Missing release of memory after effective lifetime in Linux kernel



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2003-0465
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Linux kernel
Operating systems & Components / Operating system

Vendor Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Missing release of memory after effective lifetime

EUVDB-ID: #VU99957

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2003-0465

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The kernel strncpy function in Linux 2.4 and 2.5 does not %NUL pad the buffer on architectures other than x86, as opposed to the expected behavior of strncpy as implemented in libc, which could lead to information leaks.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

CPE2.3 External links

https://marc.info/?l=linux-kernel&m=105796021120436&w=2
https://marc.info/?l=linux-kernel&m=105796415223490&w=2
https://www.redhat.com/support/errata/RHSA-2004-188.html
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10285


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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