What’s Vulnerable › Vulnerabilities
CVE-2017-17864
- Severity: low (CVSS 3.3 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2017-12-27 · updated 2026-06-17
- Weakness: CWE-200
Description
kernel/bpf/verifier.c in the Linux kernel through 4.14.8 mishandles states_equal comparisons between the pointer data type and the UNKNOWN_VALUE data type, which allows local users to obtain potentially sensitive address information, aka a "pointer leak."
Affected products
- Debian Linux: 9.0
- Linux kernel: through 4.14.8
References
- http://www.securityfocus.com/bid/102320
- http://www.securitytracker.com/id/1040059
- https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security
- https://usn.ubuntu.com/usn/usn-3523-2/
- https://www.debian.org/security/2017/dsa-4073
- http://www.securityfocus.com/bid/102320
- http://www.securitytracker.com/id/1040059
- https://anonscm.debian.org/cgit/kernel/linux.git/commit/?h=stretch-security&id=ad775f6ff7eebb93eedc2f592bc974260e7757b0
- https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-verifier-fix-states_equal-comparison-of-pointer-and-unknown.patch?h=stretch-security
- https://usn.ubuntu.com/usn/usn-3523-2/
- https://www.debian.org/security/2017/dsa-4073
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