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CVE-2022-48697

9.8 · CRITICAL
Published May 3, 2024 linux CWE-416 EPSS 0.59% (46th pctl)

Overview

CVE-2022-48697 is a critical-severity vulnerability affecting linux linux_kernel. It was published on May 3, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

In the Linux kernel, the following vulnerability has been resolved:

nvmet: fix a use-after-free

Fix the following use-after-free complaint triggered by blktests nvme/004:

BUG: KASAN: user-memory-access in blk_mq_complete_request_remote+0xac/0x350

Read of size 4 at addr 0000607bd1835943 by task kworker/13:1/460

Workqueue: nvmet-wq nvme_loop_execute_work [nvme_loop]

Call Trace:

show_stack+0x52/0x58

dump_stack_lvl+0x49/0x5e

print_report.cold+0x36/0x1e2

kasan_report+0xb9/0xf0

__asan_load4+0x6b/0x80

blk_mq_complete_request_remote+0xac/0x350

nvme_loop_queue_response+0x1df/0x275 [nvme_loop]

__nvmet_req_complete+0x132/0x4f0 [nvmet]

nvmet_req_complete+0x15/0x40 [nvmet]

nvmet_execute_io_connect+0x18a/0x1f0 [nvmet]

nvme_loop_execute_work+0x20/0x30 [nvme_loop]

process_one_work+0x56e/0xa70

worker_thread+0x2d1/0x640

kthread+0x183/0x1c0

ret_from_fork+0x1f/0x30

Remediation

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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.

Affected Products

Vendor Product Versions Status
linux linux_kernel >= 4.8, < 4.19.260 Affected

References

Ref git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e Ref git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060 Ref git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52 Ref git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717 Ref git.kernel.org/stable/c/be01f1c988757b95f11f090a9f491365670a522b Ref git.kernel.org/stable/c/ebf46da50beb78066674354ad650606a467e33fa Ref git.kernel.org/stable/c/17f121ca3ec6be0fb32d77c7f65362934a38cc8e Ref git.kernel.org/stable/c/4484ce97a78171668c402e0c45db7f760aea8060 Ref git.kernel.org/stable/c/6a02a61e81c231cc5c680c5dbf8665275147ac52 Ref git.kernel.org/stable/c/8d66989b5f7bb28bba2f8e1e2ffc8bfef4a10717

Frequently Asked Questions

What is CVE-2022-48697?

CVE-2022-48697 is a critical-severity vulnerability affecting linux linux_kernel. It was published on May 3, 2024 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2022-48697?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-48697?

Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. 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-2022-48697?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-48697 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

AI agents map your attack surface to find vulnerabilities like this one.
Continuous Pentesting

Automated penetration testing that runs continuously, not just quarterly.
Code Review

AI-driven PR review catches vulnerable dependencies before they ship.
HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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