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CVE-2011-3347

Status Candidate

Overview

A certain Red Hat patch to the be2net implementation in the kernel package before 2.6.32-218.el6 on Red Hat Enterprise Linux (RHEL) 6, when promiscuous mode is enabled, allows remote attackers to cause a denial of service (system crash) via non-member VLAN packets.

Related Files

Ubuntu Security Notice USN-1412-1
Posted Mar 29, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1412-1 - Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347
MD5 | bfd591fcc4b3f7eea6dfb02fe5b1d4d1
Ubuntu Security Notice USN-1409-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1409-1 - Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. Sasha Levin discovered a flaw in the permission checking for device assignments requested via the kvm ioctl in the Linux kernel. A local user could use this flaw to crash the system causing a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347, CVE-2011-4347, CVE-2011-3347, CVE-2011-4347
MD5 | a8d4729482609fc3c05998b5b8f50693
Ubuntu Security Notice USN-1405-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1405-1 - Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service. Paolo Bonzini discovered a flaw in Linux's handling of the SG_IO ioctl command. A local user, or user in a VM could exploit this flaw to bypass restrictions and gain read/write access to all data on the affected block device. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347, CVE-2011-4127, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146, CVE-2011-3347, CVE-2011-4127, CVE-2011-4347, CVE-2012-0045, CVE-2012-1090, CVE-2012-1097, CVE-2012-1146
MD5 | c29812fef36ea9efe70b4287f1da8f7c
Ubuntu Security Notice USN-1404-1
Posted Mar 28, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1404-1 - Somnath Kotur discovered an error in the Linux kernel's VLAN (virtual lan) and be2net drivers. An attacker on the local network could exploit this flaw to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2011-3347
MD5 | 53d4b5de6a6d3b9feae1550b156cc2e6
Red Hat Security Advisory 2012-0116-01
Posted Feb 15, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-0116-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. The proc file system could allow a local, unprivileged user to obtain sensitive information or possibly cause integrity issues. Non-member VLAN packet handling for interfaces in promiscuous mode and also using the be2net driver could allow an attacker on the local network to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2011-1020, CVE-2011-3347, CVE-2011-3637, CVE-2011-3638, CVE-2011-4110
MD5 | 80bccdf5c509aae88bc9da2ceeac24cb
Red Hat Security Advisory 2011-1530-03
Posted Dec 6, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1530-03 - The kernel packages contain the Linux kernel, the core of any Linux operating system. The proc file system could allow a local, unprivileged user to obtain sensitive information or possibly cause integrity issues. Non-member VLAN packet handling for interfaces in promiscuous mode and also using the be2net driver could allow an attacker on the local network to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2011-1020, CVE-2011-3347, CVE-2011-3638, CVE-2011-4110
MD5 | dfc3ef314e2580c0027a786e0bf031cb
Red Hat Security Advisory 2011-1408-01
Posted Oct 26, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1408-01 - An updated rhev-hypervisor package that fixes several security issues is now available. The RHBA-2011:1254 update introduced a regression in the Linux kernel's Ethernet bridge implementation. If a system had an interface in a bridge, and an attacker on the local network could send packets to that interface, they could cause a denial of service on that system. A flaw in the Linux kernel could lead to GRO (Generic Receive Offload) fields being left in an inconsistent state. An attacker on the local network could use this flaw to trigger a denial of service. GRO is enabled by default in all network drivers that support it. Various other issues have also been addressed.

tags | advisory, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2011-2723, CVE-2011-2942, CVE-2011-3188, CVE-2011-3347
MD5 | a6626ef2f7a1bc04148e8a03ff724275
Red Hat Security Advisory 2011-1386-01
Posted Oct 20, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1386-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. The maximum file offset handling for ext4 file systems could allow a local, unprivileged user to cause a denial of service. IPv6 fragment identification value generation could allow a remote attacker to disrupt a target system's networking, preventing legitimate users from accessing its services. Various other issues in the kernel have also been addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, redhat
advisories | CVE-2009-4067, CVE-2011-1160, CVE-2011-1585, CVE-2011-1833, CVE-2011-2484, CVE-2011-2496, CVE-2011-2695, CVE-2011-2699, CVE-2011-2723, CVE-2011-2942, CVE-2011-3131, CVE-2011-3188, CVE-2011-3191, CVE-2011-3209, CVE-2011-3347
MD5 | 501de34ecdb0786ceee3492c07b05128
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