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CVE-2022-49063

7.8 · HIGH

In the Linux kernel, the following vulnerability has been resolved: ice: arfs: fix use-after-free when freeing @rx_cpu_rmap The CI testing bots triggered the following splat: [ 718.203054] BUG:…

Published Feb 26, 2025CWE-416EPSS 0.31%

Overview

CVE-2022-49063 is a high-severity vulnerability. It was published on February 26, 2025 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:

ice: arfs: fix use-after-free when freeing @rx_cpu_rmap

The CI testing bots triggered the following splat:

[ 718.203054] BUG: KASAN: use-after-free in free_irq_cpu_rmap+0x53/0x80

[ 718.206349] Read of size 4 at addr ffff8881bd127e00 by task sh/20834

[ 718.212852] CPU: 28 PID: 20834 Comm: sh Kdump: loaded Tainted: G S W IOE 5.17.0-rc8_nextqueue-devqueue-02643-g23f3121aca93 #1

[ 718.219695] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0012.070720200218 07/07/2020

[ 718.223418] Call Trace:

[ 718.227139]

[ 718.230783] dump_stack_lvl+0x33/0x42

[ 718.234431] print_address_description.constprop.9+0x21/0x170

[ 718.238177] ? free_irq_cpu_rmap+0x53/0x80

[ 718.241885] ? free_irq_cpu_rmap+0x53/0x80

[ 718.245539] kasan_report.cold.18+0x7f/0x11b

[ 718.249197] ? free_irq_cpu_rmap+0x53/0x80

[ 718.252852] free_irq_cpu_rmap+0x53/0x80

[ 718.256471] ice_free_cpu_rx_rmap.part.

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/618df75f2e30c7838a3e010ca32cd4893ec9fe33Refgit.kernel.org/stable/c/ba2f6ec28733fb6b24ed086e676df3df4c138f3fRefgit.kernel.org/stable/c/d08d2fb6d99d82da1c63aba5c0d1c6f237e150f3Refgit.kernel.org/stable/c/d7442f512b71fc63a99c8a801422dde4fbbf9f93Reflists.debian.org/debian-lts-announce/2025/10/msg00007.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49063?

CVE-2022-49063 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2022-49063?

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-2022-49063?

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-2022-49063?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49063 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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