Unrated severityNVD Advisory· Published Apr 11, 2019· Updated Aug 4, 2024
CVE-2019-11191
CVE-2019-11191
Description
The Linux kernel through 5.0.7, when CONFIG_IA32_AOUT is enabled and ia32_aout is loaded, allows local users to bypass ASLR on setuid a.out programs (if any exist) because install_exec_creds() is called too late in load_aout_binary() in fs/binfmt_aout.c, and thus the ptrace_may_access() check has a race condition when reading /proc/pid/stat. NOTE: the software maintainer disputes that this is a vulnerability because ASLR for a.out format executables has never been supported
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=5.0.7
Patches
Vulnerability mechanics
References
12- lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.htmlmitrevendor-advisoryx_refsource_SUSE
- usn.ubuntu.com/4006-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4006-2/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4007-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4007-2/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4008-1/mitrevendor-advisoryx_refsource_UBUNTU
- usn.ubuntu.com/4008-3/mitrevendor-advisoryx_refsource_UBUNTU
- www.openwall.com/lists/oss-security/2019/04/18/5mitremailing-listx_refsource_MLIST
- www.openwall.com/lists/oss-security/2019/05/22/7mitremailing-listx_refsource_MLIST
- www.securityfocus.com/bid/107887mitrevdb-entryx_refsource_BID
- www.openwall.com/lists/oss-security/2019/04/03/4mitrex_refsource_MISC
- www.openwall.com/lists/oss-security/2019/04/03/4/1mitrex_refsource_MISC
News mentions
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