What is CVE-2010-4342?

CVE-2010-4342 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2010-4342 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-4342?

CVE-2010-4342 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is AV:N/AC:M/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2010-4342?

No patch is currently available for CVE-2010-4342. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2010-4342 actively exploited?

CVE-2010-4342 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2010-4342

High

The aun_incoming function in net/econet/af_econet.c in the Linux kernel before 2.6.37-rc6, when Econet is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and OOPS) by sending an Acorn Universal Networking (AUN) packet over UDP.

Package Linux Kernel

Published 2010-12-30

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.1

out of 10

High

Attack Vector

Network

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

None

Integrity

None

Availability

Vector string

AV:N/AC:M/Au:N/C:N/I:N/A:C

Weakness type

CWE-476

CVE-2010-4342 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2010-4342 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00002.html

Mailing List Third Party Advisory
Marc
http://marc.info/?l=linux-netdev&m=129185496013580&w=2

Exploit Third Party Advisory
Openwall
http://openwall.com/lists/oss-security/2010/12/09/1

Exploit Mailing List Third Party Advisory
Secunia
http://secunia.com/advisories/43291

Third Party Advisory
Kernel.org
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc6

Broken Link
Securityfocus
http://www.securityfocus.com/bid/45321

Third Party Advisory VDB Entry
Vupen
http://www.vupen.com/english/advisories/2011/0375

Third Party Advisory
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e085e76cbe558b79b54cbab772f61185879bc64
Patch
Kernel patch commit
http://marc.info/?l=linux-netdev&m=129186011218615&w=2
Patch
Kernel patch commit
http://openwall.com/lists/oss-security/2010/12/09/2
Patch

Details

CVE ID CVE-2010-4342

Severity High

CVSS score 7.1 / 10

CVSS version 2.0

Published 2010-12-30

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-4342?

CVE-2010-4342 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2010-4342 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-4342?

CVE-2010-4342 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:M/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2010-4342?

No patch is currently available for CVE-2010-4342. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2010-4342 actively exploited?

No — CVE-2010-4342 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. View CWE-476 on MITRE CWE →