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CVE-2026-94202

Module block-pool create validates two of the four parameter words it reads

4.8 Medium

The Module Manager's block-pool create dispatcher proved that two ALIGN_TYPE words of the extra-parameter array a memory-protected module supplies lay inside the module's data, and then used indices 0 through 3 of that array.

One of the two unproved words is read by the dispatcher's own buffer check, which takes index 1 as the pool start and index 2 as the length to range-check it over. So the out-of-bounds read is performed by the validation code itself, before the kernel service is reached, and the size the caller's pool start is then validated against is a word the manager has not proved the module owns. The other unproved word is read when the service's argument list is built.

Vulnerable function: _txm_module_manager_tx_block_pool_create_dispatch, in common_modules/module_manager/inc/txm_module_manager_dispatch.h.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
Low

Exploit likelihood

0.15%Unchanged since Oct 21, 2026
90%50%10%1%

What each source reports

CVE List Score used 4.8

Module block-pool create validates two of the four parameter words it reads

The Module Manager's block-pool create dispatcher proved that two ALIGN_TYPE words of the extra-parameter array a memory-protected module supplies lay inside the module's data, and then used indices 0 through 3 of that array.

One of the two unproved words is read by the dispatcher's own buffer check, which takes index 1 as the pool start and index 2 as the length to range-check it over. So the out-of-bounds read is performed by the validation code itself, before the kernel service is reached, and the size the caller's pool start is then validated against is a word the manager has not proved the module owns. The other unproved word is read when the service's argument list is built.

Vulnerable function: _txm_module_manager_tx_block_pool_create_dispatch, in common_modules/module_manager/inc/txm_module_manager_dispatch.h.

Record
CVE-2026-94202
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-125
Updated
2026-11-02
EUVDEUVD-2026-105150 4.8

The Module Manager's block-pool create dispatcher proved that two ALIGN_TYPE words of the extra-parameter array a memory-protected module supplies lay inside the module's data, and then used indices 0 through 3 of that array.

One of the two unproved words is read by the dispatcher's own buffer check, which takes index 1 as the pool start and index 2 as the length to range-check it over. So the out-of-bounds read is performed by the validation code itself, before the kernel service is reached, and the size the caller's pool start is then validated against is a word the manager has not proved the module owns. The other unproved word is read when the service's argument list is built.

Vulnerable function: _txm_module_manager_tx_block_pool_create_dispatch, in common_modules/module_manager/inc/txm_module_manager_dispatch.h.

Record
EUVD-2026-105150
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Updated
2026-11-02
NVD 4.8

The Module Manager's block-pool create dispatcher proved that two ALIGN_TYPE words of the extra-parameter array a memory-protected module supplies lay inside the module's data, and then used indices 0 through 3 of that array.

One of the two unproved words is read by the dispatcher's own buffer check, which takes index 1 as the pool start and index 2 as the length to range-check it over. So the out-of-bounds read is performed by the validation code itself, before the kernel service is reached, and the size the caller's pool start is then validated against is a word the manager has not proved the module owns. The other unproved word is read when the service's argument list is built.

Vulnerable function: _txm_module_manager_tx_block_pool_create_dispatch, in common_modules/module_manager/inc/txm_module_manager_dispatch.h.

Record
CVE-2026-94202
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-125
Updated
2026-11-02
OSV 4.8

Module block-pool create validates two of the four parameter words it reads

The Module Manager's block-pool create dispatcher proved that two ALIGN_TYPE words of the extra-parameter array a memory-protected module supplies lay inside the module's data, and then used indices 0 through 3 of that array.

One of the two unproved words is read by the dispatcher's own buffer check, which takes index 1 as the pool start and index 2 as the length to range-check it over. So the out-of-bounds read is performed by the validation code itself, before the kernel service is reached, and the size the caller's pool start is then validated against is a word the manager has not proved the module owns. The other unproved word is read when the service's argument list is built.

Vulnerable function: _txm_module_manager_tx_block_pool_create_dispatch, in common_modules/module_manager/inc/txm_module_manager_dispatch.h.

Record
CVE-2026-94202
CVSS 4.0
4.8 MediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-125
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-94202 is a medium vulnerability (CVSS 4.8) in Eclipse Foundation Threadx, published October 20, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.

References

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