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CVE-2011-2497

Status Candidate

Overview

Integer underflow in the l2cap_config_req function in net/bluetooth/l2cap_core.c in the Linux kernel before 3.0 allows remote attackers to cause a denial of service (heap memory corruption) or possibly have unspecified other impact via a small command-size value within the command header of a Logical Link Control and Adaptation Protocol (L2CAP) configuration request, leading to a buffer overflow.

Related Files

Ubuntu Security Notice USN-1253-1
Posted Nov 9, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1253-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 7761ddb7b1ba2737c6628228e6c4243d
Ubuntu Security Notice USN-1246-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1246-1 - Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service. Dan Rosenberg discovered that the Bluetooth stack incorrectly handled certain L2CAP requests. If a system was using Bluetooth, a remote attacker could send specially crafted traffic to crash the system or gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, local, root
systems | linux, ubuntu
advisories | CVE-2011-2213, CVE-2011-2497, CVE-2011-2695, CVE-2011-2700, CVE-2011-2723, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 7c7f25407535036c70e0426c08f4c579
Ubuntu Security Notice USN-1245-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1245-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | a377b41087e2fdf775b805d448907abc
Ubuntu Security Notice USN-1241-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1241-1 - It was discovered that the Stream Control Transmission Protocol (SCTP) implementation incorrectly calculated lengths. If the net.sctp.addip_enable variable was turned on, a remote attacker could send specially crafted traffic to crash the system. Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, protocol
systems | linux, ubuntu
advisories | CVE-2011-1573, CVE-2011-1576, CVE-2011-1776, CVE-2011-2213, CVE-2011-2494, CVE-2011-2495, CVE-2011-2496, CVE-2011-2497, CVE-2011-2517, CVE-2011-2525, CVE-2011-2695, CVE-2011-2723, CVE-2011-2905, CVE-2011-2909, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191, CVE-2011-3363
MD5 | 447c461aca2cec9be3fb95e5c596cd81
Ubuntu Security Notice USN-1240-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1240-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 7f8b27a4895207903ddd22763f71b81a
Ubuntu Security Notice USN-1239-1
Posted Oct 25, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1239-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly check the origin of mount points. A local attacker could exploit this to trick the system into unmounting arbitrary mount points, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1833, CVE-2011-2494, CVE-2011-2495, CVE-2011-2497, CVE-2011-2695, CVE-2011-2699, CVE-2011-2905, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 0145fca527819eed3f01ab8622ae7882
Ubuntu Security Notice USN-1228-1
Posted Oct 12, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1228-1 - Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, local, root
systems | linux, ubuntu
advisories | CVE-2011-1776, CVE-2011-2213, CVE-2011-2497, CVE-2011-2695, CVE-2011-2700, CVE-2011-2723, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 342cc180d5cecac8d3b0c419772eaabf
Ubuntu Security Notice USN-1227-1
Posted Oct 12, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1227-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1776, CVE-2011-1833, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699, CVE-2011-2700, CVE-2011-2723, CVE-2011-2918, CVE-2011-2928, CVE-2011-3191
MD5 | 9a2337043e81a33d9037f7ecaaaa557b
Ubuntu Security Notice USN-1225-1
Posted Oct 4, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1225-1 - Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Dan Rosenberg discovered that the IPv4 diagnostic routines did not correctly validate certain requests. A local attacker could exploit this to consume CPU resources, leading to a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, local, root
systems | linux, ubuntu
advisories | CVE-2011-1776, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699, CVE-2011-2928, CVE-2011-3191
MD5 | acb95aef3b6381d82c427d9a5779e6ea
Ubuntu Security Notice USN-1220-1
Posted Sep 29, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1220-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1776, CVE-2011-2213, CVE-2011-2497, CVE-2011-2700, CVE-2011-2723, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | c545d8cb75d14184310084cc7b87d4dd
Ubuntu Security Notice USN-1219-1
Posted Sep 29, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1219-1 - Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. Timo Warns discovered that the EFI GUID partition table was not correctly parsed. A physically local attacker that could insert mountable devices could exploit this to crash the system or possibly gain root privileges. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2011-1576, CVE-2011-1776, CVE-2011-1833, CVE-2011-2213, CVE-2011-2497, CVE-2011-2699, CVE-2011-2700, CVE-2011-2723, CVE-2011-2918, CVE-2011-2928, CVE-2011-3191
MD5 | 678fa3f9121155e428082acdf2e3e5ee
Debian Security Advisory 2310-1
Posted Sep 23, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2310-1 - 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-2009-4067, CVE-2011-0712, CVE-2011-1020, CVE-2011-2209, CVE-2011-2211, CVE-2011-2213, CVE-2011-2484, CVE-2011-2491, CVE-2011-2492, CVE-2011-2495, CVE-2011-2496, CVE-2011-2497, CVE-2011-2525, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 65d8d1aa0819020e5a4ce26c40213ab3
Debian Security Advisory 2303-2
Posted Sep 11, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2303-2 - The linux-2.6 and user-mode-linux upgrades from DSA-2303-1 has caused a regression that can result in an oops during invalid accesses to /proc/<pid>/maps files.

tags | advisory
systems | linux, debian
advisories | CVE-2011-1020, CVE-2011-1576, CVE-2011-2484, CVE-2011-2491, CVE-2011-2492, CVE-2011-2495, CVE-2011-2496, CVE-2011-2497, CVE-2011-2517, CVE-2011-2525, CVE-2011-2700, CVE-2011-2723, CVE-2011-2905, CVE-2011-2909, CVE-2011-2918, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 9318148db756c5f402f4dfdd1f2988ea
Debian Security Advisory 2303-1
Posted Sep 9, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2303-1 - 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-2011-1020, CVE-2011-1576, CVE-2011-2484, CVE-2011-2491, CVE-2011-2492, CVE-2011-2495, CVE-2011-2496, CVE-2011-2497, CVE-2011-2517, CVE-2011-2525, CVE-2011-2700, CVE-2011-2723, CVE-2011-2905, CVE-2011-2909, CVE-2011-2918, CVE-2011-2928, CVE-2011-3188, CVE-2011-3191
MD5 | 917e363aeecf249e485568a28a642067
Red Hat Security Advisory 2011-1189-01
Posted Aug 24, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1189-01 - Updated kernel packages that fix several security issues, various bugs, and add two enhancements are now available for Red Hat Enterprise Linux 6. Using PCI passthrough without interrupt remapping support allowed KVM guests to generate MSI interrupts and thus potentially inject traps. A privileged guest user could use this flaw to crash the host or possibly escalate their privileges on the host. The fix for this issue can prevent PCI passthrough working and guests starting. Flaw in the client-side NLM implementation could allow a local, unprivileged user to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2011-1182, CVE-2011-1576, CVE-2011-1593, CVE-2011-1776, CVE-2011-1898, CVE-2011-2183, CVE-2011-2213, CVE-2011-2491, CVE-2011-2492, CVE-2011-2495, CVE-2011-2497, CVE-2011-2517, CVE-2011-2689, CVE-2011-2695
MD5 | fa76aff8284089d6f74b1b515f6f37ea
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