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CVE-2022-49160

7.5 · HIGH

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash during module load unload test During purex packet handling the driver was incorrectly freeing a pre-a…

Published Feb 26, 2025CWE-763EPSS 0.33%

Overview

CVE-2022-49160 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

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

scsi: qla2xxx: Fix crash during module load unload test

During purex packet handling the driver was incorrectly freeing a

pre-allocated structure. Fix this by skipping that entry.

System crashed with the following stack during a module unload test.

Call Trace:

sbitmap_init_node+0x7f/0x1e0

sbitmap_queue_init_node+0x24/0x150

blk_mq_init_bitmaps+0x3d/0xa0

blk_mq_init_tags+0x68/0x90

blk_mq_alloc_map_and_rqs+0x44/0x120

blk_mq_alloc_set_map_and_rqs+0x63/0x150

blk_mq_alloc_tag_set+0x11b/0x230

scsi_add_host_with_dma.cold+0x3f/0x245

qla2x00_probe_one+0xd5a/0x1b80 [qla2xxx]

Call Trace with slub_debug and debug kernel:

kasan_report_invalid_free+0x50/0x80

__kasan_slab_free+0x137/0x150

slab_free_freelist_hook+0xc6/0x190

kfree+0xe8/0x2e0

qla2x00_free_device+0x3bb/0x5d0 [qla2xxx]

qla2x00_remove_one+0x668/0xcf0 [qla2xxx]

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/0972252450f90db56dd5415a20e2aec21a08d036Refgit.kernel.org/stable/c/213e57b42537f1a2e5395caa9d7189854133ed12Refgit.kernel.org/stable/c/67f744f73eba870ab96411d0310e831a4adc3713Refgit.kernel.org/stable/c/9b7eb92dac240ab3bc83e188d83a3df834b41eb2

How CyberStrike helps

Frequently asked questions

What is CVE-2022-49160?

CVE-2022-49160 is a high-severity vulnerability. It was published on February 26, 2025 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2022-49160?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-49160?

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-2022-49160?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-49160 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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