CVE-2009-3001
CVE-2009-3001 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.
Key facts
- Severity: Medium (CVSS 2.0 base score 4.9)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-200
- Affected product: Linux Linux Kernel
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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 socket.
- How severe is CVE-2009-3001?
- CVE-2009-3001 has a CVSS 2.0 base score of 4.9, rated medium severity.
- Is CVE-2009-3001 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2009-3001?
- CVE-2009-3001 primarily affects Linux Linux Kernel. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2009-3001?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2009-3001 published?
- CVE-2009-3001 was published on 2009-08-28 and last updated on 2026-06-16.
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
Affected products (12)
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:2.6.31:rc6:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
More vulnerabilities in Linux Linux Kernel
- CVE-2023-2163 — Critical (CVSS 10.0): Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe,…
- CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
- CVE-2015-1421 — Critical (CVSS 10.0): Use-after-free vulnerability in the sctp_assoc_update function in net/sctp/associola.c in the Linux kernel before…
- CVE-2014-2523 — Critical (CVSS 10.0): net/netfilter/nf_conntrack_proto_dccp.c in the Linux kernel through 3.13.6 uses a DCCP header pointer incorrectly,…
- CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
- CVE-2010-2521 — Critical (CVSS 10.0): Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before…
All CVEs affecting Linux Linux Kernel →
Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities
- CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
- CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
- CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
- CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
- CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
- CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…
Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →