Vulnerability Details : CVE-2012-1097
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2012-1097
- cpe:2.3:o:redhat:enterprise_linux:4.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_mrg:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:*:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:-:*:*:*
- cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:-:*:*:*
- cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp1:*:*:*:*:*:*
- cpe:2.3:o:suse:linux_enterprise_high_availability_extension:11:sp2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-1097
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-1097
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2012-1097
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-1097
-
https://bugzilla.redhat.com/show_bug.cgi?id=799209
799209 – (CVE-2012-1097) CVE-2012-1097 kernel: regset: Prevent null pointer reference on readonly regsetsIssue Tracking;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
[security-announce] SUSE-SU-2012:0554-1: important: Security update forMailing List;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2012-0531.html
RHSA-2012:0531 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c8e252586f8d5de906385d8cf6385fee289a825e
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10
Mailing List;Patch;Vendor Advisory
-
http://www.openwall.com/lists/oss-security/2012/03/05/1
oss-security - CVE-2012-1097 kernel: regset: Prevent null pointer reference on readonly regsetsMailing List;Patch;Third Party Advisory
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https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e
regset: Prevent null pointer reference on readonly regsets · torvalds/linux@c8e2525 · GitHubPatch;Third Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
[security-announce] SUSE-SU-2012:0616-1: important: Security update forMailing List;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2012-0481.html
RHSA-2012:0481 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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