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{"acknowledgement": "Red Hat would like to thank Kees Cook for reporting this issue.", "bugzilla": {"description": "kernel: v4l: VIDIOCSMICROCODE arbitrary write", "id": "642465", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=642465"}, "csaw": false, "cvss": {"cvss_base_score": "6.2", "cvss_scoring_vector": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "status": "draft"}, "details": ["drivers/media/video/v4l2-compat-ioctl32.c in the Video4Linux (V4L) implementation in the Linux kernel before 2.6.36 on 64-bit platforms does not validate the destination of a memory copy operation, which allows local users to write to arbitrary kernel memory locations, and consequently gain privileges, via a VIDIOCSTUNER ioctl call on a /dev/video device, followed by a VIDIOCSMICROCODE ioctl call on this device."], "name": "CVE-2010-2963", "public_date": "2010-10-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2010-2963\nhttps://nvd.nist.gov/vuln/detail/CVE-2010-2963"], "statement": "This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3 and 4 as they did not include the upstream commit eb4eeccc that introduced the problem. It did not affect Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG as they did not provide support for the Stradis driver that uses the vulnerable compat code for VIDIOCSMICROCODE. As a preventive measure, we have removed the vulnerable code in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0839.html. We plan to remove the vulnerable code in a future kernel update in Red Hat Enterprise MRG.", "threat_severity": "Moderate"}