CVE-2026-53002: netfilter: conntrack: remove sprintf usage

Published Jun 24, 2026
·
Updated

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

Other sources

netfilter: conntrack: remove sprintf usage

Microsoft

Affected Software

15 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.139.1-1<6.6.143.1-1
6.6.143.1-1
Linux Linux kernel>=2.6.20<5.10.258
Linux Linux kernel>=5.11<5.15.209
Linux Linux kernel>=5.16<6.1.175
Linux Linux kernel>=6.2<6.6.141
Linux Linux kernel>=6.7<6.12.91
Linux Linux kernel>=6.13<6.18.33
Linux Linux kernel>=6.19<7.0.10
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0
redhat Enterprise Linux=10.0
debian/linux<=5.10.223-1
5.10.262-16.1.176-16.1.180-16.12.94-16.12.101-17.1.8-17.1.8-2
debian/linux-6.1
6.1.180-1~deb11u1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.143.1-1
  2. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.262-1Fixed in 6.1.176-1Fixed in 6.1.180-1Fixed in 6.12.94-1Fixed in 6.12.101-1Fixed in 7.1.8-1Fixed in 7.1.8-2
  3. Upgrade

    Upgrade debian/linux-6.1 to a version that resolves this vulnerability.

    Fixed in 6.1.180-1~deb11u1

Event History

Jun 24, 2026
CVE Published
via MITRE·04:29 PM
Data Sourced
via MITRE·04:29 PM
DescriptionSeverity
Data Sourced
via NVD·05:17 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·06:06 PM
DescriptionSeverityAffected Software
Jun 27, 2026
Data Sourced
via Microsoft·08:15 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:15 AM
Affected Software
Updated
via Microsoft·08:15 AM
DescriptionSeverity
Aug 13, 2026
Data Sourced
via Launchpad·08:41 PM
Description
Aug 14, 2026
Data Sourced
via Ubuntu·08:41 PM
RemedyDescriptionSeverityAffected Software
Aug 16, 2026
Data Sourced
via Debian·08:44 PM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-53002?

CVE-2026-53002 has a severity rating of critical with a score of 9.8.

2

What impact does CVE-2026-53002 have on affected systems?

CVE-2026-53002 can lead to potential information leaks or system crashes due to improper buffer handling.

3

How can I mitigate CVE-2026-53002?

Mitigation for CVE-2026-53002 involves updating to the patched version of the Linux kernel that resolves this vulnerability.

4

Is CVE-2026-53002 a remote exploit?

Yes, CVE-2026-53002 can be exploited remotely as it involves the netfilter component of the kernel.

5

What versions of the Linux kernel are affected by CVE-2026-53002?

CVE-2026-53002 affects specific versions of the Linux kernel prior to the fix implemented in the referenced commits.

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