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Vulnerability record · CVE-2010-2521 · published 7 September 2010

CVE-2010-2521: Linux kernel memory buffer overflow vulnerability

Linux · Linux Kernel

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.

10.0 CVSS 2.0 High EPSS 9.0% · top 4.9% CWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
9.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
40References
16 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
http://secunia.com/advisories/43315
http://securitytracker.com/id?1024286
http://www.debian.org/security/2010/dsa-2094
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
http://www.openwall.com/lists/oss-security/2010/07/07/1
http://www.openwall.com/lists/oss-security/2010/07/09/2
http://www.redhat.com/support/errata/RHSA-2010-0610.html
http://www.redhat.com/support/errata/RHSA-2010-0893.html
http://www.redhat.com/support/errata/RHSA-2010-0907.html
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.securityfocus.com/bid/42249
http://www.ubuntu.com/usn/USN-1000-1
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.vupen.com/english/advisories/2010/3050
https://bugzilla.redhat.com/show_bug.cgi?id=612028
https://rhn.redhat.com/errata/RHSA-2010-0606.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc
http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html
http://secunia.com/advisories/43315
http://securitytracker.com/id?1024286
http://www.debian.org/security/2010/dsa-2094
http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6
http://www.mandriva.com/security/advisories?name=MDVSA-2010:198
http://www.mandriva.com/security/advisories?name=MDVSA-2011:051
http://www.openwall.com/lists/oss-security/2010/07/07/1
http://www.openwall.com/lists/oss-security/2010/07/09/2
http://www.redhat.com/support/errata/RHSA-2010-0610.html
http://www.redhat.com/support/errata/RHSA-2010-0893.html
http://www.redhat.com/support/errata/RHSA-2010-0907.html
http://www.securityfocus.com/archive/1/516397/100/0/threaded
http://www.securityfocus.com/bid/42249
http://www.ubuntu.com/usn/USN-1000-1
http://www.vmware.com/security/advisories/VMSA-2011-0003.html
http://www.vupen.com/english/advisories/2010/3050
https://bugzilla.redhat.com/show_bug.cgi?id=612028
https://rhn.redhat.com/errata/RHSA-2010-0606.html

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Source: NIST National Vulnerability Database (record CVE-2010-2521), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.