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CVE-2017-7277

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Date: March 28, 2017

The TCP stack in the Linux kernel through 4.10.6 mishandles the SCM_TIMESTAMPING_OPT_STATS feature, which allows local users to obtain sensitive information from the kernel's internal socket data structures or cause a denial of service (out-of-bounds read) via crafted system calls, related to net/core/skbuff.c and net/socket.c.

Language: C

Severity Score

Related Resources (11)

https://lkml.org/lkml/2017/3/15/485
https://github.com/torvalds/linux/commit/8605330aac5a5785630aec8f64378a54891937cc
https://nvd.nist.gov/vuln/detail/CVE-2017-7277
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ef1b2869447411ad3ef91ad7d4891a83c1a509a
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8605330aac5a5785630aec8f64378a54891937cc
http://www.securityfocus.com/bid/97141
https://patchwork.ozlabs.org/patch/740636/
https://github.com/torvalds/linux/commit/4ef1b2869447411ad3ef91ad7d4891a83c1a509a
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7277
https://patchwork.ozlabs.org/patch/740639/
https://www.mend.io/vulnerability-database/CVE-2017-7277

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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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): HIGH

CVSS v2

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

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