National Cyber-Alert System
Vulnerability Summary for CVE-2009-0675
Original release date:02/22/2009
Last revised:06/12/2009
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows unauthorized modification
- Official Statement from Red Hat (05/19/2009)
-
This issue did not affect the version of Linux kernel as shipped with Red Hat Enterprise Linux 4 as the affected driver is not enabled in these kernels by default. The affected driver is enabled by default in Red Hat Enterprise Linux 2.1, 3, 5, and Red Hat Enterprise MRG.
It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2009-0326.html and Red Hat Enterprise MRG via https://rhn.redhat.com/errata/RHSA-2009-0360.html .
As Red Hat Enterprise Linux 2.1 and 3 are now in Production 3 of their maintenance life-cycle, http://www.redhat.com/security/updates/errata, and this issue has been rated as having moderate impact, the fix for this issue is not currently planned to be included in the future updates.
References to Advisories, Solutions, and Tools
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External Source: CONFIRM
Name: https://bugzilla.redhat.com/show_bug.cgi?id=486534
External Source: UBUNTU
Name: USN-751-1
External Source: REDHAT
Name: RHSA-2009:0360
External Source: REDHAT
Name: RHSA-2009:0326
External Source: MANDRIVA
Name: MDVSA-2009:071
External Source: CONFIRM
Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.6
External Source: DEBIAN
Name: DSA-1794
External Source: DEBIAN
Name: DSA-1787
External Source: DEBIAN
Name: DSA-1749
External Source: SECUNIA
Name: 35394
External Source: SECUNIA
Name: 35011
External Source: SECUNIA
Name: 34981
External Source: SECUNIA
Name: 34680
External Source: SECUNIA
Name: 34502
External Source: SECUNIA
Name: 34394
External Source: SECUNIA
Name: 33938
Type: Advisory
External Source: SECUNIA
Name: 33758
External Source: MLIST
Name: [oss-security] 20090220 CVE request: kernel: skfp_ioctl inverted logic flaw
External Source: MLIST
Name: [netdev] 20090128 [PATCH] drivers/net/skfp: if !capable(CAP_NET_ADMIN): inverted logic
External Source: SUSE
Name: SUSE-SA:2009:031
External Source: CONFIRM
Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c25b9abbc2c2c0da88e180c3933d6e773245815a
