SB2004041501 - Incorrect default permissions in Linux kernel
Published: April 15, 2004
Security Bulletin ID
SB2004041501
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Incorrect default permissions (CVE-ID: CVE-2003-1040)
The vulnerability allows a local user to perform service disruption.
kmod in the Linux kernel does not set its uid, suid, gid, or sgid to 0, which allows local users to cause a denial of service (crash) by sending certain signals to kmod.
Remediation
Install update from vendor's website.
References
- ftp://patches.sgi.com/support/free/security/advisories/20040204-01-U.asc
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000820
- http://linux.bkbits.net:8080/linux-2.4/diffs/kernel/kmod.c@1.6?nav=index.html|src/|src/kernel|hist/kernel/kmod.c
- http://www.novell.com/linux/security/advisories/2003_049_kernel.html
- http://www.redhat.com/support/errata/RHSA-2004-065.html
- http://www.redhat.com/support/errata/RHSA-2004-069.html
- http://www.redhat.com/support/errata/RHSA-2004-106.html
- http://www.redhat.com/support/errata/RHSA-2004-188.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15577
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9423