What is CVE-2010-2521?

CVE-2010-2521 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10, classified as a Buffer Overflow flaw (CWE-119). CVE-2010-2521 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-2521?

CVE-2010-2521 has a CVSS score of 10.0 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.

Is there a patch available for CVE-2010-2521?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2010-2521 patch availability.

Is CVE-2010-2521 actively exploited?

CVE-2010-2521 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Buffer Overflow (CWE-119)?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/119.html

CVE-2010-2521

High

Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service (panic) or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the read_buf and nfsd4_decode_compound functions.

Package Linux Kernel

Published 2010-09-07

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

10.0

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

Availability

Vector string

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

Weakness type

CWE-119

CVE-2010-2521 is a Buffer Overflow vulnerability

What is Buffer Overflow?

The product performs operations on a memory buffer but reads or writes outside its intended boundaries. Learn more on MITRE CWE

References

20 total

Kernel Git
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc
Lists
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
Secunia
http://secunia.com/advisories/43315
Securitytracker
http://securitytracker.com/id?1024286
Debian Security
http://www.debian.org/security/2010/dsa-2094

Showing 5 of 20 references View all on NVD

Details

CVE ID CVE-2010-2521

Severity High

CVSS score 10.0 / 10

CVSS version 2.0

Published 2010-09-07

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-2521?

CVE-2010-2521 is a High severity Linux kernel vulnerability with a CVSS score of 10.0 out of 10 , classified as a Buffer Overflow flaw (CWE-119) . CVE-2010-2521 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-2521?

CVE-2010-2521 has a CVSS score of 10.0 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:C/I:C/A:C.
Is there a patch available for CVE-2010-2521?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2010-2521 patch availability.
Is CVE-2010-2521 actively exploited?

No. CVE-2010-2521 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.