Vulnerability in Linux

CVE-2025-68243

In the Linux kernel, the following vulnerability has been resolved: NFS: Check the TLS certificate fields in nfs_match_client() If the TLS security policy is of type RPC_XPRTSEC_TLS_X509, then the cert_serial and privkey_serial fields need to match as well since they define the client's identity, as presented to the server.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.001 (0.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-68243: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

  • Linux — versions 90c9550a8d65fb9b1bf87baf97a04ed91bf61b33, 6.17, 0

References

Frequently asked questions

What is CVE-2025-68243?
CVE-2025-68243 is a high-severity vulnerability in Linux. CVSS score: 7.0/10. Published 2025-12-16.
How severe is CVE-2025-68243?
High severity. CVSS v3 base score is 7.0 out of 10.