Common Weakness Enumeration

CWE-14

Compiler Removal of Code to Clear Buffers

Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it is not read from again, aka "dead store removal."

CVE-2023-0965 (GCVE-0-2023-0965)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:38 – Updated: 2025-01-22 14:33
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_cryptoacc_transparent_key_agreement in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
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CVE-2023-1132 (GCVE-0-2023-1132)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:44 – Updated: 2025-01-22 14:01
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_se_driver_key_agreement in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-2481 (GCVE-0-2023-2481)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:44 – Updated: 2025-01-21 21:38
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_se_opaque_import_key in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-32096 (GCVE-0-2023-32096)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:45 – Updated: 2025-01-21 21:35
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_crypto_transparent_aead_encrypt_tag in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-32097 (GCVE-0-2023-32097)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:45 – Updated: 2025-01-21 21:35
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_crypto_transparent_aead_decrypt_tag in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
3.1 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-32098 (GCVE-0-2023-32098)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:46 – Updated: 2025-01-21 21:33
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_se_sign_message in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-32099 (GCVE-0-2023-32099)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:46 – Updated: 2025-01-21 21:33
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_se_sign_hash in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-32100 (GCVE-0-2023-32100)

Vulnerability from cvelistv5 – Published: 2023-05-18 18:47 – Updated: 2025-01-21 21:29
VLAI
Title
Key duplication in GSDK
Summary
Compiler removal of buffer clearing in sli_se_driver_mac_compute in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
References
Impacted products
Vendor Product Version
silabs.com Gecko Platform Affected: 0 , < 4.2.2 (semver)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-64646 (GCVE-0-2025-64646)

Vulnerability from cvelistv5 – Published: 2026-03-25 20:35 – Updated: 2026-03-26 17:51
VLAI
Title
Multiple Vulnerabilities in IBM Concert Software
Summary
IBM Concert 1.0.0 through 2.2.0 could allow an attacker to access sensitive information in memory due to the buffer not properly clearing resources.
Severity
6.2 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7267105 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Concert Affected: 1.0.0 , ≤ 2.2.0 (semver)
    cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:concert:2.2.0:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
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CVE-2026-48984 (GCVE-0-2026-48984)

Vulnerability from cvelistv5 – Published: 2026-06-18 17:06 – Updated: 2026-06-18 18:48
VLAI
Title
pam_usb: xfree() does not call explicit_bzero — sensitive cryptographic material may linger in freed heap
Summary
pam_usb provides hardware authentication for Linux using ordinary removable media. In versions 0.9.1 and below, the xfree() memory release helper in calls free() without first zeroing the buffer contents, releasing heap-allocated buffers containing sensitive data — including one-time pad bytes read from disk — without clearing, leaving the sensitive content in freed heap memory until it happens to be overwritten by a subsequent allocation. On a system where a use-after-free condition exists, or where a heap inspection primitive becomes available, this could allow recovery of pad values or other authentication material from freed memory regions. This is a defence-in-depth requirement consistent with prior hardening work in this codebase (GHSA-vx6f-rrqr-j87c applied explicit_bzero to some pad paths; this issue generalises the pattern to the central deallocation helper).
Severity
4.7 (Medium)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-14 - Compiler Removal of Code to Clear Buffers
  • CWE-226 - Sensitive Information in Resource Not Removed Before Reuse
Assigner
References
Impacted products
Vendor Product Version
mcdope pam_usb Affected: < 0.9.2
Create a notification for this product.
Show details on NVD website
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Mitigation

Phase: Implementation

Description:

  • Store the sensitive data in a "volatile" memory location if available.
Mitigation

Phase: Build and Compilation

Description:

  • If possible, configure your compiler so that it does not remove dead stores.
Mitigation

Phase: Architecture and Design

Description:

  • Where possible, encrypt sensitive data that are used by a software system.

No CAPEC attack patterns related to this CWE.

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