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CVE-2017-12153

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Date: September 21, 2017

A security flaw was discovered in the nl80211_set_rekey_data() function in net/wireless/nl80211.c in the Linux kernel through 4.13.3. This function does not check whether the required attributes are present in a Netlink request. This request can be issued by a user with the CAP_NET_ADMIN capability and may result in a NULL pointer dereference and system crash.

Language: C

Severity Score

Related Resources (14)

https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git/commit/?id=e785fa0a164aa11001cba931367c7f94ffaff888
https://access.redhat.com/security/cve/CVE-2017-12153
https://usn.ubuntu.com/3583-2/
https://usn.ubuntu.com/3583-1/
http://seclists.org/oss-sec/2017/q3/437
https://security-tracker.debian.org/tracker/CVE-2017-12153
http://www.securityfocus.com/bid/100855
http://www.debian.org/security/2017/dsa-3981
https://bugzilla.novell.com/show_bug.cgi?id=1058410
https://bugzilla.redhat.com/show_bug.cgi?id=1491046
https://marc.info/?t=150525503100001&r=1&w=2
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-12153
https://nvd.nist.gov/vuln/detail/CVE-2017-12153
https://www.mend.io/vulnerability-database/CVE-2017-12153

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

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

CVSS v2

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

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