CVE-2024-54456: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client()
Vulnerability summary
CVE-2024-54456 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 9Timeline
- 27-02-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client() name is char[64] where the size of clnt->cl_program->name remains unknown. Invoking strcat() directly will also lead to potential buffer overflow. Change them to strscpy() and strncat() to fix potential issues.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu107 products
- linux< 6.8.0-78.78
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1035.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ e13b549319a684dd80c4cc25e9567a5c84007e32, < 19b3ca651b4b473878c73539febe477905041442 | ≥ e13b549319a684dd80c4cc25e9567a5c84007e32, < dd8830779b77f4d1206d28d02ad56a03fc0e78f7 | ≥ e13b549319a684dd80c4cc25e9567a5c84007e32, < e8e0eb5601d4a6c74c336e3710afe3a0348c469d | ≥ e13b549319a684dd80c4cc25e9567a5c84007e32, < 49fd4e34751e90e6df009b70cd0659dc839e7ca8 | 6.5
- linux_kernel≥ 6.5, < 6.6.79 | ≥ 6.7, < 6.12.16 | ≥ 6.13, < 6.13.4
Debian1 product
- linux< 6.12.16-1
3 vendors · 110 products
