Is CVE-2024-49568 in the CISA KEV catalog?

No. CVE-2024-49568 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2024-49568?

CVE-2024-49568 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2024-49568?

CVE-2024-49568 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-49568?

Upgrade linux on debian 13 to 6.12.8-1 or later. Fixes are available for 112 affected products.

CVE & CISA-KEV Catalog

CVE-2024-49568

MEDIUM

5.5

CVSS v3

NVD

Description

In the Linux kernel, the following vulnerability has been resolved: net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg When receiving proposal msg in server, the fields v2_ext_offset/ eid_cnt/ism_gid_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field v2_ext_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt before using them.

How to fix

Remediation Available

linuxDebian

Fixed in:6.12.8-1CVE-2024-49568

linuxUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-awsUbuntu

Fixed in:6.8.0-1029.31USN-7513-1

linux-aws-6.8Ubuntu

Fixed in:6.8.0-1029.31~22.04.1USN-7513-1

linux-azureUbuntu

Fixed in:6.8.0-1029.34USN-7513-3

linux-azure-6.8Ubuntu

Fixed in:6.8.0-1029.34~22.04.1USN-7513-3

linux-azure-nvidiaUbuntu

Fixed in:6.8.0-1016.17USN-7522-1

linux-gcpUbuntu

Fixed in:6.8.0-1030.32USN-7515-2

linux-gcp-6.8Ubuntu

Fixed in:6.8.0-1030.32~22.04.1USN-7515-2

linux-gkeUbuntu

Fixed in:6.8.0-1025.29USN-7515-1

linux-gkeopUbuntu

Fixed in:6.8.0-1012.14USN-7515-2

linux-hwe-6.11Ubuntu

Fixed in:6.11.0-21.21~24.04.1USN-7379-1

linux-hwe-6.8Ubuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-ibmUbuntu

Fixed in:6.8.0-1026.26USN-7513-1

linux-image-6.11.0-1011-lowlatencyUbuntu

Fixed in:6.11.0-1011.12~24.04.1USN-7381-1

linux-image-6.11.0-1011-lowlatency-64kUbuntu

Fixed in:6.11.0-1011.12~24.04.1USN-7381-1

linux-image-6.11.0-1017-oemUbuntu

Fixed in:6.11.0-1017.17USN-7382-1

linux-image-6.11.0-21-genericUbuntu

Fixed in:6.11.0-21.21~24.04.1+1USN-7379-1

linux-image-6.11.0-21-generic-64kUbuntu

Fixed in:6.11.0-21.21~24.04.1+1USN-7379-1

linux-image-6.8.0-1012-gkeopUbuntu

Fixed in:6.8.0-1012.14USN-7515-2

linux-image-6.8.0-1016-azure-nvidiaUbuntu

Fixed in:6.8.0-1016.17USN-7522-1

linux-image-6.8.0-1025-gkeUbuntu

Fixed in:6.8.0-1025.29USN-7515-1

linux-image-6.8.0-1026-ibmUbuntu

Fixed in:6.8.0-1026.26USN-7513-1

linux-image-6.8.0-1026-oracleUbuntu

Fixed in:6.8.0-1026.27~22.04.1USN-7513-5

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-6.8.0-1026-oracle-64kUbuntu

Fixed in:6.8.0-1026.27~22.04.1USN-7513-5

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-6.8.0-1028-nvidiaUbuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

Fixed in:6.8.0-1028.31USN-7514-1

linux-image-6.8.0-1028-nvidia-64kUbuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

Fixed in:6.8.0-1028.31USN-7514-1

linux-image-6.8.0-1028-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1028.31.1USN-7514-1

linux-image-6.8.0-1028-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1028.31.1USN-7514-1

linux-image-6.8.0-1028-oemUbuntu

Fixed in:6.8.0-1028.28USN-7513-3

linux-image-6.8.0-1028-raspiUbuntu

Fixed in:6.8.0-1028.32USN-7524-1

linux-image-6.8.0-1029-awsUbuntu

Fixed in:6.8.0-1029.31~22.04.1USN-7513-1

Fixed in:6.8.0-1029.31USN-7513-1

linux-image-6.8.0-1029-azureUbuntu

Fixed in:6.8.0-1029.34~22.04.1USN-7513-3

Fixed in:6.8.0-1029.34USN-7513-3

linux-image-6.8.0-1029-azure-fdeUbuntu

Fixed in:6.8.0-1029.34~22.04.1USN-7513-3

Fixed in:6.8.0-1029.34USN-7513-3

linux-image-6.8.0-1030-gcpUbuntu

Fixed in:6.8.0-1030.32~22.04.1USN-7515-2

Fixed in:6.8.0-1030.32USN-7515-2

linux-image-6.8.0-1030-gcp-64kUbuntu

Fixed in:6.8.0-1030.32~22.04.1USN-7515-2

Fixed in:6.8.0-1030.32USN-7515-2

linux-image-6.8.0-2023-raspi-realtimeUbuntu

Fixed in:6.8.0-2023.24USN-7523-1

linux-image-6.8.0-60-genericUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

Fixed in:6.8.0-60.63USN-7513-1

linux-image-6.8.0-60-generic-64kUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

Fixed in:6.8.0-60.63USN-7513-1

linux-image-6.8.0-60-lowlatencyUbuntu

Fixed in:6.8.0-60.63.1~22.04.1USN-7513-1

Fixed in:6.8.0-60.63.1USN-7513-1

linux-image-6.8.0-60-lowlatency-64kUbuntu

Fixed in:6.8.0-60.63.1~22.04.1USN-7513-1

Fixed in:6.8.0-60.63.1USN-7513-1

linux-image-6.8.1-1022-realtimeUbuntu

Fixed in:6.8.1-1022.23USN-7513-2

linux-image-awsUbuntu

Fixed in:6.8.0-1029.31~22.04.1USN-7513-1

Fixed in:6.8.0-1029.31USN-7513-1

linux-image-aws-lts-24.04Ubuntu

Fixed in:6.8.0-1029.31USN-7513-1

linux-image-azureUbuntu

Fixed in:6.8.0-1029.34~22.04.1USN-7513-3

linux-image-azure-fdeUbuntu

Fixed in:6.8.0-1029.34~22.04.1USN-7513-3

linux-image-azure-fde-lts-24.04Ubuntu

Fixed in:6.8.0-1029.34USN-7513-3

linux-image-azure-lts-24.04Ubuntu

Fixed in:6.8.0-1029.34USN-7513-3

linux-image-azure-nvidiaUbuntu

Fixed in:6.8.0-1016.17USN-7522-1

linux-image-gcpUbuntu

Fixed in:6.8.0-1030.32~22.04.1USN-7515-2

linux-image-gcp-64kUbuntu

Fixed in:6.8.0-1030.32~22.04.1USN-7515-2

linux-image-gcp-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1030.32USN-7515-2

linux-image-gcp-lts-24.04Ubuntu

Fixed in:6.8.0-1030.32USN-7515-2

linux-image-genericUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-image-generic-64kUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-image-generic-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-generic-64k-hwe-24.04Ubuntu

Fixed in:6.11.0-21.21~24.04.1USN-7379-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-generic-hwe-24.04Ubuntu

Fixed in:6.11.0-21.21~24.04.1USN-7379-1

linux-image-generic-lpaeUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-image-gkeUbuntu

Fixed in:6.8.0-1025.29USN-7515-1

linux-image-gkeopUbuntu

Fixed in:6.8.0-1012.14USN-7515-2

linux-image-gkeop-6.8Ubuntu

Fixed in:6.8.0-1012.14USN-7515-2

linux-image-ibmUbuntu

Fixed in:6.8.0-1026.26USN-7513-1

linux-image-ibm-classicUbuntu

Fixed in:6.8.0-1026.26USN-7513-1

linux-image-ibm-lts-24.04Ubuntu

Fixed in:6.8.0-1026.26USN-7513-1

linux-image-kvmUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-image-lowlatencyUbuntu

Fixed in:6.8.0-60.63.1USN-7513-1

linux-image-lowlatency-64kUbuntu

Fixed in:6.8.0-60.63.1USN-7513-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-60.63.1~22.04.1USN-7513-1

linux-image-lowlatency-64k-hwe-24.04Ubuntu

Fixed in:6.11.0-1011.12~24.04.1USN-7381-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:6.8.0-60.63.1~22.04.1USN-7513-1

linux-image-lowlatency-hwe-24.04Ubuntu

Fixed in:6.11.0-1011.12~24.04.1USN-7381-1

linux-image-nvidiaUbuntu

Fixed in:6.8.0-1028.31USN-7514-1

linux-image-nvidia-6.8Ubuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

linux-image-nvidia-64kUbuntu

Fixed in:6.8.0-1028.31USN-7514-1

linux-image-nvidia-64k-6.8Ubuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

linux-image-nvidia-64k-hwe-22.04Ubuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

linux-image-nvidia-hwe-22.04Ubuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

linux-image-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1028.31.1USN-7514-1

linux-image-nvidia-lowlatency-64kUbuntu

Fixed in:6.8.0-1028.31.1USN-7514-1

linux-image-oem-22.04Ubuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-oem-22.04aUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-oem-22.04bUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-oem-22.04cUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-oem-22.04dUbuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-oem-24.04Ubuntu

Fixed in:6.8.0-1028.28USN-7513-3

linux-image-oem-24.04aUbuntu

Fixed in:6.8.0-1028.28USN-7513-3

linux-image-oem-24.04bUbuntu

Fixed in:6.11.0-1017.17USN-7382-1

linux-image-oracleUbuntu

Fixed in:6.8.0-1026.27~22.04.1USN-7513-5

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-oracle-64kUbuntu

Fixed in:6.8.0-1026.27~22.04.1USN-7513-5

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-oracle-64k-lts-24.04Ubuntu

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-oracle-lts-24.04Ubuntu

Fixed in:6.8.0-1026.27USN-7513-1

linux-image-raspiUbuntu

Fixed in:6.8.0-1028.32USN-7524-1

linux-image-raspi-realtimeUbuntu

Fixed in:6.8.0-2023.24USN-7523-1

linux-image-realtimeUbuntu

Fixed in:6.8.1-1022.23USN-7513-2

linux-image-virtualUbuntu

Fixed in:6.8.0-60.63USN-7513-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:6.8.0-60.63~22.04.1USN-7513-4

linux-image-virtual-hwe-24.04Ubuntu

Fixed in:6.11.0-21.21~24.04.1USN-7379-1

linux-lowlatencyUbuntu

Fixed in:6.8.0-60.63.1USN-7513-1

linux-lowlatency-hwe-6.11Ubuntu

Fixed in:6.11.0-1011.12~24.04.1USN-7381-1

linux-lowlatency-hwe-6.8Ubuntu

Fixed in:6.8.0-60.63.1~22.04.1USN-7513-1

linux-nvidiaUbuntu

Fixed in:6.8.0-1028.31USN-7514-1

linux-nvidia-6.8Ubuntu

Fixed in:6.8.0-1028.31~22.04.1USN-7514-1

linux-nvidia-lowlatencyUbuntu

Fixed in:6.8.0-1028.31.1USN-7514-1

linux-oem-6.11Ubuntu

Fixed in:6.11.0-1017.17USN-7382-1

linux-oem-6.8Ubuntu

Fixed in:6.8.0-1028.28USN-7513-3

linux-oracleUbuntu

Fixed in:6.8.0-1026.27USN-7513-1

linux-oracle-6.8Ubuntu

Fixed in:6.8.0-1026.27~22.04.1USN-7513-5

linux-raspiUbuntu

Fixed in:6.8.0-1028.32USN-7524-1

linux-raspi-realtimeUbuntu

Fixed in:6.8.0-2023.24USN-7523-1

linux-realtimeUbuntu

Fixed in:6.8.1-1022.23USN-7513-2

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Patch3

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-15.