CVE-2026-43494: net/rds: reset op_nents when zerocopy page pin fails

Published May 21, 2026
·
Updated

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

Other sources

net/rds: reset opnents when zerocopy page pin fails

Microsoft

Affected Software

14 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Linux Linux kernel>=4.17<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
Linux Linux kernel=7.1-rc1
Linux Linux kernel=7.1-rc2
Linux Linux kernel=7.1-rc3
debian/linux<=5.10.223-1
5.10.259-16.1.176-16.1.177-16.12.94-16.12.96-17.1.3-17.1.5-1
debian/linux-6.1
6.1.177-1~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 6.6.141.1-1
  2. Upgrade

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

    Fixed in 5.10.259-1Fixed in 6.1.176-1Fixed in 6.1.177-1Fixed in 6.12.94-1Fixed in 6.12.96-1Fixed in 7.1.3-1Fixed in 7.1.5-1
  3. Upgrade

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

    Fixed in 6.1.177-1~deb11u1

Event History

May 21, 2026
CVE Published
via MITRE·10:49 AM
Data Sourced
via MITRE·10:49 AM
DescriptionSeverity
Data Sourced
via Red Hat·12:01 PM
DescriptionSeverityAffected Software
Data Sourced
via NVD·12:16 PM
RemedyDescriptionSeverityWeaknessAffected Software
May 22, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity
Jun 12, 2026
Data Sourced
via Launchpad·10:19 PM
Description
Jul 28, 2026
Data Sourced
via Ubuntu·07:05 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·07:06 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-43494?

The severity of CVE-2026-43494 is rated as 28.

2

How do I fix CVE-2026-43494?

To fix CVE-2026-43494, update your Linux kernel to the latest version that includes the patch addressing this issue.

3

What systems are affected by CVE-2026-43494?

CVE-2026-43494 affects the Linux kernel, specifically systems running versions vulnerable to this vulnerability.

4

Can CVE-2026-43494 allow for remote code execution?

CVE-2026-43494 does not directly lead to remote code execution but may affect system stability and security.

5

Is there a known exploit for CVE-2026-43494?

As of now, there are no publicly known exploits for CVE-2026-43494.

Contact

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