CVE-2005-4798

5.0 MEDIUM 3% exploit odds No fix listed

What it is

Buffer overflow in NFS readlink handling in the Linux Kernel 2.4 up to 2.4.31 allows remote NFS servers to cause a denial of service (crash) via a long symlink, which is not properly handled in (1) nfs2xdr.c or (2) nfs3xdr.c and causes a crash in the NFS client.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 3.0% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2005-12-31 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:19 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 3.0% in the next 30 days (EPSS).
Severity: 5.0 MEDIUM (CVSS).
Fix: none linked yet, which raises it.

Details

Published: 2005-12-31 05:00 UTC
Last modified: 2026-06-16 22:19 UTC
Exploit probability: 3.0% · EPSS, next 30 days
Record status: Modified

Affected

Linux Kernel 2.4.0
Linux Kernel 2.4.1
Linux Kernel 2.4.2
Linux Kernel 2.4.3
Linux Kernel 2.4.10
Linux Kernel 2.4.11
Linux Kernel 2.4.12
Linux Kernel 2.4.13

Attack profile CVSS 2.0 · 5.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: None
Availability: Partial

Raw vector

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

Is it in your code?

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References

NVD record · CVE.org record