CVE-2021-47518: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.2% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: nfc: fix potential NULL pointer deref in nfc_genl_dump_ses_done The done() netlink callback nfc_genl_dump_ses_done() should check if received argument is non-NULL, because its allocation could fail earlier in dumpit() (nfc_genl_dump_ses()).

Affected products

  • Linux Linux Kernel: from 3.12, before 4.4.295 (fixed in 4.4.295); from 4.5, before 4.9.293 (fixed in 4.9.293); from 4.10, before 4.14.258 (fixed in 4.14.258); from 4.15, before 4.19.221 (fixed in 4.19.221); from 4.20, before 5.4.165 (fixed in 5.4.165); from 5.5, before 5.10.85 (fixed in 5.10.85); …

Published 2024-05-24. Last modified 2026-06-17.