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CVE-2012-3430

Status Candidate

Overview

The rds_recvmsg function in net/rds/recv.c in the Linux kernel before 3.0.44 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a (1) recvfrom or (2) recvmsg system call on an RDS socket.

Related Files

Red Hat Security Advisory 2012-1491-01
Posted Dec 4, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1491-01 - The kernel-rt packages contain the Linux kernel, the core of any Linux operating system. A flaw was found in the way Netlink messages without SCM_CREDENTIALS data set were handled. When not explicitly set, the data was sent but with all values set to 0, including the process ID and user ID, causing the Netlink message to appear as if it were sent with root privileges. A local, unprivileged user could use this flaw to send spoofed Netlink messages to an application, possibly resulting in the application performing privileged operations if it relied on SCM_CREDENTIALS data for the authentication of Netlink messages.

tags | advisory, kernel, local, root, spoof
systems | linux, redhat
advisories | CVE-2012-0957, CVE-2012-2133, CVE-2012-3400, CVE-2012-3430, CVE-2012-3511, CVE-2012-3520, CVE-2012-4508, CVE-2012-4565
MD5 | aece63615129fd789a2fd3c42520e29c
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 2012-1304-01
Posted Sep 26, 2012
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2012-1304-01 - The kernel packages contain the Linux kernel, the core of any Linux operating system. An integer overflow flaw was found in the i915_gem_do_execbuffer() function in the Intel i915 driver in the Linux kernel. A local, unprivileged user could use this flaw to cause a denial of service. This issue only affected 32-bit systems. A memory leak flaw was found in the way the Linux kernel's memory subsystem handled resource clean up in the mmap() failure path when the MAP_HUGETLB flag was set. A local, unprivileged user could use this flaw to cause a denial of service.

tags | advisory, denial of service, overflow, kernel, local, memory leak
systems | linux, redhat
advisories | CVE-2012-2313, CVE-2012-2384, CVE-2012-2390, CVE-2012-3430, CVE-2012-3552
MD5 | 2b9799604fcb5b2cc63c4a498c6f5882
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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