CVE-2024-35813: mmc: core: Avoid negative index with array access

Published May 17, 2024
·
Updated

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

mmc: core: Avoid negative index with array access

Commit 4d0c8d0aef63 ("mmc: core: Use mrq.sbc in close-ended ffu") assigns previdata = idatas[i - 1], but doesn't check that the iterator i is greater than zero. Let's fix this by adding a check.

Affected Software

10 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>=5.4.269<5.4.274
Linux Linux kernel>=5.10.210<5.10.215
Linux Linux kernel>=5.15.149<5.15.154
Linux Linux kernel>=6.1.76<6.1.84
Linux Linux kernel>=6.6.15<6.6.24
Linux Linux kernel>=6.7.3<6.7.12
Linux Linux kernel>=6.8<6.8.3
Linux Linux kernel=6.9-rc1
Debian Debian Linux=10.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1

Event History

May 17, 2024
CVE Published
via MITRE·01:23 PM
Data Sourced
via MITRE·01:23 PM
DescriptionSeverity
Data Sourced
via NVD·02:15 PM
Description
Data Sourced
via NVD·02:15 PM
RemedySeverityAffected Software
Jun 8, 2024
Data Sourced
via Launchpad·01:18 AM
Description
Dec 1, 2024
Data Sourced
via Ubuntu·05:30 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-35813?

CVE-2024-35813 is classified as a moderate severity vulnerability in the Linux kernel.

2

How do I fix CVE-2024-35813?

To fix CVE-2024-35813, you should upgrade to one of the patched Linux kernel versions: 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 components are affected by CVE-2024-35813?

CVE-2024-35813 affects the mmc core component of the Linux kernel.

4

Is CVE-2024-35813 exploitable?

CVE-2024-35813 has the potential for exploitation due to the negative index issue that could lead to unexpected behavior.

5

When was CVE-2024-35813 disclosed?

CVE-2024-35813 was disclosed as part of a series of security updates to the Linux kernel in 2024.

Contact

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