SB2005050221 - Integer underflow in Linux kernel
Published: May 2, 2005
Security Bulletin ID
SB2005050221
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Integer underflow (CVE-ID: CVE-2005-0530)
CWE-ID: CWE-191 - Integer underflow
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to gain access to sensitive information.
Signedness error in the copy_from_read_buf function in n_tty.c for Linux kernel 2.6.10 and 2.6.11rc1 allows local users to read kernel memory via a negative argument.
Remediation
Install update from vendor's website.
References
- http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html
- http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000930
- http://www.novell.com/linux/security/advisories/2005_18_kernel.html
- http://www.redhat.com/support/errata/RHSA-2005-366.html
- http://marc.info/?l=full-disclosure&m=110846727602817&w=2
- http://marc.info/?l=bugtraq&m=111091402626556&w=2
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10960
- http://linux.bkbits.net:8080/linux-2.6/cset%40420181322LZmhPTewcCOLkubGwOL3w