CVE-2011-2492
Summary
| CVE | CVE-2011-2492 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2011-07-28 22:55:01 UTC |
| Updated | 2026-04-29 01:13:23 UTC |
| Description | 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. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
PartialIntegrity
NoneAvailability
NoneAV:L/AC:M/Au:N/C:P/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | All | All | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | - | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 3.0 | rc3 | All | All |
| Operating System | Redhat | Enterprise Linux Aus | 5.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Eus | 5.6 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 5.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 5.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| '[security bulletin] HPSBGN02970 rev.1 - HP Rapid Deployment Pack (RDP) or HP Insight Control Server ' - MARC | af854a3a-2127-422b-91ae-364da2661108 | marc.info | Third Party Advisory |
| access.redhat.com | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | Third Party Advisory |
| oss-security - CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Patch, Third Party Advisory |
| oss-security - Re: CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | Mailing List, Patch, Third Party Advisory |
| 404: File not found | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Broken Link |
| Bug 703019 – CVE-2011-2492 kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | Issue Tracking, Patch, Third Party Advisory |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | |
| Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace. | af854a3a-2127-422b-91ae-364da2661108 | permalink.gmane.org | Broken Link |
| Linux Kernel Bluetooth 'l2cap_conninfo' and 'rfcomm_conninfo' Initialization Flaw Lets Local Users Obtain Kernel Memory Contents - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | securitytracker.com | Third Party Advisory, VDB Entry |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MITRE | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.