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TI-2011-03644 Aliases CVE-2011-4127GHSA-hffv-wrg3-v4pp

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows…

Priority LOW 22CWE-264Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
Partial Red Hat: 13 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-264.

Summary

The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on disk read and write operations by sending a SCSI command to (1) a partition block device or (2) an LVM volume.

Why it matters now

EPSS 0.00566 47th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 5 advisoriesRed Hat: 13 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 59

CPEVersionsRoleVendor
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*up to 3.2.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:*3.0 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:*3.0 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:*3.0 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:*3.0 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:*3.0 rc5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:*3.0 rc6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:*3.0 rc7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:*3.0.1VulnerableLinux
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions up to 3.2.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc1:*:*:*:*:*:* Versions 3.0 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc2:*:*:*:*:*:* Versions 3.0 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc3:*:*:*:*:*:* Versions 3.0 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc4:*:*:*:*:*:* Versions 3.0 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc5:*:*:*:*:*:* Versions 3.0 rc5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc6:*:*:*:*:*:* Versions 3.0 rc6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:rc7:*:*:*:*:*:* Versions 3.0 rc7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.1:*:*:*:*:*:*:* Versions 3.0.1 Vulnerable ·Linux
Show 49 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:*3.0.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:*3.0.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:*3.0.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:*3.0.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:*3.0.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:*3.0.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:*3.0.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:*3.0.9VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:*3.0.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:*3.0.11VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:*3.0.12VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:*3.0.13VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:*3.0.14VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:*3.0.15VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:*3.0.16VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:*3.0.17VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:*3.0.18VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:*3.0.19VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:*3.0.20VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:*3.0.21VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:*3.0.22VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:*3.0.23VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:*3.0.24VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:*3.0.25VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:*3.0.26VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:*3.0.27VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:*3.0.28VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:*3.0.29VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:*3.0.30VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:*3.0.31VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:*3.0.32VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:*3.0.33VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:*3.0.34VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:*3.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:*3.1 rc1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:*3.1 rc2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:*3.1 rc3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:*3.1 rc4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:*3.1.1VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:*3.1.2VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:*3.1.3VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:*3.1.4VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:*3.1.5VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:*3.1.6VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:*3.1.7VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:*3.1.8VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:*3.1.9VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:*3.1.10VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:*3.2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:3.0.2:*:*:*:*:*:*:* Versions 3.0.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.3:*:*:*:*:*:*:* Versions 3.0.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.4:*:*:*:*:*:*:* Versions 3.0.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.5:*:*:*:*:*:*:* Versions 3.0.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.6:*:*:*:*:*:*:* Versions 3.0.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.7:*:*:*:*:*:*:* Versions 3.0.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.8:*:*:*:*:*:*:* Versions 3.0.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.9:*:*:*:*:*:*:* Versions 3.0.9 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.10:*:*:*:*:*:*:* Versions 3.0.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.11:*:*:*:*:*:*:* Versions 3.0.11 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.12:*:*:*:*:*:*:* Versions 3.0.12 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.13:*:*:*:*:*:*:* Versions 3.0.13 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.14:*:*:*:*:*:*:* Versions 3.0.14 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.15:*:*:*:*:*:*:* Versions 3.0.15 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.16:*:*:*:*:*:*:* Versions 3.0.16 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.17:*:*:*:*:*:*:* Versions 3.0.17 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.18:*:*:*:*:*:*:* Versions 3.0.18 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.19:*:*:*:*:*:*:* Versions 3.0.19 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.20:*:*:*:*:*:*:* Versions 3.0.20 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.21:*:*:*:*:*:*:* Versions 3.0.21 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.22:*:*:*:*:*:*:* Versions 3.0.22 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.23:*:*:*:*:*:*:* Versions 3.0.23 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.24:*:*:*:*:*:*:* Versions 3.0.24 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.25:*:*:*:*:*:*:* Versions 3.0.25 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.26:*:*:*:*:*:*:* Versions 3.0.26 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.27:*:*:*:*:*:*:* Versions 3.0.27 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.28:*:*:*:*:*:*:* Versions 3.0.28 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.29:*:*:*:*:*:*:* Versions 3.0.29 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.30:*:*:*:*:*:*:* Versions 3.0.30 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.31:*:*:*:*:*:*:* Versions 3.0.31 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.32:*:*:*:*:*:*:* Versions 3.0.32 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.33:*:*:*:*:*:*:* Versions 3.0.33 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0.34:*:*:*:*:*:*:* Versions 3.0.34 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1:rc1:*:*:*:*:*:* Versions 3.1 rc1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1:rc2:*:*:*:*:*:* Versions 3.1 rc2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1:rc3:*:*:*:*:*:* Versions 3.1 rc3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1:rc4:*:*:*:*:*:* Versions 3.1 rc4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.1:*:*:*:*:*:*:* Versions 3.1.1 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.2:*:*:*:*:*:*:* Versions 3.1.2 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.3:*:*:*:*:*:*:* Versions 3.1.3 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.4:*:*:*:*:*:*:* Versions 3.1.4 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.5:*:*:*:*:*:*:* Versions 3.1.5 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.6:*:*:*:*:*:*:* Versions 3.1.6 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.7:*:*:*:*:*:*:* Versions 3.1.7 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.8:*:*:*:*:*:*:* Versions 3.1.8 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.9:*:*:*:*:*:*:* Versions 3.1.9 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.1.10:*:*:*:*:*:*:* Versions 3.1.10 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.2:*:*:*:*:*:*:* Versions 3.2 Vulnerable ·Linux

Remediation

Red Hat 5 advisories

  • RHSA-2012:0358 Released 2012-03-06 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux EUS (v. 5.6 server) kernel-2.6.18-238.35.1.el5, kernel-2.6.18-238.35.1.el5.ia64, kernel-PAE-2.6.18-238.35.1.el5 +18
  • RHSA-2012:0333 Released 2012-02-23 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-3.0.18-rt34.53.el6rt, kernel-rt-debug-3.0.18-rt34.53.el6rt, kernel-rt-debug-devel-3.0.18-rt34.53.el6rt +7
  • RHSA-2012:0107 Released 2012-02-09 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5 server) kernel-2.6.18-274.18.1.el5, kernel-2.6.18-274.18.1.el5.ia64, kernel-PAE-2.6.18-274.18.1.el5 +18
    • Red Hat Enterprise Linux Desktop (v. 5 client) kernel-2.6.18-274.18.1.el5, kernel-PAE-2.6.18-274.18.1.el5, kernel-PAE-devel-2.6.18-274.18.1.el5 +8
Show 2 more Red Hat advisories
  • RHSA-2011:1849 Released 2011-12-22 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Desktop (v. 6) kernel-2.6.32-220.2.1.el6, kernel-debug-2.6.32-220.2.1.el6, kernel-debug-devel-2.6.32-220.2.1.el6 +5
    • Red Hat Enterprise Linux Desktop Optional (v. 6) kernel-2.6.32-220.2.1.el6, python-perf-2.6.32-220.2.1.el6
    • Red Hat Enterprise Linux HPC Node (v. 6) kernel-2.6.32-220.2.1.el6, kernel-debug-2.6.32-220.2.1.el6, kernel-debug-devel-2.6.32-220.2.1.el6 +5
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) kernel-2.6.32-220.2.1.el6, python-perf-2.6.32-220.2.1.el6
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-220.2.1.el6, kernel-bootwrapper-2.6.32-220.2.1.el6, kernel-debug-2.6.32-220.2.1.el6 +8
    • Red Hat Enterprise Linux Server Optional (v. 6) kernel-2.6.32-220.2.1.el6, python-perf-2.6.32-220.2.1.el6
    • Red Hat Enterprise Linux Workstation (v. 6) kernel-2.6.32-220.2.1.el6, kernel-debug-2.6.32-220.2.1.el6, kernel-debug-devel-2.6.32-220.2.1.el6 +5
    • Red Hat Enterprise Linux Workstation Optional (v. 6) kernel-2.6.32-220.2.1.el6, python-perf-2.6.32-220.2.1.el6
  • RHSA-2011:1850 Released 2011-12-22 · Red Hat rating Important
    rhev-hypervisor6 security and bug fix update
    • RHEV Hypervisor for RHEL-6 rhev-hypervisor6-6.2-20111215.0.el6_2, rhev-hypervisor6-tools-6.2-20111215.0.el6_2

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 4AffectedNo fix yet
RHEV Hypervisor for RHEL-6Fixed RHSA-2011:1850
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0107
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0107
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux EUS (v. 5.6 server)Fixed RHSA-2012:0358
Red Hat Enterprise Linux HPC Node (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2011:1849
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2011:1849
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2012:0333

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-4127
  2. 2026-10-03 Alias added: GHSA-hffv-wrg3-v4pp

References

Exploit 2

Advisory 2

Other 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences