CVE-2012-1097
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 17 May 2012, 10:00
Last modified:06 Aug 2024, 18:45
Vulnerability Summary
Overall Risk (default)
medium
31/100 CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.11% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
17 May 2012, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 18:45
Last Modified
Vulnerability information updated
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 Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.11%• Percentile: 29%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
< 3.0.24 | ≥ 3.1, < 3.2.10
- redhat•enterprise_linux
4.0
- redhat•enterprise_mrg
2.0
- suse•linux_enterprise_desktop
11:sp1 | 11:sp2
- suse•linux_enterprise_high_availability_extension
11:sp1 | 11:sp2
- suse•linux_enterprise_server
11:sp1 | 11:sp2
References (12)
- http://rhn.redhat.com/errata/RHSA-2012-0531.html
- http://lists.opensuse.org/opensuse-security-announce/2012-04/msg00021.html
- http://secunia.com/advisories/48898
- https://bugzilla.redhat.com/show_bug.cgi?id=799209
- http://rhn.redhat.com/errata/RHSA-2012-0481.html
- http://www.openwall.com/lists/oss-security/2012/03/05/1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.10
- http://secunia.com/advisories/48964
- https://github.com/torvalds/linux/commit/c8e252586f8d5de906385d8cf6385fee289a825e
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://secunia.com/advisories/48842
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c8e252586f8d5de906385d8cf6385fee289a825e