | 9 | — | Red Hat |
- cpe:/a:redhat:enterprise_linux:8::appstream Versions 8 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.2::appstream Versions 8.2 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_tus:8.4::appstream Versions 8.4 — ·Red Hat
- cpe:/a:redhat:rhel_aus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_e4s:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_tus:8.6::appstream Versions 8.6 — ·Red Hat
- cpe:/a:redhat:rhel_eus:8.8::appstream Versions 8.8 — ·Red Hat
- cpe:/a:redhat:enterprise_linux:9::appstream Versions 9 — ·Red Hat
Remediation
Red Hat 9 advisories
- RHSA-2024:9452 Released 2024-11-12 · Red Hat rating Moderatepcp security update
- Red Hat Enterprise Linux AppStream (v. 9) pcp-6.2.2-7.el9_5, pcp-conf-6.2.2-7.el9_5, pcp-devel-6.2.2-7.el9_5 +47
- RHSA-2024:6848 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream (v. 9) pcp-6.2.0-5.el9_4, pcp-conf-6.2.0-5.el9_4, pcp-devel-6.2.0-5.el9_4 +47
- RHSA-2024:6844 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream EUS (v.8.8) pcp-5.3.7-19.el8_8, pcp-conf-5.3.7-19.el8_8, pcp-devel-5.3.7-19.el8_8 +47
Show 6 more Red Hat advisories
- RHSA-2024:6847 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream EUS (v.9.2) pcp-6.0.1-8.el9_2, pcp-conf-6.0.1-8.el9_2, pcp-devel-6.0.1-8.el9_2 +47
- RHSA-2024:6842 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream AUS (v.8.4) pcp-5.2.5-8.el8_4, pcp-conf-5.2.5-8.el8_4, pcp-devel-5.2.5-8.el8_4 +47
- Red Hat Enterprise Linux AppStream E4S (v.8.4) pcp-5.2.5-8.el8_4, pcp-conf-5.2.5-8.el8_4, pcp-devel-5.2.5-8.el8_4 +47
- Red Hat Enterprise Linux AppStream TUS (v.8.4) pcp-5.2.5-8.el8_4, pcp-conf-5.2.5-8.el8_4, pcp-devel-5.2.5-8.el8_4 +47
- RHSA-2024:6837 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream (v. 8) pcp-5.3.7-22.el8_10, pcp-conf-5.3.7-22.el8_10, pcp-devel-5.3.7-22.el8_10 +47
- RHSA-2024:6843 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream AUS (v.8.6) pcp-5.3.5-10.el8_6, pcp-conf-5.3.5-10.el8_6, pcp-devel-5.3.5-10.el8_6 +47
- Red Hat Enterprise Linux AppStream E4S (v.8.6) pcp-5.3.5-10.el8_6, pcp-conf-5.3.5-10.el8_6, pcp-devel-5.3.5-10.el8_6 +47
- Red Hat Enterprise Linux AppStream TUS (v.8.6) pcp-5.3.5-10.el8_6, pcp-conf-5.3.5-10.el8_6, pcp-devel-5.3.5-10.el8_6 +47
- RHSA-2024:6840 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream AUS (v. 8.2) pcp-5.0.2-9.el8_2, pcp-conf-5.0.2-9.el8_2, pcp-devel-5.0.2-9.el8_2 +47
- RHSA-2024:6846 Released 2024-09-19 · Red Hat rating Importantpcp security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) pcp-5.3.5-10.el9_0, pcp-conf-5.3.5-10.el9_0, pcp-devel-5.3.5-10.el9_0 +47
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6837
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6840
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
Show 7 more groups
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6842
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6843
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6844
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6846
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6847
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:6848
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
- Advisory ·
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and 13 more products — RHSA-2024:9452
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2024-30736 Pcp: pmcd heap corruption through metric pmstore operationsPriority LOW 24
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:6837 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:6848, RHSA-2024:9452 |
| Red Hat Enterprise Linux AppStream AUS (v. 8.2) | Fixed | RHSA-2024:6840 |
| Red Hat Enterprise Linux AppStream AUS (v.8.4) | Fixed | RHSA-2024:6842 |
| Red Hat Enterprise Linux AppStream AUS (v.8.6) | Fixed | RHSA-2024:6843 |
| Red Hat Enterprise Linux AppStream E4S (v.8.4) | Fixed | RHSA-2024:6842 |
| Red Hat Enterprise Linux AppStream E4S (v.8.6) | Fixed | RHSA-2024:6843 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2024:6846 |
| Red Hat Enterprise Linux AppStream EUS (v.8.8) | Fixed | RHSA-2024:6844 |
| Red Hat Enterprise Linux AppStream EUS (v.9.2) | Fixed | RHSA-2024:6847 |
| Red Hat Enterprise Linux AppStream TUS (v.8.4) | Fixed | RHSA-2024:6842 |
| Red Hat Enterprise Linux AppStream TUS (v.8.6) | Fixed | RHSA-2024:6843 |
Not affected: 1 product
- Red Hat Enterprise Linux 10
Timeline
- 2026-10-02 Threatist record created from CVE-2024-45770
- 2026-10-03 Alias added: GHSA-cjc3-7r36-pp49
References
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Sources
- CVE-2024-45770 · CVE Program
- CVE-2024-45770 · NVD
- FIRST EPSS
- GHSA-cjc3-7r36-pp49 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-45770 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences