Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 3.0 |
| Redhat | Enterprise Linux Aus | 5.6 |
| Redhat | Enterprise Linux Desktop | 5.0 |
| Redhat | Enterprise Linux Eus | 5.6 |
| Redhat | Enterprise Linux Server | 5.0 |
| Redhat | Enterprise Linux Workstation | 5.0 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Third Party Advisory
- http://permalink.gmane.org/gmane.linux.bluez.kernel/12909Broken Link
- http://rhn.redhat.com/errata/RHSA-2011-0927.htmlThird Party Advisory
- http://securitytracker.com/id?1025778Third Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4Broken Link
- http://www.openwall.com/lists/oss-security/2011/06/24/2Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2011/06/24/3Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=703019Issue TrackingPatchThird Party Advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://marc.info/?l=bugtraq&m=139447903326211&w=2Third Party Advisory
- http://permalink.gmane.org/gmane.linux.bluez.kernel/12909Broken Link
- http://rhn.redhat.com/errata/RHSA-2011-0927.htmlThird Party Advisory
- http://securitytracker.com/id?1025778Third Party AdvisoryVDB Entry
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4Broken Link
FAQ
What is CVE-2011-2492?
CVE-2011-2492 is a vulnerability with a CVSS score of 1.9 (LOW). 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...
How severe is CVE-2011-2492?
CVE-2011-2492 has been rated LOW with a CVSS base score of 1.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-2492?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux Aus, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus, Redhat Enterprise Linux Server.