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Secunia Security Advisory 50346

Secunia Security Advisory 50346
Posted Aug 22, 2012
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Red Hat has issued an update for the kernel. This fixes a vulnerability, which can be exploited by malicious, local users to cause a DoS (Denial of Service).

tags | advisory, denial of service, kernel, local
systems | linux, redhat
SHA-256 | 72057df965da4f627fc3724aecdd8175c52da58fa721ad607b2911e7fd4453d7

Secunia Security Advisory 50346

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TITLE:
Red Hat update for kernel

SECUNIA ADVISORY ID:
SA50346

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/50346/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=50346

RELEASE DATE:
2012-08-22

DISCUSS ADVISORY:
http://secunia.com/advisories/50346/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
* Last Update
* Popularity
* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)

http://secunia.com/advisories/50346/

ONLY AVAILABLE IN CUSTOMER AREA:
* Authentication Level
* Report Reliability
* Secunia PoC
* Secunia Analysis
* Systems Affected
* Approve Distribution
* Remediation Status
* Secunia CVSS Score
* CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=50346

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
* AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
Red Hat has issued an update for the kernel. This fixes a
vulnerability, which can be exploited by malicious, local users to
cause a DoS (Denial of Service).

The vulnerability is caused due to the "rio_ioctl()" function within
the dl2k driver (drivers/net/ethernet/dlink/dl2k.c) not restricting
the SIOCSMIIREG IOCTL, which can be exploited to cause certain
network adapters to malfunction by sending specially crafted IOCTLs.

SOLUTION:
Updated packages are available via Red Hat Network.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Stephan Mueller.

ORIGINAL ADVISORY:
RHSA-2012:1174-1:
https://rhn.redhat.com/errata/RHSA-2012-1174.html
https://bugzilla.redhat.com/show_bug.cgi?id=818820

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

----------------------------------------------------------------------

About:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

----------------------------------------------------------------------

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