What’s Vulnerable › Vulnerabilities

CVE-2010-3296

• Severity: low (CVSS 2.1 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2010-09-30 · updated 2026-06-16
• Weakness: CWE-200

Description

The cxgb_extension_ioctl function in drivers/net/cxgb3/cxgb3_main.c in the Linux kernel before 2.6.36-rc5 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a CHELSIO_GET_QSET_NUM ioctl call.

Affected products

• Canonical Ubuntu Linux: 9.10, 10.04, 10.10
• Debian Linux: 5.0
• Linux kernel: before 2.6.36; 2.6.36, 2.6.36-rc1, 2.6.36-rc2, 2.6.36-rc3, 2.6.36-rc4 — fixed in 2.6.36
• Opensuse: 11.1
• SUSE Linux Enterprise Server 15 SP1: 11, 11-sp1
• SUSE Linux Enterprise Real Time Extension: 11-sp1
• SUSE Linux Enterprise Server: 11, 11-sp1

How to fix

Upgrade to a fixed version: Linux kernel 2.6.36. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/davem/net-2.6.git%3Ba=commit%3Bh=49c37c0334a9b85d30ab3d6b5d1acb05ef2ef6de
• http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
• http://lkml.org/lkml/2010/9/11/170
• http://secunia.com/advisories/41440
• http://secunia.com/advisories/42758
• http://secunia.com/advisories/42884
• http://secunia.com/advisories/46397
• http://www.debian.org/security/2010/dsa-2126
• http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.36-rc5
• http://www.openwall.com/lists/oss-security/2010/09/14/2

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