CVE-2011-1593

Description

Multiple integer overflows in the next_pidmap function in kernel/pid.c in the Linux kernel before 2.6.38.4 allow local users to cause a denial of service (system crash) via a crafted (1) getdents or (2) readdir system call.

Affected products

• Canonical / Ubuntu Linux8.04 – 8.04
• Linux / Linux kernel2.6.38.4
• RedHat / enterprise_linux5.0 – 5.0
• RedHat / enterprise_linux_aus5.6 – 5.6
• RedHat / enterprise_linux_desktop5.0 – 5.0
• RedHat / enterprise_linux_eus5.6 – 5.6
• RedHat / enterprise_linux_server5.0 – 5.0
• RedHat / enterprise_linux_workstation5.0 – 5.0

References

• VENDOR_ADVISORYhttp://www.ubuntu.com/usn/USN-1146-1
• MISChttp://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.38.4
• VENDOR_ADVISORYhttp://secunia.com/advisories/44164
• MISChttps://bugzilla.redhat.com/show_bug.cgi?id=697822
• MISChttp://rhn.redhat.com/errata/RHSA-2011-0927.html
• MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/66876
• MAILING_LISThttp://openwall.com/lists/oss-security/2011/04/19/1
• MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c78193e9c7bcbf25b8237ad0dec82f805c4ea69b
• MISChttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d8bdc59f215e62098bc5b4256fd9928bf27053a1
• MISChttp://groups.google.com/group/fa.linux.kernel/msg/4a28ecb7f755a88d?dmode=source
• MISChttp://www.securityfocus.com/bid/47497
• MISChttp://securitytracker.com/id?1025420
• MAILING_LISThttp://openwall.com/lists/oss-security/2011/04/20/1