CVE-2019-11191
Low
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
SeverityLow
CVSS2.5
Exploit probability—
Product
Linux Kernel
PublishedApr 12, 2019
First seenApr 12, 2019
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 5.0.7 | — |
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