Input validation error in Linux kernel

1) Input validation error

EUVDB-ID: #VU94167

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2010-1162

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to execute arbitrary code.

The release_one_tty function in drivers/char/tty_io.c in the Linux kernel before 2.6.34-rc4 omits certain required calls to the put_pid function, which has unspecified impact and local attack vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:*:*:*:*:*:*:*:*

External links

https://www.openwall.com/lists/oss-security/2010/04/16/1
https://www.openwall.com/lists/oss-security/2010/04/15/2
https://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.34-rc4
https://www.openwall.com/lists/oss-security/2010/04/14/1
https://www.openwall.com/lists/oss-security/2010/04/15/1
https://bugzilla.redhat.com/show_bug.cgi?id=582076
https://secunia.com/advisories/39830
https://www.debian.org/security/2010/dsa-2053
https://www.vupen.com/english/advisories/2010/1857
https://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html
https://secunia.com/advisories/40645
https://www.mandriva.com/security/advisories?name=MDVSA-2010:198
https://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6da8d866d0d39e9509ff826660f6a86a6757c966

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.