Information disclosure in Linux kernel

1) Information disclosure

EUVDB-ID: #VU45473

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2010-4525

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

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

Linux kernel 2.6.33 and 2.6.34.y does not initialize the kvm_vcpu_events->interrupt.pad structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via unspecified vectors.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 2.6.33 - 2.6.34

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:2.6.33:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:2.6.34:*:*:*:*:*:*:*

External links

https://osvdb.org/70377
https://secunia.com/advisories/42890
https://www.openwall.com/lists/oss-security/2011/01/05/1
https://www.openwall.com/lists/oss-security/2011/01/05/9
https://www.openwall.com/lists/oss-security/2011/01/06/3
https://www.redhat.com/support/errata/RHSA-2011-0007.html
https://www.redhat.com/support/errata/RHSA-2011-0028.html
https://www.securityfocus.com/bid/45676
https://www.vupen.com/english/advisories/2011/0123
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2010-4525
https://exchange.xforce.ibmcloud.com/vulnerabilities/64519

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.