#VU93726 Buffer overflow in Linux kernel - CVE-2007-4571
Published: September 26, 2007 / Updated: July 3, 2024
Linux kernel
Linux Foundation
Description
The vulnerability allows a local user to gain access to sensitive information.
The snd_mem_proc_read function in sound/core/memalloc.c in the Advanced Linux Sound Architecture (ALSA) in the Linux kernel before 2.6.22.8 does not return the correct write size, which allows local users to obtain sensitive information (kernel memory contents) via a small count argument, as demonstrated by multiple reads of /proc/driver/snd-page-alloc.
Remediation
External links
- http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=600
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.8
- https://issues.rpath.com/browse/RPL-1761
- http://support.avaya.com/elmodocs2/security/ASA-2007-474.htm
- https://www.redhat.com/archives/fedora-package-announce/2007-September/msg00436.html
- https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00083.html
- http://www.redhat.com/support/errata/RHSA-2007-0939.html
- http://www.redhat.com/support/errata/RHSA-2007-0993.html
- http://www.novell.com/linux/security/advisories/2007_53_kernel.html
- http://www.securityfocus.com/bid/25807
- http://www.securitytracker.com/id?1018734
- http://secunia.com/advisories/26918
- http://secunia.com/advisories/26989
- http://secunia.com/advisories/26980
- http://secunia.com/advisories/27101
- http://secunia.com/advisories/27436
- http://secunia.com/advisories/27227
- http://secunia.com/advisories/27747
- http://secunia.com/advisories/27824
- http://www.debian.org/security/2008/dsa-1479
- http://secunia.com/advisories/28626
- http://www.debian.org/security/2008/dsa-1505
- http://secunia.com/advisories/29054
- http://secunia.com/advisories/30769
- http://www.ubuntu.com/usn/usn-618-1
- http://www.vupen.com/english/advisories/2007/3272
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36780
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9053
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=ccec6e2c4a74adf76ed4e2478091a311b1806212