Vulnerability · Published Mar 9, 2022 · Assigned by redhat
CVE-2022-0433
Medium 5.5
In plain English
A medium-severity security flaw in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.3%top 78.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-908
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2048259 x_refsource_MISC
- https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=3ccdcee28415c4226de05438b4d89eb5514edf73 x_refsource_MISC
- https://lore.kernel.org/bpf/1640776802-22421-1-git-send-email-tcs.kernel%40gmail.com/t/ x_refsource_MISC