CVE-2026-45941

tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure

MEDIUM
5.5
CVSS Score
Published: May 27, 2026 at 12:17 PM UTC
Updated: June 27, 2026 at 11:41 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

3.7 ≤ v < 5.10.2523.7 ≤ v < 5.15.2023.7 ≤ v < 6.1.1653.7 ≤ v < 6.12.753.7 ≤ v < 6.18.143.7 ≤ v < 6.19.43.7 ≤ v < 6.6.1283.7 ≤ v < 7.05.11 ≤ v < 5.15.2025.16 ≤ v < 6.1.1656.13 ≤ v < 6.18.146.19 ≤ v < 6.19.46.2 ≤ v < 6.6.1286.7 ≤ v < 6.12.753.7aad628c1d91a6db57e572e4c1f35e863d81061d7
Vendor states this is fixed in 1a22048c1117cdfac185ba450aba67ed6b65dc87 (fixed)
Vendor states this is fixed in 1bb8f8826d0748b4b92a98fb6b6dfe52081739f5 (fixed)
Vendor states this is fixed in 2f7a665e1323359d99c74301d1e180f5e2c40181 (fixed)
Vendor states this is fixed in 8f124c5582d443ac9fb690db26d08cab5d6ba76e (fixed)
Vendor states this is fixed in 948966e546f29af04391d98b8e378e4a7670c1c1 (fixed)
Vendor states this is fixed in a61b8412e3eb8b71646dba867e8252d8560a1a27 (fixed)
Vendor states this is fixed in bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713 (fixed)
Vendor states this is fixed in c24c9c4cab11858f22f309521ba7ea5b1e7385f2 (fixed)
Vendor states this is fixed in 3.7 (unaffected)
Vendor states this is fixed in 5.10.252 (unaffected)
Vendor states this is fixed in 5.15.202 (unaffected)
Vendor states this is fixed in 6.1.165 (unaffected)
Vendor states this is fixed in 6.12.75 (unaffected)
Vendor states this is fixed in 6.18.14 (unaffected)
Vendor states this is fixed in 6.19.4 (unaffected)
Vendor states this is fixed in 6.6.128 (unaffected)
Vendor states this is fixed in 7.0 (unaffected)

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusUNDERGOING ANALYSIS
CWE
CWE-401

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