CVE-2024-35988: riscv: Fix TASK_SIZE on 64-bit NOMMU

Published May 20, 2024
·
Updated

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

riscv: Fix TASKSIZE on 64-bit NOMMU

On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASKSIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access routines.

Affected Software

12 affected componentsFixes available
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Linux Linux kernel>=5.5<5.10.216
Linux Linux kernel>=5.11<5.15.158
Linux Linux kernel>=5.16<6.1.90
Linux Linux kernel>=6.2<6.6.30
Linux Linux kernel>=6.7<6.8.9
Linux Linux kernel=6.9-rc1
Linux Linux kernel=6.9-rc2
Linux Linux kernel=6.9-rc3
Linux Linux kernel=6.9-rc4
Linux Linux kernel=6.9-rc5
Debian Debian Linux=10.0

Event History

May 20, 2024
CVE Published
via MITRE·09:47 AM
Data Sourced
via MITRE·09:47 AM
Description
Data Sourced
via NVD·10:15 AM
Description
Data Sourced
via NVD·10:15 AM
RemedySeverityAffected Software
Jul 15, 2024
Data Sourced
via Launchpad·05:02 PM
Description
Apr 27, 2025
Data Sourced
via Ubuntu·12:25 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-35988?

CVE-2024-35988 is classified as a moderate severity vulnerability.

2

How do I fix CVE-2024-35988?

To fix CVE-2024-35988, you should upgrade to the patched versions of the Linux kernel: 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.10-1, or 6.12.11-1.

3

What systems are affected by CVE-2024-35988?

CVE-2024-35988 affects the Linux kernel versions prior to the aforementioned patched releases.

4

What type of vulnerability is CVE-2024-35988?

CVE-2024-35988 is a vulnerability in the Linux kernel related to memory addressing on 64-bit NOMMU systems.

5

Can CVE-2024-35988 lead to information disclosure?

Yes, CVE-2024-35988 can potentially lead to unexpected behavior and spurious failures in user processes, which may result in information disclosure.

Contact

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