CVE-2019-5606

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 posixopenpt fails to undo a signal configuration. This causes ...

CVE-2019-5606: Use After Free

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 posixopenpt fails to undo a signal configuration. This causes ...

FreeBSD -- pts(4) write-after-free

Problem Description: The code which handles a close2 of a descriptor created by posixopenpt2 fails to undo the configuration which causes SIGIO to be raised. This bug can lead to a write-after-free of kernel memory. Impact: The bug permits malicious code to trigger a write-after-free, which may b...