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CVE-2017-9150

Date: May 22, 2017

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.

Language: C

Severity Score

Related Resources (10)

http://www.securityfocus.com/bid/98635
https://www.exploit-db.com/exploits/42048/
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0d0e57697f162da4aa218b5feafe614fb666db07
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-9150
https://github.com/torvalds/linux/commit/0d0e57697f162da4aa218b5feafe614fb666db07
https://nvd.nist.gov/vuln/detail/CVE-2017-9150
https://source.android.com/security/bulletin/2017-09-01
https://bugs.chromium.org/p/project-zero/issues/detail?id=1251
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.11.1
https://www.mend.io/vulnerability-database/CVE-2017-9150

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

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): NONE
Availability (A): NONE

CVSS v2

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

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