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

  • v3.1HIGHScore: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0HIGHScore: 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-476NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linuxlinux_kernel

    < 3.0.24 | ≥ 3.1, < 3.2.10

  • redhatenterprise_linux

    4.0

  • redhatenterprise_mrg

    2.0

  • suselinux_enterprise_desktop

    11:sp1 | 11:sp2

  • suselinux_enterprise_high_availability_extension

    11:sp1 | 11:sp2

  • suselinux_enterprise_server

    11:sp1 | 11:sp2

References (12)