CVE - CVE-2019-11190

CVE-ID
CVE-2019-11190	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
BID:107890 URL:http://www.securityfocus.com/bid/107890 MISC:https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=a5b5352558f6808db0589644ea5401b3e3148a0d MISC:https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/commit/?id=e1676b55d874a43646e8b2c46d87f2f3e45516ff MISC:https://www.openwall.com/lists/oss-security/2019/04/03/4 MISC:https://www.openwall.com/lists/oss-security/2019/04/03/4/1 MLIST:[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-1] linux security update URL:https://lists.debian.org/debian-lts-announce/2019/05/msg00041.html MLIST:[debian-lts-announce] 20190528 [SECURITY] [DLA 1799-2] linux security update URL:https://lists.debian.org/debian-lts-announce/2019/05/msg00042.html MLIST:[oss-security] 20190415 Re: Linux kernel < 4.8 local generic ASLR - CVE-ID URL:http://www.openwall.com/lists/oss-security/2019/04/15/1 SUSE:openSUSE-SU-2019:1570 URL:http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html UBUNTU:USN-4008-1 URL:https://usn.ubuntu.com/4008-1/ UBUNTU:USN-4008-2 URL:https://usn.ubuntu.com/4008-2/ UBUNTU:USN-4008-3 URL:https://usn.ubuntu.com/4008-3/
Assigning CNA
MITRE Corporation
Date Record Created
20190411	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20190411)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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