CVE-2022-49764
5.5 · MEDIUMIn the Linux kernel, the following vulnerability has been resolved: bpf: Prevent bpf program recursion for raw tracepoint probes We got report from sysbot [1] about warnings that were caused by b…
Overview
CVE-2022-49764 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical description
In the Linux kernel, the following vulnerability has been resolved:
bpf: Prevent bpf program recursion for raw tracepoint probes
We got report from sysbot [1] about warnings that were caused by
bpf program attached to contention_begin raw tracepoint triggering
the same tracepoint by using bpf_trace_printk helper that takes
trace_printk_lock lock.
Call Trace:
<TASK>
? trace_event_raw_event_bpf_trace_printk+0x5f/0x90
bpf_trace_printk+0x2b/0xe0
bpf_prog_a9aec6167c091eef_prog+0x1f/0x24
bpf_trace_run2+0x26/0x90
native_queued_spin_lock_slowpath+0x1c6/0x2b0
_raw_spin_lock_irqsave+0x44/0x50
bpf_trace_printk+0x3f/0xe0
bpf_prog_a9aec6167c091eef_prog+0x1f/0x24
bpf_trace_run2+0x26/0x90
native_queued_spin_lock_slowpath+0x1c6/0x2b0
_raw_spin_lock_irqsave+0x44/0x50
bpf_trace_printk+0x3f/0xe0
bpf_prog_a9aec6167c091eef_prog+0x1f/0x24
bpf_trace_run2+0x26/0x90
native_queued_spin_lock_slowpath+0x1c6/0x2b0
_raw_spin_lock_irqsave+0x44/0x50
bpf_trace_printk+0x3f/0xe0
Remediation
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
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Frequently asked questions
What is CVE-2022-49764?
CVE-2022-49764 is a medium-severity vulnerability. It was published on May 1, 2025 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2022-49764?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-49764?
Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-49764?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49764 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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