Incorrect default permissions in Linux kernel - CVE-2003-1040
Published: April 15, 2004 / Updated: August 13, 2018
Vulnerability identifier: #VU94813
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2003-1040
CWE-ID: CWE-276
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2003-1040
Install update from vendor's repository.
Sources
- 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