Information disclosure in Linux Kernel
CVE-2011-2492
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v2 metric
CVSS v2 base score 1.9 (Low). Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.004 (26.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Linux Kernel — versions 3.0
- Red Hat Enterprise Linux Aus — versions 5.6
- Red Hat Enterprise Linux Desktop — versions 5.0
- Red Hat Enterprise Linux Eus — versions 5.6
- Red Hat Enterprise Linux Server — versions 5.0
- Red Hat Enterprise Linux Workstation — versions 5.0
Weakness classification (CWE)
References
- rhn.redhat.com/errata/RHSA-2011-0927.html (vendor-advisory, Third Party Advisory)
- git.kernel.org/
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4 (Broken Link)
- www.openwall.com/lists/oss-security/2011/06/24/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry)
- www.openwall.com/lists/oss-security/2011/06/24/2 (mailing-list, Patch, Mailing List, Third Party Advisory)
- permalink.gmane.org/gmane.linux.bluez.kernel/12909 (mailing-list, Broken Link)
- marc.info/ (vendor-advisory, Third Party Advisory)