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CVE-2010-2803

Status Candidate

Overview

The drm_ioctl function in drivers/gpu/drm/drm_drv.c in the Direct Rendering Manager (DRM) subsystem in the Linux kernel before 2.6.27.53, 2.6.32.x before 2.6.32.21, 2.6.34.x before 2.6.34.6, and 2.6.35.x before 2.6.35.4 allows local users to obtain potentially sensitive information from kernel memory by requesting a large memory-allocation amount.

Related Files

Ubuntu Security Notice USN-1074-2
Posted Feb 28, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1074-2 - USN-1074-1 fixed vulnerabilities in linux-fsl-imx51 in Ubuntu 9.10. This update provides the corresponding updates for Ubuntu 10.04. Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Al Viro discovered a race condition in the TTY driver. Dan Rosenberg discovered that the MOVE_EXT ext4 ioctl did not correctly check file permissions. Neil Brown discovered that NFSv4 did not correctly check certain write requests. David Howells discovered that DNS resolution in CIFS could be spoofed. Various other issues have also been addressed.

tags | advisory, kernel, spoof, vulnerability
systems | linux, ubuntu
advisories | CVE-2009-4895, CVE-2010-2066, CVE-2010-2226, CVE-2010-2240, CVE-2010-2248, CVE-2010-2478, CVE-2010-2495, CVE-2010-2521, CVE-2010-2524, CVE-2010-2538, CVE-2010-2798, CVE-2010-2803, CVE-2010-2942, CVE-2010-2943, CVE-2010-2946, CVE-2010-2954, CVE-2010-2955, CVE-2010-2959, CVE-2010-2962, CVE-2010-2963, CVE-2010-3015, CVE-2010-3067, CVE-2010-3078, CVE-2010-3079, CVE-2010-3080, CVE-2010-3081, CVE-2010-3084, CVE-2010-3296
MD5 | 3c50452827e25742bef7840b721455f6
Ubuntu Security Notice USN-1074-1
Posted Feb 26, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1074-1 - Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Al Viro discovered a race condition in the TTY driver. Dan Rosenberg discovered that the MOVE_EXT ext4 ioctl did not correctly check file permissions. Neil Brown discovered that NFSv4 did not correctly check certain write requests. David Howells discovered that DNS resolution in CIFS could be spoofed. Various other issues have also been addressed.

tags | advisory, kernel, spoof, vulnerability
systems | linux, ubuntu
advisories | CVE-2009-4895, CVE-2010-2066, CVE-2010-2226, CVE-2010-2240, CVE-2010-2248, CVE-2010-2478, CVE-2010-2495, CVE-2010-2521, CVE-2010-2524, CVE-2010-2538, CVE-2010-2798, CVE-2010-2803, CVE-2010-2942, CVE-2010-2943, CVE-2010-2946, CVE-2010-2954, CVE-2010-2955, CVE-2010-2959, CVE-2010-2962, CVE-2010-2963, CVE-2010-3015, CVE-2010-3067, CVE-2010-3078, CVE-2010-3079, CVE-2010-3080, CVE-2010-3081, CVE-2010-3084, CVE-2010-3296
MD5 | 934d6a5d2bde45285650af4dbbaad8b2
Ubuntu Security Notice 974-2
Posted Aug 27, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 974-2 - USN-974-1 fixed vulnerabilities in the Linux kernel. The fixes for CVE-2010-2240 caused failures for Xen hosts. This update fixes the problem. Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory manager did not properly handle when applications grow stacks into adjacent memory regions. Kees Cook discovered that under certain situations the ioctl subsystem for DRM did not properly sanitize its arguments. Ben Hawkes discovered an integer overflow in the Controller Area Network (CAN) subsystem when setting up frame content and filtering certain messages.

tags | advisory, overflow, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2010-2240, CVE-2010-2803, CVE-2010-2959
MD5 | 3aab12c90f2cb1286a5d95fa9c8754fe
Debian Linux Security Advisory 2094-1
Posted Aug 21, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2094-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2009-4895, CVE-2010-2226, CVE-2010-2240, CVE-2010-2248, CVE-2010-2521, CVE-2010-2798, CVE-2010-2803, CVE-2010-2959, CVE-2010-3015
MD5 | 5193cd6c08da4c23384565ae1037c40f
Ubuntu Security Notice 974-1
Posted Aug 20, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 974-1 - Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory manager did not properly handle when applications grow stacks into adjacent memory regions. A local attacker could exploit this to gain control of certain applications, potentially leading to privilege escalation, as demonstrated in attacks against the X server. Kees Cook discovered that under certain situations the ioctl subsystem for DRM did not properly sanitize its arguments. A local attacker could exploit this to read previously freed kernel memory, leading to a loss of privacy. Ben Hawkes discovered an integer overflow in the Controller Area Network (CAN) subsystem when setting up frame content and filtering certain messages. An attacker could send specially crafted CAN traffic to crash the system or gain root privileges.

tags | advisory, overflow, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2010-2240, CVE-2010-2803, CVE-2010-2959
MD5 | 9a178270b8a45436233a9d99b085bc7d
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