CVE-2009-3001 EXPLOIT
4.9
MEDIUM · CVSS 2.0 · EPSS 1% (pctl 62)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 4.9 (MEDIUM, v2.0) |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:C/I:N/A:N |
| EPSS | 1.02% — more likely to be exploited than 62% of all CVEs |
| Weakness | CWE-200 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-08-28 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| canonical | ubuntu linux |
| linux | linux kernel |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Linux Kernel 2.6.31-rc7 - 'AF_LLC getsockname' 5-Byte Stack Disclosure | 2009-08-25 |
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.c
- http://secunia.com/advisories/37105
- http://www.exploit-db.com/exploits/9513
- http://www.openwall.com/lists/oss-security/2009/08/26/1
- http://www.securityfocus.com/bid/36126
- http://www.ubuntu.com/usn/USN-852-1
- https://bugzilla.redhat.com/show_bug.cgi?id=519305
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52732
- 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.c
- http://secunia.com/advisories/37105
- http://www.exploit-db.com/exploits/9513
- http://www.openwall.com/lists/oss-security/2009/08/26/1
- http://www.securityfocus.com/bid/36126
- http://www.ubuntu.com/usn/USN-852-1
- https://bugzilla.redhat.com/show_bug.cgi?id=519305
- https://exchange.xforce.ibmcloud.com/vulnerabilities/52732
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