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CVE-2010-3081

Status Candidate

Overview

The compat_alloc_user_space functions in include/asm/compat.h files in the Linux kernel before 2.6.36-rc4-git2 on 64-bit platforms do not properly allocate the userspace memory required for the 32-bit compatibility layer, which allows local users to gain privileges by leveraging the ability of the compat_mc_getsockopt function (aka the MCAST_MSFILTER getsockopt support) to control a certain length value, related to a "stack pointer underflow" issue, as exploited in the wild in September 2010.

Related Files

Linux 64-Bit Stack Pointer Underflow
Posted Jan 24, 2012
Authored by teach

Local root exploit for Linux kernel before 2.6.36-rc4-git2 on 64-bit platforms that leverages a flaw in the compat_alloc_user_space functions.

tags | exploit, kernel, local, root
systems | linux
advisories | CVE-2010-3081
MD5 | fe099495f6779df14bbb29db41b292ee
Ubuntu Security Notice USN-1119-1
Posted Apr 20, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1119-1 - Multiple security flaws have been fixed in the OMAP4 port of the Linux kernel.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2010-3849, CVE-2010-3850, CVE-2010-2954, CVE-2010-2955, CVE-2010-2960, CVE-2010-2962, CVE-2010-2963, CVE-2010-3079, CVE-2010-3080, CVE-2010-3081, CVE-2010-3437, CVE-2010-3705, CVE-2010-3848, CVE-2010-3849, CVE-2010-3850, CVE-2010-3861, CVE-2010-3865, CVE-2010-3873, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3904, CVE-2010-4072, CVE-2010-4079, CVE-2010-4158, CVE-2010-4164, CVE-2010-4165, CVE-2010-4249
MD5 | c166b2a4edaba2cfee36fd0164fbf8a9
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
Mandriva Linux Security Advisory 2010-247
Posted Dec 4, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-247 - Vulnerabilities were discovered and corrected in the Linux 2.6 kernel. There are both underflow and overflow issues addressed.

tags | advisory, overflow, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2010-3081, CVE-2010-3301, CVE-2010-3015
MD5 | fa52c4aeb6f654e187213ca302b13e1b
VMware Security Advisory 2010-0017
Posted Dec 1, 2010
Authored by VMware | Site vmware.com

VMware Security Advisory 2010-0017 - ESX Service Console OS (COS) kernel update. This patch updates the Service Console kernel to fix a stack pointer underflow issue in the 32-bit compatibility layer. Exploitation of this issue could allow a local user to gain additional privileges.

tags | advisory, kernel, local
advisories | CVE-2010-3081
MD5 | 8842b1a86e8952a9e083b76bb31a731d
Mandriva Linux Security Advisory 2010-214
Posted Nov 1, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-214 - A vulnerability in Linux kernel caused by insecure allocation of user space memory when translating system call inputs to 64-bit. A stack pointer underflow can occur when using the compat_alloc_user_space method with an arbitrary length input.

tags | advisory, arbitrary, kernel
systems | linux, mandriva
advisories | CVE-2010-3081
MD5 | 5fe0152d9bc14e19754c9f0c28f744b8
Ubuntu Security Notice 988-1
Posted Sep 18, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 988-1 - Ben Hawkes discovered that the Linux kernel did not correctly validate memory ranges on 64bit kernels when allocating memory on behalf of 32bit system calls. On a 64bit system, a local attacker could perform malicious multicast getsockopt calls to gain root privileges. Ben Hawkes discovered that the Linux kernel did not correctly filter registers on 64bit kernels when performing 32bit system calls. On a 64bit system, a local attacker could manipulate 32bit system calls to gain root privileges.

tags | advisory, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2010-3081, CVE-2010-3301
MD5 | 502a7f82ab0d9bc309325a83943d8e9e
Debian Linux Security Advisory 2110-1
Posted Sep 18, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2110-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2010-2492, CVE-2010-2954, CVE-2010-3078, CVE-2010-3080, CVE-2010-3081
MD5 | 90765b3502ab596dfec8cdb6a4b1edab
Linux 2.6.x Redhat x86_64 compat Local Root
Posted Sep 16, 2010
Authored by Ac1db1tch3z

Linux kernel versions 2.6.27 through 2.6.35 Redhat x86_64 compat local root exploit.

tags | exploit, kernel, local, root
systems | linux, redhat
advisories | CVE-2010-3081
MD5 | e7d5b1ff2fbeb46f83804afb175bd8ad
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