CVE-2010-2521

critical

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.

References

https://rhn.redhat.com/errata/RHSA-2010-0606.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2010-2525

https://bugzilla.redhat.com/show_bug.cgi?id=612028

http://www.vupen.com/english/advisories/2010/3050

http://www.vmware.com/security/advisories/VMSA-2011-0003.html

http://www.ubuntu.com/usn/USN-1000-1

http://www.securityfocus.com/bid/42249

http://www.securityfocus.com/archive/1/516397/100/0/threaded

http://www.redhat.com/support/errata/RHSA-2010-0907.html

http://www.redhat.com/support/errata/RHSA-2010-0893.html

http://www.redhat.com/support/errata/RHSA-2010-0610.html

http://www.openwall.com/lists/oss-security/2010/07/09/2

http://www.openwall.com/lists/oss-security/2010/07/07/1

http://www.mandriva.com/security/advisories?name=MDVSA-2011:051

http://www.mandriva.com/security/advisories?name=MDVSA-2010:198

http://www.kernel.org/pub/linux/kernel/v2.6/testing/v2.6.34/ChangeLog-2.6.34-rc6

http://www.debian.org/security/2010/dsa-2094

http://securitytracker.com/id?1024286

http://secunia.com/advisories/43315

http://lists.opensuse.org/opensuse-security-announce/2010-09/msg00004.html

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2bc3c1179c781b359d4f2f3439cb3df72afc17fc

Details

Source: Mitre, NVD

Published: 2010-09-07

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.02457