CVE-2009-3001
The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel 2.6.31-rc7 and earlier does not initialize a certain data structure, which allows local users to read the contents of some kernel memory locations by calling getsockname on an AF_LLC…
Does this matter?
A public exploit is published in Exploit-DB (verified), so the technical barrier is gone even though the severity is medium and EPSS is 1.0%. Treat it as high on anything reachable from the internet.
Description
The llc_ui_getname function in net/llc/af_llc.c in the Linux kernel 2.6.31-rc7 and earlier does not initialize a certain data structure, which allows local users to read the contents of some kernel memory locations by calling getsockname on an AF_LLC socket.
- CVSS 2.0
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:C/I:N/A:N
- EPSS
- 1.02% probability · 63th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 25 August 2009
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=28e9fc592cb8c7a43e4d3147b38be6032a0e81bc
- http://jon.oberheide.org/files/llc-getsockname-leak.cBroken Link
- http://secunia.com/advisories/37105Third Party Advisory
- http://www.exploit-db.com/exploits/9513Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2009/08/26/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/36126Exploit, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-852-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=519305Exploit, Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52732Third Party Advisory, VDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=28e9fc592cb8c7a43e4d3147b38be6032a0e81bc
- http://jon.oberheide.org/files/llc-getsockname-leak.cBroken Link
- http://secunia.com/advisories/37105Third Party Advisory
- http://www.exploit-db.com/exploits/9513Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2009/08/26/1Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/36126Exploit, Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-852-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=519305Exploit, Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52732Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.