CVE-2024-45020: bpf: Fix a kernel verifier crash in stacksafe()

Published Sep 11, 2024
·
Updated

bpf: Fix a kernel verifier crash in stacksafe()

Affected Software

8 affected componentsFixes available
Linux Linux kernel>=6.6.15<6.6.48
Linux Linux kernel>=6.7<6.10.7
Linux Linux kernel=6.11-rc1
Linux Linux kernel=6.11-rc2
Linux Linux kernel=6.11-rc3
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Microsoft azl3 kernel 6.6.47.1-1
Microsoft azl3 kernel 6.6.51.1-1

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
  2. Upgrade

    Upgrade Linux kernel to a version that resolves this vulnerability.

    Patch bpf: Fix a kernel verifier crash in stacksafe()

Event History

Sep 11, 2024
CVE Published
via MITRE·03:13 PM
Data Sourced
via MITRE·03:13 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·04:21 PM
DescriptionSeverityAffected Software
Oct 15, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
Jan 9, 2025
Data Sourced
via Ubuntu·06:31 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-45020?

CVE-2024-45020 has been classified as a moderate severity vulnerability due to its potential to cause a kernel verifier crash.

2

How do I fix CVE-2024-45020?

To fix CVE-2024-45020, update the Linux kernel to a version that is not affected by this vulnerability, such as versions 5.10.223-1, 5.10.226-1, or 6.12.11-1.

3

Which versions of the Linux Kernel are affected by CVE-2024-45020?

CVE-2024-45020 affects Linux Kernel versions between 6.6.15 and 6.6.48, as well as versions between 6.7 and 6.10.7.

4

Who reported CVE-2024-45020?

CVE-2024-45020 was reported by Daniel Hodges following a kernel verifier crash.

5

What components are involved in the CVE-2024-45020 vulnerability?

The vulnerability involves a kernel verifier crash related to invalid memory access in the stacksafe() function.

Contact

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