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Vulnerability record · CVE-2012-1097 · published 17 May 2012

CVE-2012-1097: Linux kernel null pointer dereference vulnerability

Linux · Linux Kernel

The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.

7.8 CVSS 3.1 High EPSS 0.35% · top 73.8% CWE-476 · NULL pointer dereference
7.8CVSS 3.1 base score, v2 7.2
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

The regset (aka register set) feature in the Linux kernel before 3.2.10 does not properly handle the absence of .get and .set methods, which allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a (1) PTRACE_GETREGSET or (2) PTRACE_SETREGSET ptrace call.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c8e252586f8d5de906385d8cf6385fee289a825e
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0481.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0531.html Third Party Advisory
http://secunia.com/advisories/48842 Broken Link
http://secunia.com/advisories/48898 Broken Link
http://secunia.com/advisories/48964 Broken Link
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10 Mailing ListPatchVendor Advisory
http://www.openwall.com/lists/oss-security/2012/03/05/1 Mailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=799209 Issue TrackingPatchThird Party Advisory
https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e PatchThird Party Advisory
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c8e252586f8d5de906385d8cf6385fee289a825e
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html Mailing ListThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0481.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2012-0531.html Third Party Advisory
http://secunia.com/advisories/48842 Broken Link
http://secunia.com/advisories/48898 Broken Link
http://secunia.com/advisories/48964 Broken Link
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10 Mailing ListPatchVendor Advisory
http://www.openwall.com/lists/oss-security/2012/03/05/1 Mailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=799209 Issue TrackingPatchThird Party Advisory
https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e PatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2012-1097), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.