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CVE-2012-3412

Status Candidate

Overview

The sfc (aka Solarflare Solarstorm) driver in the Linux kernel before 3.2.30 allows remote attackers to cause a denial of service (DMA descriptor consumption and network-controller outage) via crafted TCP packets that trigger a small MSS value.

Related Files

Red Hat Security Advisory 2012-1430-01
Posted Nov 7, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1430-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way socket buffers (skb) requiring TSO (TCP segment offloading) were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel, tcp
systems | linux, redhat
advisories | CVE-2012-3412
MD5 | 1cde3a692d68570ba5f277af217e37e2
Red Hat Security Advisory 2012-1401-01
Posted Oct 24, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1401-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-3412
MD5 | d6ae1be775c7919eebf61692ffe0a7d7
Red Hat Security Advisory 2012-1375-01
Posted Oct 18, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1375-01 - An updated rhev-hypervisor6 package that fixes one security issue and one bug is now available. A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service
systems | linux, redhat
advisories | CVE-2012-3412
MD5 | 8c2ef668cae7e253aca6894c6571d93f
Red Hat Security Advisory 2012-1366-01
Posted Oct 17, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1366-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. This update fixes the following security issue: A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-3412
MD5 | 3b92d3a61884e66ddc9f63eaec292829
Red Hat Security Advisory 2012-1347-01
Posted Oct 10, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1347-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-2319, CVE-2012-3412
MD5 | eefef5ed39992c60b313b7ccf37670a3
Red Hat Security Advisory 2012-1323-01
Posted Oct 2, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1323-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-2319, CVE-2012-3412, CVE-2012-3430, CVE-2012-3510
MD5 | 0125842e692a572a83e7420cd56e1683
Red Hat Security Advisory 2012-1324-01
Posted Oct 2, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1324-01 - The rhev-hypervisor5 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine hypervisor. A flaw was found in the way socket buffers requiring TSO were handled by the sfc driver. If the skb did not fit within the minimum-size of the transmission queue, the network card could repeatedly reset itself. A remote attacker could use this flaw to cause a denial of service.

tags | advisory, remote, denial of service, kernel
systems | linux, redhat
advisories | CVE-2012-3412
MD5 | 790821f6f2cfa17dc6132301d48abddd
Ubuntu Security Notice USN-1580-1
Posted Sep 22, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1580-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3412, CVE-2012-3430
MD5 | 5eb1fb322e1f3bf8db2feec33d5f7edd
Ubuntu Security Notice USN-1579-1
Posted Sep 22, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1579-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3412, CVE-2012-3430
MD5 | aa37ebd13ea08441a167ca5121a1f27c
Ubuntu Security Notice USN-1578-1
Posted Sep 22, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1578-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3412, CVE-2012-3430
MD5 | cfeae955b85c9fbee8c905739c233a92
Ubuntu Security Notice USN-1577-1
Posted Sep 22, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1577-1 - A flaw was discovered in the Linux kernel's KVM (kernel virtual machine). An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-2121, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511, CVE-2012-2121, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511
MD5 | 30d4584103fc75c09e5794cc941eda9f
Ubuntu Security Notice USN-1575-1
Posted Sep 20, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1575-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3412, CVE-2012-3430
MD5 | a2738a0327c41a7e805dbe61e68d95f7
Ubuntu Security Notice USN-1574-1
Posted Sep 20, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1574-1 - A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service (panic). Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-2745, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511, CVE-2012-2745, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511
MD5 | acc94eb5aa22fd46b8ced796f591bb4b
Ubuntu Security Notice USN-1573-1
Posted Sep 19, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1573-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3511, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511
MD5 | 8c8737235e78749b7f6b0a43ec540682
Ubuntu Security Notice USN-1572-1
Posted Sep 19, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1572-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3511, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511
MD5 | 31007ff833dd0f7140dd93a9465d0b13
Ubuntu Security Notice USN-1568-1
Posted Sep 14, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1568-1 - Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-3412, CVE-2012-3430, CVE-2012-3412, CVE-2012-3430
MD5 | d4b227a0bbfc4075e4ed9a3778d87c81
Ubuntu Security Notice USN-1567-1
Posted Sep 14, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1567-1 - A flaw was found in how the Linux kernel passed the replacement session keyring to a child process. An unprivileged local user could exploit this flaw to cause a denial of service (panic). Ben Hutchings reported a flaw in the Linux kernel with some network drivers that support TSO (TCP segment offload). A local or peer user could exploit this flaw to to cause a denial of service. Jay Fenlason and Doug Ledford discovered a bug in the Linux kernel implementation of RDS sockets. A local unprivileged user could potentially use this flaw to read privileged information from the kernel. Various other issues were also addressed.

tags | advisory, denial of service, kernel, local, tcp
systems | linux, ubuntu
advisories | CVE-2012-2745, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511, CVE-2012-2745, CVE-2012-3412, CVE-2012-3430, CVE-2012-3511
MD5 | e579264e9daab659345af727f69837cb
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