What’s Vulnerable › Vulnerabilities

CVE-2010-4078

• Severity: low (CVSS 1.9 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: 2010-11-29 · updated 2026-06-16
• Weakness: CWE-909

Description

The sisfb_ioctl function in drivers/video/sis/sis_main.c in the Linux kernel before 2.6.36-rc6 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via an FBIOGET_VBLANK ioctl call.

Affected products

• 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, 2.6.36-rc5 — fixed in 2.6.36
• Opensuse: 11.2, 11.3
• SUSE Linux Enterprise Server 15 SP1: 10-sp3
• SUSE Linux Enterprise Real Time Extension: 11-sp1
• SUSE Linux Enterprise Server: 10-sp3
• SUSE Linux Enterprise Software Development Kit: 10-sp3

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/torvalds/linux-2.6.git%3Ba=commit%3Bh=fd02db9de73faebc51240619c7c7f99bee9f65c7
• http://lists.opensuse.org/opensuse-security-announce/2010-12/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00001.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
• http://secunia.com/advisories/42778
• http://secunia.com/advisories/42801
• http://www.debian.org/security/2010/dsa-2126
• http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.36/ChangeLog-2.6.36-rc6
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
• http://www.openwall.com/lists/oss-security/2010/09/25/2
• http://www.openwall.com/lists/oss-security/2010/10/06/6

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