CVE-2022-0433

A NULL pointer dereference flaw was found in the Linux kernel's BPF subsystem in the way a user triggers the map_get_next_key function of the BPF bloom filter. This flaw allows a local user to crash the system. This flaw affects Linux kernel versions prior to 5.17-rc1.

• CWE-908
• CWE-476

• https://bugzilla.redhat.com/show_bug.cgi?id=2048259Issue Tracking, Patch, Third Party Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3ccdcee28415c4226de05438b4d89eb5514edf73Mailing List, Patch, Third Party Advisory
• https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail.com/t/
• https://bugzilla.redhat.com/show_bug.cgi?id=2048259Issue Tracking, Patch, Third Party Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3ccdcee28415c4226de05438b4d89eb5514edf73Mailing List, Patch, Third Party Advisory
• https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail.com/t/

Published

Mar 10, 2022

Last Modified

Jun 17, 2026

Status

Modified

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