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CVE-2005-4798

16
FAUCET Score

CVE-2005-4798 describes a buffer overflow vulnerability in the Linux Kernel (versions 2.4 up to 2.4.31) affecting its NFS client's readlink handling. This flaw allows a remote, malicious NFS server to trigger a denial of service (system crash) on the client by sending an excessively long symbolic link. The vulnerability has a CVSS score of 5.0 (medium severity), indicating it can be exploited remotely with low complexity to cause a partial impact on availability. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
2.4.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.0:*:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.0:test1:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.0:test10:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.0:test11:*:*:*:*:*:*
2.4.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.4.0:test12:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.95%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0295 is in the 80th percentile among its peer group of 23,723 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: kernel-0:2.4.21-40.EL
View patch

Vendor Advisories (1)

redhatCVE-2005-4798Moderate

security flaw

Sep 25, 2005

References

secunia.com / advisories/20398
secunia.com / advisories/22082
secunia.com / advisories/22093
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11536
debian.org / security/2006/dsa-1183
debian.org / security/2006/dsa-1184
kernel.org / git
kernel.org / git
novell.com / linux/security/advisories/2006-05-31.html
securityfocus.com / bid/20186
ussg.iu.edu / hypermail/linux/kernel/0509.1/1333.html