What’s Vulnerable › Vulnerabilities

CVE-2010-4072

• 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-200

Description

The copy_shmid_to_user function in ipc/shm.c in the Linux kernel before 2.6.37-rc1 does not initialize a certain structure, which allows local users to obtain potentially sensitive information from kernel stack memory via vectors related to the shmctl system call and the "old shm interface."

Affected products

• Canonical Ubuntu Linux: 6.06, 9.10, 10.04, 10.10
• Debian Linux: 5.0
• Linux kernel: before 2.6.37; 2.6.37 — fixed in 2.6.37
• Opensuse: 11.3
• SUSE Linux Enterprise Server 15 SP1: 10-sp3, 11-sp1
• SUSE Linux Enterprise Real Time Extension: 11-sp1
• SUSE Linux Enterprise Server: 9, 10-sp3, 11-sp1
• SUSE Linux Enterprise Software Development Kit: 10-sp3

How to fix

Upgrade to a fixed version: Linux kernel 2.6.37. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44
• 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/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html
• http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html
• http://lkml.org/lkml/2010/10/6/454
• http://secunia.com/advisories/42758
• http://secunia.com/advisories/42778
• http://secunia.com/advisories/42884
• http://secunia.com/advisories/42890
• http://secunia.com/advisories/42932

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