NULL pointer dereference in Linux

CVE-2026-53214

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix a potential NPD in cleanup_prefix_route() addrconf_get_prefix_route() can return the fib6_null_entry sentinel entry which has a NULL fib6_table pointer. Theref…

EPSS: 0.001 (2.4th percentile) — read the EPSS interpretation.

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.

Affected products

  • Linux — versions bd12abe294c7738421bdfbc486f1909d02db30e9, 5eb902b8e7193cdcb33242af0a56502e6b5206e9, 6.6.120
  • Linux Linux_kernel — versions 7.1

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-53214?
CVE-2026-53214 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-06-25.
How severe is CVE-2026-53214?
Medium severity. CVSS v3 base score is 5.5 out of 10.