What is CVE-2012-5517?

CVE-2012-5517 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10. CVE-2012-5517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2012-5517?

CVE-2012-5517 has a CVSS score of 4.0 out of 10, rated Medium severity. The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2012-5517?

No patch is currently available for CVE-2012-5517. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2012-5517 actively exploited?

CVE-2012-5517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2012-5517

Medium

The online_pages function in mm/memory_hotplug.c in the Linux kernel before 3.6 allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact in opportunistic circumstances by using memory that was hot-added by an administrator.

Package Linux Kernel

Published 2012-12-21

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

4.0

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

User Interaction

Scope

Confidentiality

High

Integrity

None

Availability

Vector string

AV:L/AC:H/Au:N/C:N/I:N/A:C

References

The following references provide additional information about CVE-2012-5517 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2013-06/msg00005.html
Red Hat
http://rhn.redhat.com/errata/RHSA-2012-1580.html
Kernel.org
http://www.kernel.org/pub/linux/kernel/v3.x/
Openwall
http://www.openwall.com/lists/oss-security/2012/11/13/11
Securityfocus
http://www.securityfocus.com/bid/56527
Ubuntu Security
http://www.ubuntu.com/usn/USN-1671-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1673-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1677-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1678-1
Ubuntu Security
http://www.ubuntu.com/usn/USN-1679-1
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=875374
SUSE
https://www.suse.com/support/update/announcement/2012/suse-su-20121679-1.html
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=08dff7b7d629807dbb1f398c68dd9cd58dd657a1
Patch
Kernel patch commit
http://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
Patch
Kernel patch commit
https://github.com/torvalds/linux/commit/08dff7b7d629807dbb1f398c68dd9cd58dd657a1
Patch

Details

CVE ID CVE-2012-5517

Severity Medium

CVSS score 4.0 / 10

CVSS version 2.0

Published 2012-12-21

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2012-5517?

CVE-2012-5517 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.0 out of 10 . CVE-2012-5517 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2012-5517?

CVE-2012-5517 has a CVSS score of 4.0 out of 10, rated Medium severity (CVSS 2.0). The vector string is AV:L/AC:H/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2012-5517?

No patch is currently available for CVE-2012-5517. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2012-5517 actively exploited?

No — CVE-2012-5517 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.