CVE-2013-4516

Published: 12 November 2013

The mp_get_count function in drivers/staging/sb105x/sb_pci_mp.c in the Linux kernel before 3.12 does not initialize a certain data structure, which allows local users to obtain sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

From the Ubuntu security team

Nico Golde and Fabian Yamaguchi reported a flaw in the Linux kernel's driver for the SystemBase Multi-2/PCI serial card. An unprivileged user could obtain sensitive information from kernel memory.

Status

References

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4516
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a8b33654b1e3b0c74d4a1fed041c9aae50b3c427
• https://ubuntu.com/security/notices/USN-2069-1
• https://ubuntu.com/security/notices/USN-2070-1
• https://ubuntu.com/security/notices/USN-2073-1
• https://ubuntu.com/security/notices/USN-2075-1
• NVD
• Launchpad
• Debian