An issue was discovered in the Linux kernels implementation of NFC drivers. The
nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the
caller does not check for this, it will trigger a NULL pointer dereference. This
will cause denial of service. This affects nfc_llcp_build_gb in
Created kernel tracking bugs for this issue:
Affects: fedora-all [bug 1721969]
This issue was fixed for Fedora in the 4.20.15 stable update.
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):