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.
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Affected Vendors & Products
References
History
No history.
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Status: PUBLISHED
Assigner: freebsd
Published:
Updated: 2024-08-04T20:01:51.956Z
Reserved: 2019-01-07T00:00:00
Link: CVE-2019-5606
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Status : Modified
Published: 2019-07-26T01:15:10.923
Modified: 2024-11-21T04:45:13.427
Link: CVE-2019-5606
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