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CVE-2015-2686

Good to know:

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Date: May 2, 2016

net/socket.c in the Linux kernel 3.19 before 3.19.3 does not validate certain range data for (1) sendto and (2) recvfrom system calls, which allows local users to gain privileges by leveraging a subsystem that uses the copy_from_iter function in the iov_iter interface, as demonstrated by the Bluetooth subsystem.

Language: C

Severity Score

Related Resources (12)

http://twitter.com/grsecurity/statuses/579050211605102592
http://twitter.com/grsecurity/statuses/579075689439059968
https://github.com/torvalds/linux/commit/4de930efc23b92ddf88ce91c405ee645fe6e27ea
http://twitter.com/grsecurity/statuses/579060953477701632
https://nvd.nist.gov/vuln/detail/CVE-2015-2686
http://grsecurity.net/~spender/viro.txt
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.3
https://bugzilla.redhat.com/show_bug.cgi?id=1205242
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4de930efc23b92ddf88ce91c405ee645fe6e27ea
http://www.openwall.com/lists/oss-security/2015/03/23/14
http://www.securityfocus.com/bid/73286
https://www.mend.io/vulnerability-database/CVE-2015-2686

Severity Score

Weakness Type (CWE)

Permissions, Privileges, and Access Control

CWE-264

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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