Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix multiple security issues and two bugs are now available for Red Hat Enterprise Linux 4. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed severity...

Null pointer dereference

The hciuartttyopen function in the HCI UART driver drivers/bluetooth/hcildisc.c in the Linux kernel 2.6.36, and possibly other versions, does not verify whether the tty has a write operation, which allows local users to cause a denial of service NULL pointer dereference via vectors related to the...

CVE-2010-4242

The hciuartttyopen function in the HCI UART driver drivers/bluetooth/hcildisc.c in the Linux kernel 2.6.36, and possibly other versions, does not verify whether the tty has a write operation, which allows local users to cause a denial of service NULL pointer dereference via vectors related to the...

Ubuntu 9.10 / 10.04 LTS / 10.10 : linux, linux-ec2 vulnerabilities (USN-1041-1)

Ben Hawkes discovered that the Linux kernel did not correctly filter registers on 64bit kernels when performing 32bit system calls. On a 64bit system, a local attacker could manipulate 32bit system calls to gain root privileges. CVE-2010-3301 Dan Rosenberg discovered that the btrfs filesystem did...

CVE-2010-4242

The hciuartttyopen function in the HCI UART driver drivers/bluetooth/hcildisc.c in the Linux kernel 2.6.36, and possibly other versions, does not verify whether the tty has a write operation, which allows local users to cause a denial of service NULL pointer dereference via vectors related to the...