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CVE-2010-4075

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Date: November 29, 2010

The uart_get_count function in drivers/serial/serial_core.c in the Linux kernel before 2.6.37-rc1 does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Language: C

Severity Score

Related Resources (24)

http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03388.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
http://www.securityfocus.com/archive/1/520102/100/0/threaded
http://www.openwall.com/lists/oss-security/2010/10/06/6
https://access.redhat.com/security/cve/CVE-2010-4075
http://www.redhat.com/support/errata/RHSA-2011-0007.html
http://www.openwall.com/lists/oss-security/2010/09/25/2
http://secunia.com/advisories/42890
http://www.openwall.com/lists/oss-security/2010/10/25/3
http://www.securityfocus.com/bid/43806
http://secunia.com/advisories/46397
http://www.openwall.com/lists/oss-security/2010/10/07/1
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
https://bugzilla.redhat.com/show_bug.cgi?id=648660
http://www.redhat.com/support/errata/RHSA-2010-0958.html
http://www.redhat.com/support/errata/RHSA-2011-0162.html
http://www.redhat.com/support/errata/RHSA-2011-0017.html
http://secunia.com/advisories/42963
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
https://nvd.nist.gov/vuln/detail/CVE-2010-4075
http://www.vupen.com/english/advisories/2011/0168
https://people.canonical.com/~ubuntu-security/cve/CVE-2010-4075
http://secunia.com/advisories/42884
https://www.mend.io/vulnerability-database/CVE-2010-4075

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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