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.

Score

CVSS 3.1 5.5 Medium

Status

Modified - secalert@redhat.com

Published

2022-03-10

Last modified

2024-08-02

Weaknesses

CWE-476, CWE-908

Affected products

• Fedora (Fedoraproject)
• Linux Kernel (Linux)

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2048259
• https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3ccdcee28415c4226de05438b4d89eb5514edf73
• https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail.com/t/