Description
In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.
Published: 2019-07-26
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2019-15181 In FreeBSD 12.0-STABLE before r349805, 12.0-RELEASE before 12.0-RELEASE-p8, 11.3-STABLE before r349806, 11.3-RELEASE before 11.3-RELEASE-p1, and 11.2-RELEASE before 11.2-RELEASE-p12, code which handles close of a descriptor created by posix_openpt fails to undo a signal configuration. This causes an incorrect signal to be raised leading to a write after free of kernel memory allowing a malicious user to gain root privileges or escape a jail.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: freebsd

Published:

Updated: 2024-08-04T20:01:51.956Z

Reserved: 2019-01-07T00:00:00.000Z

Link: CVE-2019-5606

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-07-26T01:15:10.923

Modified: 2024-11-21T04:45:13.427

Link: CVE-2019-5606

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses