CVE-2010-2521 Memory corruption in n/a

What is CVE-2010-2521?

CVE-2010-2521 is a critical memory corruption vulnerability in Linux kernel, published on 7 Sep 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-119

Which versions are affected by CVE-2010-2521?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2010-2521?

Upgrade to a fixed version.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2010-2521 being exploited?

There is no known exploitation of CVE-2010-2521 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3cv6-6qgh-wmgm, RHSA-2010:0893, RHSA-2010:0907.