NULL pointer dereference in Linux

CVE-2025-21774

In the Linux kernel, the following vulnerability has been resolved: can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated Fix NULL pointer check in rkcanfd_handle_rx_fifo_overflow_int() to bail out if skb cannot be allocated.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.0% 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-2025-21774: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Linux — versions ff60bfbaf67f219c634cfe89a52250efe8e600d0, 6.12, 0
  • Linux Kernel — versions 6.14

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-21774?
CVE-2025-21774 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2025-02-27.
How severe is CVE-2025-21774?
Medium severity. CVSS v3 base score is 5.5 out of 10.