What’s Vulnerable › Vulnerabilities

CVE-2017-9150

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-05-22 · updated 2026-06-17
• Weakness: CWE-200

Description

The do_check function in kernel/bpf/verifier.c in the Linux kernel before 4.11.1 does not make the allow_ptr_leaks value available for restricting the output of the print_bpf_insn function, which allows local users to obtain sensitive address information via crafted bpf system calls.

Affected products

• Linux kernel: through 4.10.9

References

• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1
• http://www.securityfocus.com/bid/98635
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1251
• https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07
• https://source.android.com/security/bulletin/2017-09-01
• https://www.exploit-db.com/exploits/42048/
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1
• http://www.securityfocus.com/bid/98635
• https://bugs.chromium.org/p/project-zero/issues/detail?id=1251
• https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07

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