CVE-2025-40252: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()

Q: What is the severity of CVE-2025-40252?

CVE-2025-40252 has been classified with moderate severity due to the potential out-of-bounds read vulnerability.

Q: How do I fix CVE-2025-40252?

To fix CVE-2025-40252, upgrade to the latest version of the Linux kernel where this vulnerability has been resolved.

Q: What systems are affected by CVE-2025-40252?

CVE-2025-40252 affects versions of the Linux kernel that implement the qlogic/qede driver.

Q: What are the potential consequences of CVE-2025-40252?

Exploitation of CVE-2025-40252 may lead to arbitrary memory access, potentially resulting in system instability.

Q: Is there a workaround for CVE-2025-40252?

Currently, there are no known workarounds for CVE-2025-40252 other than applying the kernel update.

Published Dec 4, 2025

Updated

In the Linux kernel, the following vulnerability has been resolved:

net: qlogic/qede: fix potential out-of-bounds read in qedetpacont() and qedetpaend()

The loops in 'qedetpacont()' and 'qedetpaend()', iterate over 'cqe->lenlist[]' using only a zero-length terminator as the stopping condition. If the terminator was missing or malformed, the loop could run past the end of the fixed-size array.

Add an explicit bound check using ARRAYSIZE() in both loops to prevent a potential out-of-bounds access.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Other sources

In the Linux kernel, the following vulnerability has been resolved:

net: qlogic/qede: fix potential out-of-bounds read in qedetpacont() and qedetpaend()

The loops in 'qedetpacont()' and 'qedetpaend()', iterate over 'cqe-lenlist[]' using only a zero-length terminator as the stopping condition. If the terminator was missing or malformed, the loop could run past the end of the fixed-size array.

Add an explicit bound check using ARRAYSIZE() in both loops to prevent a potential out-of-bounds access.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

— IBM

Affected Software

238 affected componentsFixes available

Linux Kernel

Microsoft azl3 kernel 6.6.112.1-2

Microsoft azl3 kernel 6.6.117.1-1

Patch available

IBM QRadar<=7.5.0 - 7.5.0 UP15 IF02

ubuntu/linux-azure*

ubuntu/linux-aws-hwe*

ubuntu/linux-azure*

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5.15.0-1097.100

ubuntu/linux-realtime*

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ubuntu/linux-riscv<6.17.0-19.19.1

6.17.0-19.19.1

Remediation

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Fixed in 6.8.0-1020.20
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Fixed in 6.17.0-1017.17
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Fixed in 6.8.0-1047.48
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Fixed in 6.17.0-1009.9~24.04.1
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Fixed in 6.8.0-1050.54
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Fixed in 6.17.0-19.19.1~24.04.1
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Fixed in 6.8.0-1028.29
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Fixed in 6.8.0-1017.21
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Fixed in 6.8.0-2040.41
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Fixed in 6.8.1-1045.46
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Fixed in 6.17.0-1008.9~24.04.1
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Fixed in 6.8.0-1050.53+fips1
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Fixed in 6.8.0-1052.58+fips1
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Fixed in 6.8.0-106.106+fips1
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Fixed in 6.8.0-1052.55+fips1
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Fixed in 6.17.0-19.19
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Fixed in 6.17.0-1009.9
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Fixed in 6.17.0-1010.10
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Fixed in 6.17.0-1009.9
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Fixed in 6.17.0-1009.9
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Fixed in 6.17.0-1010.10
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Fixed in 6.17.0-1008.9
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Fixed in 6.17.0-19.19.1

Event History

Dec 4, 2025

CVE Published

via MITRE·04:08 PM

Data Sourced

via MITRE·04:08 PM

DescriptionSeverity

Data Sourced

via OSV·04:16 PM

DescriptionSeverityAffected Software

Data Sourced

via NVD·04:16 PM

DescriptionSeverity

Dec 6, 2025

Data Sourced

via Microsoft·01:02 AM

DescriptionSeverityWeaknessAffected Software

May 25, 2026

Data Sourced

via IBM·12:00 AM

DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

IBM-7273957

Frequently Asked Questions

What is the severity of CVE-2025-40252?

CVE-2025-40252 has been classified with moderate severity due to the potential out-of-bounds read vulnerability.

How do I fix CVE-2025-40252?

To fix CVE-2025-40252, upgrade to the latest version of the Linux kernel where this vulnerability has been resolved.

What systems are affected by CVE-2025-40252?

CVE-2025-40252 affects versions of the Linux kernel that implement the qlogic/qede driver.

What are the potential consequences of CVE-2025-40252?

Exploitation of CVE-2025-40252 may lead to arbitrary memory access, potentially resulting in system instability.

Is there a workaround for CVE-2025-40252?

Currently, there are no known workarounds for CVE-2025-40252 other than applying the kernel update.

CVE-2025-40252: net: qlogic/qede: fix potential out-of-bounds read in qede_tpa_cont() and qede_tpa_end()

Other sources

Affected Software

Remediation

Event History

Parent advisories

Frequently Asked Questions

What is the severity of CVE-2025-40252?

How do I fix CVE-2025-40252?

What systems are affected by CVE-2025-40252?

What are the potential consequences of CVE-2025-40252?

Is there a workaround for CVE-2025-40252?

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