#VU95476 Race condition in Linux kernel - CVE-2004-2302

Vulnerability identifier: #VU95476

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2004-2302

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a local user to read memory contents or crash the application.

Race condition in the sysfs_read_file and sysfs_write_file functions in Linux kernel before 2.6.10 allows local users to read kernel memory and cause a denial of service (crash) via large offsets in sysfs files.

Mitigation
Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

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External links
https://kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.10-rc1/2.6.10-rc1-mm1/broken-out/fix-race-in-sysfs_read_file-and-sysfs_write_file.patch
https://linux.bkbits.net:8080/linux-2.6/cset%404186a4deVoR88JjTwMa3ZnIp-_YJsA
https://secunia.com/advisories/17826
https://secunia.com/advisories/18056
https://www.debian.org/security/2005/dsa-922
https://www.mandriva.com/security/advisories?name=MDKSA-2005:218
https://www.mandriva.com/security/advisories?name=MDKSA-2005:219
https://www.novell.com/linux/security/advisories/2005_44_kernel.html
https://www.securityfocus.com/bid/13091

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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.