#VU99981 Improper privilege management in Linux kernel - CVE-2002-1380

Vulnerability identifier: #VU99981

Vulnerability risk: Low

CVSSv4.0: 1.9 [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:P/U:Clear]

CVE-ID: CVE-2002-1380

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: Yes

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description

The vulnerability allows a local user to perform service disruption.

Linux kernel 2.2.x allows local users to cause a denial of service (crash) by using the mmap() function with a PROT_READ parameter to access non-readable memory pages through the /proc/pid/mem interface.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://www.debian.org/security/2003/dsa-336
https://www.linuxsecurity.com/advisories/engarde_advisory-2976.html
https://www.mandrakesoft.com/security/advisories?name=MDKSA-2003:039
https://www.redhat.com/support/errata/RHSA-2003-088.html
https://www.securityfocus.com/bid/6420
https://www.trustix.net/errata/misc/2002/TSL-2002-0083-kernel.asc.txt
https://exchange.xforce.ibmcloud.com/vulnerabilities/10884

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.