CVE-2011-4110

Summary

The user_update function in security/keys/user_defined.c in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and kernel oops) via vectors related to a user-defined key and "updating a negative key into a fully instantiated key."

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://lkml.org/lkml/2011/11/15/363
• http://www.securityfocus.com/bid/50755
• http://www.ubuntu.com/usn/USN-1328-1
• http://www.ubuntu.com/usn/USN-1344-1
• http://www.openwall.com/lists/oss-security/2011/11/22/5
• http://www.openwall.com/lists/oss-security/2011/11/21/19
• http://www.ubuntu.com/usn/USN-1324-1
• https://bugzilla.redhat.com/show_bug.cgi?id=751297
• http://secunia.com/advisories/47754
• http://www.openwall.com/lists/oss-security/2011/11/22/6
• http://marc.info/?l=bugtraq&m=139447903326211&w=2

References

• https://lkml.org/lkml/2011/11/15/363
• http://www.securityfocus.com/bid/50755
• http://www.ubuntu.com/usn/USN-1328-1
• http://www.ubuntu.com/usn/USN-1344-1
• http://www.openwall.com/lists/oss-security/2011/11/22/5
• http://www.openwall.com/lists/oss-security/2011/11/21/19
• http://www.ubuntu.com/usn/USN-1324-1
• https://bugzilla.redhat.com/show_bug.cgi?id=751297
• http://secunia.com/advisories/47754
• http://www.openwall.com/lists/oss-security/2011/11/22/6
• http://marc.info/?l=bugtraq&m=139447903326211&w=2

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