Unrated severityNVD Advisory· Published Jul 26, 2019· Updated Aug 4, 2024

CVE-2019-5606

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

FreeBSD/FreeBSDllm-fuzzy2 versions
12.0-RELEASE < 12.0-RELEASE-p8, 11.3-RELEASE < 11.3-RELEASE-p1, 11.2-RELEASE < 11.2-RELEASE-p12+ 1 more
- (no CPE)range: 12.0-RELEASE < 12.0-RELEASE-p8, 11.3-RELEASE < 11.3-RELEASE-p1, 11.2-RELEASE < 11.2-RELEASE-p12
- (no CPE)range: FreeBSD before 12.0-RELEASE-p8

Patches

Vulnerability mechanics

References

security.freebsd.org/advisories/FreeBSD-SA-19:13.pts.ascmitrevendor-advisoryx_refsource_FREEBSD
packetstormsecurity.com/files/153748/FreeBSD-Security-Advisory-FreeBSD-SA-19-13.pts.htmlmitrex_refsource_MISC
security.netapp.com/advisory/ntap-20190814-0003/mitrex_refsource_CONFIRM

News mentions

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