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Fencer Intel
high 7.8

CVE-2012-1097 json

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, whic…

published 2012-05-17 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1133

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 28%
public exploits
0
none known

Summary

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.

Patch / fix

  • linux linux_kernel 3.0.24, 3.2.10
  • kernel RHEL 6 2.6.32-220.13.1.el6
  • perf RHEL 6 2.6.32-220.13.1.el6
  • python-perf RHEL 6 2.6.32-220.13.1.el6
  • kernel-kdump RHEL 6 2.6.32-220.13.1.el6
  • kernel-firmware RHEL 6 2.6.32-220.13.1.el6
  • kernel-bootwrapper RHEL 6 2.6.32-220.13.1.el6
  • kernel-debuginfo-common-i686 RHEL 6 2.6.32-220.13.1.el6
  • kernel-debuginfo-common-ppc64 RHEL 6 2.6.32-220.13.1.el6

red hat advisories RHSA-2012:0481RHSA-2012:1042

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2012-1097 updated cvss 4.9

kernel: regset: Prevent null pointer reference on readonly regsets

  • Red Hat Enterprise Linux 4 kernel
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise MRG 2 kernel-rt, mrg-rt-release, kernel-rt-trace, kernel-rt-vanilla, kernel-rt-firmware
    affected: no fix available
  • Red Hat Enterprise Linux Desktop (v. 6) perf 2.6.32-220.13.1.el6, kernel 2.6.32-220.13.1.el6, kernel-firmware 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux Desktop Optional (v. 6) kernel 2.6.32-220.13.1.el6, python-perf 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux HPC Node (v. 6) perf 2.6.32-220.13.1.el6, kernel 2.6.32-220.13.1.el6, kernel-firmware 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel 2.6.32-220.13.1.el6, python-perf 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux Server (v. 6) perf 2.6.32-220.13.1.el6, kernel 2.6.32-220.13.1.el6, kernel-kdump 2.6.32-220.13.1.el6, kernel-firmware 2.6.32-220.13.1.el6, kernel-bootwrapper 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, +3 more
    fixed: vendor fix RHSA-2012:0481
  • Red Hat Enterprise Linux Server EUS (v. 6.1) perf 2.6.32-131.29.1.el6, kernel 2.6.32-131.29.1.el6, kernel-kdump 2.6.32-131.29.1.el6, kernel-firmware 2.6.32-131.29.1.el6, kernel-bootwrapper 2.6.32-131.29.1.el6, kernel-debuginfo-common-i686 2.6.32-131.29.1.el6, +3 more
    fixed: vendor fix RHSA-2012:1042
  • Red Hat Enterprise Linux Server Optional (v. 6) kernel 2.6.32-220.13.1.el6, python-perf 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, kernel-debuginfo-common-ppc64 2.6.32-220.13.1.el6, kernel-debuginfo-common-s390x 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux Workstation (v. 6) perf 2.6.32-220.13.1.el6, kernel 2.6.32-220.13.1.el6, kernel-firmware 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6 Red Hat Enterprise Linux Workstation Optional (v. 6) kernel 2.6.32-220.13.1.el6, python-perf 2.6.32-220.13.1.el6, kernel-debuginfo-common-i686 2.6.32-220.13.1.el6, kernel-debuginfo-common-x86_64 2.6.32-220.13.1.el6
    fixed: vendor fix RHSA-2012:0481
  • Red Hat Enterprise Linux 5 kernel
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.