The Linux kernel before 4.8 allows local users to bypass ASLR on setuid programs (such as /bin/su) because install_exec_creds() is called too late in load_elf_binary() in fs/binfmt_elf.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-04-11T23:06:40

Updated: 2024-08-04T22:48:08.991Z

Reserved: 2019-04-11T00:00:00

Link: CVE-2019-11190

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-04-12T00:29:00.217

Modified: 2019-06-07T07:29:00.643

Link: CVE-2019-11190

cve-icon Redhat

Severity : Low

Publid Date: 2019-04-03T00:00:00Z

Links: CVE-2019-11190 - Bugzilla