CVE-2019-11190
CVSS v3
4.7
MEDIUM
EPSS Score
0.5 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
kernel: ASLR bypass for setuid binaries due to late install_exec_creds()
kernel-rt as a component of Red Hat Enterprise MRG 2 · kernel-rt-debug as a component of Red Hat Enterprise MRG 2 · kernel-rt-debug-devel as a component of Red Hat Enterprise MRG 2
Red Hat Security Advisory: kernel-rt security and bug fix update
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
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.
Technical details
- Published
- 2019-04-12
Frequently asked questions
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