CVE-2024-26885: bpf: Fix DEVMAP_HASH overflow check on 32-bit arches

Published Apr 17, 2024
·
Updated

bpf: Fix DEVMAPHASH overflow check on 32-bit arches

Affected Software

9 affected componentsFixes available
Linux Linux kernel>=5.4<5.10.214
Linux Linux kernel>=5.11<5.15.153
Linux Linux kernel>=5.16<6.1.83
Linux Linux kernel>=6.2<6.6.23
Linux Linux kernel>=6.7<6.7.11
Linux Linux kernel>=6.8<6.8.2
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Microsoft azl3 kernel 6.6.22.1-2
Microsoft azl3 kernel 6.6.29.1-3

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 (bpf) devmap DEVMAP_HASH to a version that resolves this vulnerability.

    Patch bpf: Fix DEVMAP_HASH overflow check on 32-bit arches

Event History

Apr 17, 2024
CVE Published
via MITRE·10:27 AM
Data Sourced
via MITRE·10:27 AM
DescriptionSeverity
Data Sourced
via NVD·11:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Jun 8, 2024
Data Sourced
via Launchpad·01:08 AM
Description
Jun 30, 2024
Data Sourced
via Microsoft·02:00 PM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·02:00 PM
Affected Software
Updated
via Microsoft·02:00 PM
DescriptionSeverity
Apr 28, 2025
Data Sourced
via Ubuntu·02:21 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-26885?

CVE-2024-26885 is considered a high severity vulnerability in the Linux kernel.

2

How do I fix CVE-2024-26885?

To fix CVE-2024-26885, update your Linux kernel to a version that contains the patch, such as 5.10.223-1 or 6.1.123-1.

3

Which Linux kernel versions are affected by CVE-2024-26885?

CVE-2024-26885 affects Linux kernel versions between 5.4 and 6.8.2.

4

What component of the Linux kernel is affected by CVE-2024-26885?

CVE-2024-26885 affects the BPF (Berkeley Packet Filter) component within the Linux kernel.

5

Is CVE-2024-26885 exploitable remotely?

Yes, CVE-2024-26885 could potentially be exploited remotely, allowing an attacker to manipulate the BPF hash buckets.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203