oss-security - Re: CVE request: kernel: skfp

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Date: Sun, 22 Feb 2009 17:19:09 -0500 (EST)
From: "Steven M. Christey" <coley@...us.mitre.org>
To: oss-security@...ts.openwall.com
cc: "Steven M. Christey" <coley@...us.mitre.org>
Subject: Re: CVE request: kernel: skfp_ioctl inverted logic
 flaw

======================================================
Name: CVE-2009-0675
Status: Candidate
URL: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0675
Reference: MLIST:[netdev] 20090128 [PATCH] drivers/net/skfp: if !capable(CAP_NET_ADMIN): inverted logic
Reference: URL:http://lists.openwall.net/netdev/2009/01/28/90
Reference: MLIST:[oss-security] 20090220 CVE request: kernel: skfp_ioctl inverted logic flaw
Reference: URL:http://openwall.com/lists/oss-security/2009/02/20/2
Reference: CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c25b9abbc2c2c0da88e180c3933d6e773245815a
Reference: CONFIRM:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.6
Reference: CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=486534
Reference: SECUNIA:33938
Reference: URL:http://secunia.com/advisories/33938

The skfp_ioctl function in drivers/net/skfp/skfddi.c in the Linux
kernel before 2.6.28.6 permits SKFP_CLR_STATS requests only when the
CAP_NET_ADMIN capability is absent, instead of when this capability is
present, which allows local users to reset the driver statistics,
related to an "inverted logic" issue.

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