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2.1
CVSSv2

CVE-2006-5173

Published: 17/10/2006 Updated: 07/11/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

Linux kernel does not properly save or restore EFLAGS during a context switch, or reset the flags when creating new threads, which allows local users to cause a denial of service (process crash), as demonstrated using a process that sets the Alignment Check flag (EFLAGS 0x40000), which triggers a SIGBUS in other processes that have an unaligned access.

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Vendor Advisories

Ubuntu Security Notice: linux-source-2.6.12/-2.6.15/-2.6.17 vulnerabilities
Mark Dowd discovered that the netfilter iptables module did not correcly handle fragmented packets By sending specially crafted packets, a remote attacker could exploit this to bypass firewall rules This has only be fixed for Ubuntu 610; the corresponding fix for Ubuntu 510 and 606 will follow soon (CVE-2006-4572) ...

References

NVD-CWE-Otherhttp://www.ubuntu.com/usn/usn-395-1http://secunia.com/advisories/23361http://secunia.com/advisories/23384http://www.novell.com/linux/security/advisories/2006_79_kernel.htmlhttp://www.mandriva.com/security/advisories?name=MDKSA-2007:002http://secunia.com/advisories/23593http://www.securityfocus.com/archive/1/471457http://secunia.com/advisories/25691http://secunia.com/advisories/23474http://www.securityfocus.com/bid/21851http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=47a5c6fa0e204a2b63309c648bb2fde36836c826https://nvd.nist.govhttps://usn.ubuntu.com/395-1/
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