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CVE-2022-48848

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Do not unregister events twice Nicolas reported that using: # trace-cmd record -e all -M 10 -p osnoise --pol…

Published Jul 16, 2024EPSS 0.22%

Overview

CVE-2022-48848 is a high-severity vulnerability. It was published on July 16, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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:

tracing/osnoise: Do not unregister events twice

Nicolas reported that using:

# trace-cmd record -e all -M 10 -p osnoise --poll

Resulted in the following kernel warning:

------------[ cut here ]------------

WARNING: CPU: 0 PID: 1217 at kernel/tracepoint.c:404 tracepoint_probe_unregister+0x280/0x370

[...]

CPU: 0 PID: 1217 Comm: trace-cmd Not tainted 5.17.0-rc6-next-20220307-nico+ #19

RIP: 0010:tracepoint_probe_unregister+0x280/0x370

[...]

CR2: 00007ff919b29497 CR3: 0000000109da4005 CR4: 0000000000170ef0

Call Trace:

<TASK>

osnoise_workload_stop+0x36/0x90

tracing_set_tracer+0x108/0x260

tracing_set_trace_write+0x94/0xd0

? __check_object_size.part.0+0x10a/0x150

? selinux_file_permission+0x104/0x150

vfs_write+0xb5/0x290

ksys_write+0x5f/0xe0

do_syscall_64+0x3b/0x90

entry_SYSCALL_64_after_hwframe+0x44/0xae

RIP: 0033:0x7ff919a18127

[...]

---[ end trace 0000000000000000 ]---

The warning compl

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.

References

Refgit.kernel.org/stable/c/4e10787d18379d9b296290c2288097feddef16d4Refgit.kernel.org/stable/c/f0cfe17bcc1dd2f0872966b554a148e888833ee9Refgit.kernel.org/stable/c/4e10787d18379d9b296290c2288097feddef16d4Refgit.kernel.org/stable/c/f0cfe17bcc1dd2f0872966b554a148e888833ee9

How CyberStrike helps

Frequently asked questions

What is CVE-2022-48848?

CVE-2022-48848 is a high-severity vulnerability. It was published on July 16, 2024 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-48848?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-48848?

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-2022-48848?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-48848 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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