Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.16 |
| Fedoraproject | Fedora | 35 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2048259Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3Mailing ListPatchThird Party Advisory
- https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail
- https://bugzilla.redhat.com/show_bug.cgi?id=2048259Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3Mailing ListPatchThird Party Advisory
- https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail
FAQ
What is CVE-2022-0433?
CVE-2022-0433 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 t...
How severe is CVE-2022-0433?
CVE-2022-0433 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-0433?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora.