Time-of-check Time-of-use (TOCTOU) Race Condition Affecting freebsd package, versions [,14.4.0-p9)[15.0.0,15.0.0-p13)[15.1.0,15.1.0-p3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-FREEBSD-19427767
- published29 Aug 2026
- disclosed26 Aug 2026
- creditUnknown
Introduced: 26 Aug 2026
NewCVE-2026-58094 (opens in a new tab)How to fix?
Upgrade freebsd to version 14.4.0-p9, 15.0.0-p13, 15.1.0-p3 or higher.
Overview
Affected versions of this package are vulnerable to Time-of-check Time-of-use (TOCTOU) Race Condition in the FIOSSHMLPGCNF ioctl operation, which configures the page size for largepage shared memory objects. An attacker can cause the object to be left in an inconsistent state by racing two concurrent calls to set conflicting page sizes, potentially escalating privileges.