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CVE-2017-17863

Date: December 23, 2017

kernel/bpf/verifier.c in the Linux kernel 4.9.x through 4.9.71 does not check the relationship between pointer values and the BPF stack, which allows local users to cause a denial of service (integer overflow or invalid memory access) or possibly have unspecified other impact.

Language: C

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2017-17863
https://nvd.nist.gov/vuln/detail/CVE-2017-17863
http://www.securitytracker.com/id/1040058
https://www.spinics.net/lists/stable/msg206985.html
https://anonscm.debian.org/cgit/kernel/linux.git/tree/debian/patches/bugfix/all/bpf-reject-out-of-bounds-stack-pointer-calculation.patch?h=stretch-security
https://usn.ubuntu.com/3523-3/
http://www.securityfocus.com/bid/102321
https://usn.ubuntu.com/usn/usn-3523-2/
https://www.debian.org/security/2017/dsa-4073
https://www.mend.io/vulnerability-database/CVE-2017-17863

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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