An unprivileged local user who has attached PMCs to a process can continue monitoring it after the process executes a setuid or setgid binary, contrary to the intended policy.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FreeBSD | FreeBSD | unknown |
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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.
| Vendors | Products |
|---|---|
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Freebsd
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Freebsd
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Solution
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Workaround
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Wed, 26 Aug 2026 05:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Freebsd
Freebsd freebsd |
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| Vendors & Products |
Freebsd
Freebsd freebsd |
Wed, 26 Aug 2026 04:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | When a process calls execve(2) to execute a setuid or setgid image, hwpmc(4) is supposed to detach PMCs owned by unprivileged processes. An inverted check meant that this scenario was not handled properly. An unprivileged local user who has attached PMCs to a process can continue monitoring it after the process executes a setuid or setgid binary, contrary to the intended policy. | |
| Title | hwpmc fails to detach PMCs during exec credential transitions | |
| Weaknesses | CWE-273 | |
| References |
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Projects
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MITRE
Status: PUBLISHED
Assigner: freebsd
Published:
Updated: 2026-08-26T04:30:06.543Z
Reserved: 2026-06-29T01:40:17.498Z
Link: CVE-2026-58089
Vulnrichment
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NVD
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Redhat
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OpenCVE Enrichment
Updated: 2026-08-26T05:30:18Z