CVE-2017-12153
MediumA 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.
CVSS 3.0 score
4.4
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Weakness type
CWE-476CVE-2017-12153 is a NULL Pointer Dereference vulnerability
What is NULL Pointer Dereference?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE
References
The following references provide additional information about CVE-2017-12153 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Debian Securityhttp://www.debian.org/security/2017/dsa-3981Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/100855Third Party Advisory VDB Entry
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Ubuntu Securityhttps://usn.ubuntu.com/3583-1/Third Party Advisory
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Ubuntu Securityhttps://usn.ubuntu.com/3583-2/Third Party Advisory
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PatchKernel patch commithttp://seclists.org/oss-sec/2017/q3/437
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PatchKernel patch commithttps://bugzilla.novell.com/show_bug.cgi?id=1058410
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PatchKernel patch commithttps://bugzilla.redhat.com/show_bug.cgi?id=1491046
Frequently asked questions
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What is CVE-2017-12153?
CVE-2017-12153 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.4 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2017-12153 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2017-12153?
CVE-2017-12153 has a CVSS score of 4.4 out of 10, rated Medium severity (CVSS 3.0). The vector string is
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2017-12153?
No patch is currently available for CVE-2017-12153. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2017-12153 actively exploited?
No — CVE-2017-12153 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is NULL Pointer Dereference (CWE-476)?
The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →