CVE-2024-36978: net: sched: sch_multiq: fix possible OOB write in multiq_tune()

Published Jun 19, 2024
·
Updated

In multiqtune of schmultiq.c, there is a possible out of bounds write due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Other sources

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

net: sched: schmultiq: fix possible OOB write in multiqtune()

q->bands will be assigned to qopt->bands to execute subsequent code logic after kmalloc. So the old q->bands should not be used in kmalloc. Otherwise, an out-of-bounds write will occur.

— NVD

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

net: sched: schmultiq: fix possible OOB write in multiqtune()

The Linux kernel CVE team has assigned CVE-2024-36978 to this issue.

Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024061926-CVE-2024-36978-b4b8@gregkh/T

— Red Hat

Linux Kernel is vulnerable to a denial of service, caused by an out--of-bounds write in multiqtune(). A local authenticated attacker could exploit this vulnerability to cause a denial of service.

— IBM

Affected Software

25 affected componentsFixes available
redhat/kernel<6.10
6.10
IBM Security Verify Governance<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Software Stack<=ISVG 10.0.2
IBM Security Verify Governance, Identity Manager Virtual Appliance<=ISVG 10.0.2
IBM Security Verify Governance Identity Manager Container<=ISVG 10.0.2
Google Android
Linux Linux kernel>=5.4<5.4.279
Linux Linux kernel>=5.5<5.10.221
Linux Linux kernel>=5.11<5.15.162
Linux Linux kernel>=5.16<6.1.95
Linux Linux kernel>=6.2<6.6.35
Linux Linux kernel>=6.7<6.9.6
Linux Linux kernel=6.10-rc1
Linux Linux kernel=6.10-rc2
debian/linux<6.1.99-1
6.1.99-1
debian/linux<6.9.7-1
6.9.7-1
debian/linux<6.9.7-1
6.9.7-1
linux/kernel>=5.4.0<5.4.279
5.4.279
linux/kernel>=5.5.0<5.10.221
5.10.221
linux/kernel>=5.11.0<5.15.162
5.15.162
linux/kernel>=5.16.0<6.1.95
6.1.95
linux/kernel>=6.2.0<6.6.35
6.6.35
linux/kernel>=6.7.0<6.9.6
6.9.6
android/:linux_kernel:>=:0<:2024-11-05
:2024-11-05
debian/linux
6.1.176-16.1.190-16.12.107-16.12.115-27.2.15-17.3.3-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/kernel to a version that resolves this vulnerability.

    Fixed in 6.10
  2. Upgrade

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

    Fixed in 6.1.99-1
  3. Upgrade

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

    Fixed in 6.9.7-1
  4. Upgrade

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

    Fixed in 5.4.279
  5. Upgrade

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

    Fixed in 5.10.221
  6. Upgrade

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

    Fixed in 5.15.162
  7. Upgrade

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

    Fixed in 6.1.95
  8. Upgrade

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

    Fixed in 6.6.35
  9. Upgrade

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

    Fixed in 6.9.6
  10. Upgrade

    Upgrade android/:linux_kernel: to a version that resolves this vulnerability.

    Fixed in :2024-11-05
  11. Upgrade

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

    Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.115-2Fixed in 7.2.15-1Fixed in 7.3.3-1

Event History

Jun 19, 2024
CVE Published
via MITRE·06:20 AM
Data Sourced
via MITRE·06:20 AM
DescriptionSeverity
Data Sourced
via OSV·06:20 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·07:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Nov 1, 2024
Advisory Published
via OSV·12:00 AM
Nov 4, 2024
Data Sourced
via Android·12:00 AM
SeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2024-36978?

CVE-2024-36978 has been assigned a severity level that indicates it can potentially lead to an out-of-bounds write in the Linux kernel.

2

How do I fix CVE-2024-36978?

To fix CVE-2024-36978, update the Linux kernel to a version that includes the patch addressing this vulnerability.

3

Which versions of the Linux kernel are affected by CVE-2024-36978?

CVE-2024-36978 affects multiple versions of the Linux kernel, particularly those prior to version 6.10.

4

Is CVE-2024-36978 present in Google Android?

Yes, CVE-2024-36978 may affect certain versions of Google Android that rely on vulnerable Linux kernel versions.

5

What is the nature of CVE-2024-36978?

CVE-2024-36978 is a vulnerability in the network scheduler of the Linux kernel that can lead to a potential out-of-bounds write.

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