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TI-2011-02184 Aliases CVE-2011-2492GHSA-hp8m-j8qg-prr2

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize…

Priority LOW 10CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
Partial Red Hat: 3 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

The bluetooth subsystem in the Linux kernel before 3.0-rc4 does not properly initialize certain data structures, which allows local users to obtain potentially sensitive information from kernel memory via a crafted getsockopt system call, related to (1) the l2cap_sock_getsockopt_old function in net/bluetooth/l2cap_sock.c and (2) the rfcomm_sock_getsockopt_old function in net/bluetooth/rfcomm/sock.c.

Why it matters now

EPSS 0.00354 29th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 3 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 · 10

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 3.0VulnerableLinux
cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:*3.0VulnerableLinux
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:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:*5.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5.6:*:*:*:*:*:*:*5.6VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 3.0 Vulnerable ·Linux
  • cpe:2.3:o:linux:linux_kernel:3.0:-:*:*:*:*:*:* Versions 3.0 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:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:* Versions 5.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:5.6:*:*:*:*:*:*:* Versions 5.6 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat

Remediation

Red Hat 3 advisories

  • RHSA-2011:1253 Released 2011-09-12 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-2.6.33.9-rt31.75.el6rt, kernel-rt-debug-2.6.33.9-rt31.75.el6rt, kernel-rt-debug-devel-2.6.33.9-rt31.75.el6rt +7
  • RHSA-2011:1189 Released 2011-08-23 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat Enterprise Linux Server (v. 6) kernel-2.6.32-131.12.1.el6, kernel-bootwrapper-2.6.32-131.12.1.el6, kernel-debug-2.6.32-131.12.1.el6 +8
  • RHSA-2011:0927 Released 2011-07-15 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux (v. 5.6.z server) kernel-2.6.18-238.19.1.el5, kernel-2.6.18-238.19.1.el5.ia64, kernel-PAE-2.6.18-238.19.1.el5 +14

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise MRG 1AffectedNo fix yet
Red Hat Enterprise Linux (v. 5.6.z server)Fixed RHSA-2011:0927
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1189
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2011:1253

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2492
  2. 2026-10-03 Alias added: GHSA-hp8m-j8qg-prr2

References

Patch 3

Advisory 2

Other 3

Sources

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