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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…
Low1.9EPSS 0.35%
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low1.9 | AV:L/AC:M/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.35% · top 71% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 1.9.
Weakness
Affected products
n/a
- affected n/a
References (9)
- RHSA-2011:0927 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8d03e971cf403305217b8e62db3a2e5ad2d6263f (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=703019 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc4 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20110624 Re: CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1025778 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [oss-security] 20110624 CVE request: kernel: bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [linux-bluetooth] 20110508 Bluetooth: l2cap and rfcomm: fix 1 byte infoleak to userspace. (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- HPSBGN02970 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2011-2492)Record last updated .