What’s Vulnerable › Vulnerabilities

CVE-2026-45941: tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-24
• Weakness: CWE-401

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.

Affected products

• Linux kernel: from 3.7 before 5.10.252; from 5.11 before 5.15.202; from 5.16 before 6.1.165; from 6.2 before 6.6.128; from 6.7 before 6.12.75; from 6.13 before 6.18.14 — fixed in 5.10.252, 5.15.202, 6.1.165, 6.12.75, 6.18.14, 6.19.4

How to fix

Upgrade to a fixed version: Linux kernel 5.10.252, 5.15.202, 6.1.165, 6.12.75. Check the vendor advisory for mitigations.

References

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

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