CVE-2019-11190
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-11190
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-11190.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.8.5-1 |
| debian | bullseye | fixed | 4.8.5-1 |
| debian | forky | fixed | 4.8.5-1 |
| debian | sid | fixed | 4.8.5-1 |
| debian | trixie | fixed | 4.8.5-1 |
References
Verify integrity in audit chain (admin only). AS-IS.