RHSA-2014:1971: Important: kernel security and bug fix update
A flaw was found in the way the Linux kernel's SCTP implementation handled malformed or duplicate Address Configuration Change Chunks(ASCONF). A remote attacker could use either of these flaws to crash thesystem. (CVE-2014-3673, CVE-2014-3687, Important) A flaw was found in the way the Linux kernel's SCTP implementation handled the association's output queue. A remote attacker could sendspecially crafted packets that would cause the system to use an excessiveamount of memory, leading to a denial of service. (CVE-2014-3688,Important) Two flaws were found in the way the Apple Magic Mouse/Trackpad multi-touch driver and the Minibox PicoLCD driver handled invalid HIDreports. An attacker with physical access to the system could use theseflaws to crash the system or, potentially, escalate their privileges on thesystem. (CVE-2014-3181, CVE-2014-3186, Moderate) A memory corruption flaw was found in the way the USB ConnectTech WhiteHEAT serial driver processed completion commands sent via USB RequestBlocks buffers. An attacker with physical access to the system could usethis flaw to crash the system or, potentially, escalate their privileges onthe system. (CVE-2014-3185, Moderate) A flaw was found in the way the Linux kernel's keys subsystem handled the termination condition in the associative array garbage collectionfunctionality. A local, unprivileged user could use this flaw to crash thesystem. (CVE-2014-3631, Moderate) Multiple flaws were found in the way the Linux kernel's ALSA implementation handled user controls. A local, privileged user could useeither of these flaws to crash the system. (CVE-2014-4654, CVE-2014-4655,CVE-2014-4656, Moderate) A flaw was found in the way the Linux kernel's VFS subsystem handled reference counting when performing unmount operations on symbolic links.A local, unprivileged user could use this flaw to exhaust all availablememory on the system or, potentially, trigger a use-after-free error,resulting in a system crash or privilege escalation. (CVE-2014-5045,Moderate) A flaw was found in the way the getdumpable() function return value was interpreted in the ptrace subsystem of the Linux kernel. When'fs.suiddumpable' was set to 2, a local, unprivileged local user coulduse this flaw to bypass intended ptrace restrictions and obtainpotentially sensitive information. (CVE-2013-2929, Low) A stack overflow flaw caused by infinite recursion was found in the way the Linux kernel's UDF file system implementation processed indirect ICBs.An attacker with physical access to the system could use a speciallycrafted UDF image to crash the system. (CVE-2014-6410, Low) An information leak flaw in the way the Linux kernel handled media device enumerate entities IOCTL requests could allow a local user able to accessthe /dev/media0 device file to leak kernel memory bytes. (CVE-2014-1739,Low) An out-of-bounds read flaw in the Logitech Unifying receiver driver could allow an attacker with physical access to the system to crash the systemor, potentially, escalate their privileges on the system. (CVE-2014-3182,Low) Multiple out-of-bounds write flaws were found in the way the Cherry Cymotion keyboard driver, KYE/Genius device drivers, Logitech devicedrivers, Monterey Genius KB29E keyboard driver, Petalynx Maxter remotecontrol driver, and Sunplus wireless desktop driver handled invalid HIDreports. An attacker with physical access to the system could use either ofthese flaws to write data past an allocated memory buffer. (CVE-2014-3184,Low) An information leak flaw was found in the RAM Disks Memory Copy (rdmcp) back end driver of the iSCSI Target subsystem could allow a privileged userto leak the contents of kernel memory to an iSCSI initiator remote client.(CVE-2014-4027, Low) An information leak flaw in the Linux kernel's ALSA implementation could allow a local, privileged user to leak kernel memory to user space.(CVE-2014-4652, Low)
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2014:1971?
The severity of RHSA-2014:1971 is classified as Important.
How do I fix RHSA-2014:1971?
To fix RHSA-2014:1971, update the kernel package to version 3.10.0-123.13.1.el7 or later.
What are the vulnerabilities addressed by RHSA-2014:1971?
RHSA-2014:1971 addresses CVE-2014-3673 and CVE-2014-3687.
What could an attacker exploit in RHSA-2014:1971?
An attacker could exploit a flaw in the Linux kernel's SCTP implementation to crash the system.
Which systems are affected by RHSA-2014:1971?
RHSA-2014:1971 affects systems running specific versions of the Linux kernel, specifically 3.10.0-123.13.1.el7.