CVE-2022-49279: NFSD: prevent integer overflow on 32 bit systems

Q: What is the severity of CVE-2022-49279?

CVE-2022-49279 has been assessed as having a moderate severity level due to the potential for integer overflow on 32-bit systems.

Q: How do I fix CVE-2022-49279?

To mitigate CVE-2022-49279, update your Linux kernel to a version that is equal to or greater than the fixed versions specified in the CVE details.

Q: Which Linux kernel versions are affected by CVE-2022-49279?

CVE-2022-49279 affects multiple Linux kernel versions between 4.20 and 5.17.2, along with older versions prior to 4.19.238.

Q: What are the risks associated with CVE-2022-49279?

The risks associated with CVE-2022-49279 include potential system crashes or exploitation leading to unauthorized access due to an integer overflow.

Q: Is CVE-2022-49279 specific to certain Linux distributions?

CVE-2022-49279 is specific to the Linux kernel itself and can affect any Linux distribution that uses the vulnerable kernel versions.

Published Feb 26, 2025

Updated

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

NFSD: prevent integer overflow on 32 bit systems

On a 32 bit system, the "len sizeof(p)" operation can have an integer overflow.

Affected Software

131 affected componentsFixes available

Linux Linux kernel

Linux Linux kernel<4.19.238

Linux Linux kernel>=4.20<5.4.189

Linux Linux kernel>=5.5<5.10.110

Linux Linux kernel>=5.11<5.15.33

Linux Linux kernel>=5.16<5.16.19

Linux Linux kernel>=5.17<5.17.2

debian/linux<5.17.3-1

5.17.3-1

debian/linux<5.17.3-1

5.17.3-1

debian/linux<5.17.3-1

5.17.3-1

debian/linux

6.1.176-16.1.190-16.12.107-16.12.115-27.2.12-17.2.15-1

ubuntu/linux-hwe-edge*

ubuntu/linux-aws-5.4<5.4.0-1078.84~18.04.1

5.4.0-1078.84~18.04.1

ubuntu/linux-azure-5.4<5.4.0-1083.87~18.04.1

5.4.0-1083.87~18.04.1

ubuntu/linux-gcp-5.4<5.4.0-1078.84~18.04.1

5.4.0-1078.84~18.04.1

ubuntu/linux-hwe-5.4<5.4.0-117.132~18.04.1

5.4.0-117.132~18.04.1

ubuntu/linux-ibm-5.4<5.4.0-1028.32~18.04.1

5.4.0-1028.32~18.04.1

ubuntu/linux-oracle-5.4<5.4.0-1076.83~18.04.1

5.4.0-1076.83~18.04.1

ubuntu/linux-raspi-5.4<5.4.0-1065.75~18.04.1

5.4.0-1065.75~18.04.1

ubuntu/linux-aws-5.0*

ubuntu/linux-aws-5.3*

ubuntu/linux-azure*

ubuntu/linux-azure-5.3*

ubuntu/linux-azure-edge*

ubuntu/linux-gcp*

ubuntu/linux-gcp-5.3*

ubuntu/linux-gke-4.15*

ubuntu/linux-gke-5.4*

ubuntu/linux-gkeop-5.4*

ubuntu/linux-hwe*

ubuntu/linux-hwe-edge*

ubuntu/linux-oem*

ubuntu/linux-oracle-5.0*

ubuntu/linux-oracle-5.3*

ubuntu/linux<5.4.0-117.132

5.4.0-117.132

ubuntu/linux-aws<5.4.0-1078.84

5.4.0-1078.84

ubuntu/linux-azure<5.4.0-1083.87

5.4.0-1083.87

ubuntu/linux-azure-5.15<5.15.0-1008.9~20.04.1

5.15.0-1008.9~20.04.1

ubuntu/linux-bluefield<5.4.0-1040.44

5.4.0-1040.44

ubuntu/linux-gcp<5.4.0-1078.84

5.4.0-1078.84

ubuntu/linux-hwe-5.15<5.15.0-41.44~20.04.1

5.15.0-41.44~20.04.1

ubuntu/linux-ibm<5.4.0-1026.29

5.4.0-1026.29

ubuntu/linux-intel-iotg-5.15<5.15.0-1008.11~20.04.1

5.15.0-1008.11~20.04.1

ubuntu/linux-iot<5.4.0-1004.6

5.4.0-1004.6

ubuntu/linux-kvm<5.4.0-1068.72

5.4.0-1068.72

ubuntu/linux-lowlatency-hwe-5.15<5.15.0-42.45~20.04.1

5.15.0-42.45~20.04.1

ubuntu/linux-oracle<5.4.0-1076.83

5.4.0-1076.83

ubuntu/linux-raspi<5.4.0-1065.75

5.4.0-1065.75

ubuntu/linux-aws-5.11*

ubuntu/linux-aws-5.13*

ubuntu/linux-aws-5.8*

ubuntu/linux-azure-5.11*

ubuntu/linux-azure-5.13*

ubuntu/linux-azure-5.8*

ubuntu/linux-azure-fde*

ubuntu/linux-gcp-5.11*

ubuntu/linux-gcp-5.13*

ubuntu/linux-gcp-5.8*

ubuntu/linux-gke*

ubuntu/linux-gke-5.15*

ubuntu/linux-gkeop*

ubuntu/linux-gkeop-5.15*

ubuntu/linux-hwe-5.11*

ubuntu/linux-hwe-5.13*

ubuntu/linux-hwe-5.8*

ubuntu/linux-intel-5.13*

ubuntu/linux-oem-5.10*

ubuntu/linux-oem-5.13*

ubuntu/linux-oem-5.6*

ubuntu/linux-oracle-5.11*

ubuntu/linux-oracle-5.13*

ubuntu/linux-oracle-5.8*

ubuntu/linux-raspi2*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.11*

ubuntu/linux-riscv-5.8*

ubuntu/linux-aws-fips<5.4.0-1078.84+fips1

5.4.0-1078.84+fips1

ubuntu/linux-azure-fips<5.4.0-1083.87+fips1

5.4.0-1083.87+fips1

ubuntu/linux-fips<5.4.0-1054.61

5.4.0-1054.61

ubuntu/linux-gcp-fips<5.4.0-1078.84+fips1

5.4.0-1078.84+fips1

ubuntu/linux-aws-fips*

ubuntu/linux-azure-fips*

ubuntu/linux-fips*

ubuntu/linux-gcp-fips*

ubuntu/linux<5.15.0-37.39

5.15.0-37.39

ubuntu/linux-allwinner-5.19*

ubuntu/linux-aws<5.15.0-1011.14

5.15.0-1011.14

ubuntu/linux-aws-5.19*

ubuntu/linux-aws-6.2*

ubuntu/linux-aws-6.5*

ubuntu/linux-azure<5.15.0-1010.12

5.15.0-1010.12

ubuntu/linux-azure-5.19*

ubuntu/linux-azure-6.2*

ubuntu/linux-azure-6.5*

ubuntu/linux-azure-fde-5.19*

ubuntu/linux-azure-fde-6.2*

ubuntu/linux-gcp<5.15.0-1008.12

5.15.0-1008.12

ubuntu/linux-gcp-5.19*

ubuntu/linux-gcp-6.2*

ubuntu/linux-gcp-6.5*

ubuntu/linux-gke<5.15.0-1008.10

5.15.0-1008.10

ubuntu/linux-hwe-5.19*

ubuntu/linux-hwe-6.2*

ubuntu/linux-hwe-6.5*

ubuntu/linux-ibm<5.15.0-1007.8

5.15.0-1007.8

ubuntu/linux-intel-iot-realtime*

ubuntu/linux-intel-iotg<5.15.0-1008.11

5.15.0-1008.11

ubuntu/linux-kvm<5.15.0-1010.11

5.15.0-1010.11

ubuntu/linux-lowlatency<5.15.0-37.39

5.15.0-37.39

ubuntu/linux-lowlatency-hwe-5.19*

ubuntu/linux-lowlatency-hwe-6.2*

ubuntu/linux-lowlatency-hwe-6.5*

ubuntu/linux-nvidia-6.2*

ubuntu/linux-nvidia-6.5*

ubuntu/linux-oem-5.17*

ubuntu/linux-oem-6.0*

ubuntu/linux-oem-6.1*

ubuntu/linux-oem-6.5*

ubuntu/linux-oracle<5.15.0-1009.12

5.15.0-1009.12

ubuntu/linux-oracle-6.5*

ubuntu/linux-raspi<5.15.0-1011.13

5.15.0-1011.13

ubuntu/linux-realtime*

ubuntu/linux-riscv*

ubuntu/linux-riscv-5.19*

ubuntu/linux-riscv-6.5*

ubuntu/linux-starfive-5.19*

ubuntu/linux-starfive-6.2*

ubuntu/linux-starfive-6.5*

ubuntu/linux-realtime<5.15.0-1014.14

5.15.0-1014.14

ubuntu/linux-raspi-realtime*

ubuntu/linux-vmware*

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade debian/linux to a version that resolves this vulnerability.
Fixed in 5.17.3-1
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 7.2.12-1Fixed in 7.2.15-1
Upgrade
Upgrade ubuntu/linux-aws-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84~18.04.1
Upgrade
Upgrade ubuntu/linux-azure-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87~18.04.1
Upgrade
Upgrade ubuntu/linux-gcp-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84~18.04.1
Upgrade
Upgrade ubuntu/linux-hwe-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-117.132~18.04.1
Upgrade
Upgrade ubuntu/linux-ibm-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1028.32~18.04.1
Upgrade
Upgrade ubuntu/linux-oracle-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1076.83~18.04.1
Upgrade
Upgrade ubuntu/linux-raspi-5.4 to a version that resolves this vulnerability.
Fixed in 5.4.0-1065.75~18.04.1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.4.0-117.132
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87
Upgrade
Upgrade ubuntu/linux-azure-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.9~20.04.1
Upgrade
Upgrade ubuntu/linux-bluefield to a version that resolves this vulnerability.
Fixed in 5.4.0-1040.44
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84
Upgrade
Upgrade ubuntu/linux-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-41.44~20.04.1
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.4.0-1026.29
Upgrade
Upgrade ubuntu/linux-intel-iotg-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.11~20.04.1
Upgrade
Upgrade ubuntu/linux-iot to a version that resolves this vulnerability.
Fixed in 5.4.0-1004.6
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.4.0-1068.72
Upgrade
Upgrade ubuntu/linux-lowlatency-hwe-5.15 to a version that resolves this vulnerability.
Fixed in 5.15.0-42.45~20.04.1
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.4.0-1076.83
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.4.0-1065.75
Upgrade
Upgrade ubuntu/linux-aws-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84+fips1
Upgrade
Upgrade ubuntu/linux-azure-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1083.87+fips1
Upgrade
Upgrade ubuntu/linux-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1054.61
Upgrade
Upgrade ubuntu/linux-gcp-fips to a version that resolves this vulnerability.
Fixed in 5.4.0-1078.84+fips1
Upgrade
Upgrade ubuntu/linux to a version that resolves this vulnerability.
Fixed in 5.15.0-37.39
Upgrade
Upgrade ubuntu/linux-aws to a version that resolves this vulnerability.
Fixed in 5.15.0-1011.14
Upgrade
Upgrade ubuntu/linux-azure to a version that resolves this vulnerability.
Fixed in 5.15.0-1010.12
Upgrade
Upgrade ubuntu/linux-gcp to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.12
Upgrade
Upgrade ubuntu/linux-gke to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.10
Upgrade
Upgrade ubuntu/linux-ibm to a version that resolves this vulnerability.
Fixed in 5.15.0-1007.8
Upgrade
Upgrade ubuntu/linux-intel-iotg to a version that resolves this vulnerability.
Fixed in 5.15.0-1008.11
Upgrade
Upgrade ubuntu/linux-kvm to a version that resolves this vulnerability.
Fixed in 5.15.0-1010.11
Upgrade
Upgrade ubuntu/linux-lowlatency to a version that resolves this vulnerability.
Fixed in 5.15.0-37.39
Upgrade
Upgrade ubuntu/linux-oracle to a version that resolves this vulnerability.
Fixed in 5.15.0-1009.12
Upgrade
Upgrade ubuntu/linux-raspi to a version that resolves this vulnerability.
Fixed in 5.15.0-1011.13
Upgrade
Upgrade ubuntu/linux-realtime to a version that resolves this vulnerability.
Fixed in 5.15.0-1014.14

Event History

Feb 26, 2025

CVE Published

via MITRE·01:56 AM

Data Sourced

via MITRE·01:56 AM

DescriptionSeverity

Data Sourced

via OSV·07:01 AM

DescriptionSeverityAffected Software

Data Sourced

via NVD·07:01 AM

RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What is the severity of CVE-2022-49279?

CVE-2022-49279 has been assessed as having a moderate severity level due to the potential for integer overflow on 32-bit systems.

How do I fix CVE-2022-49279?

To mitigate CVE-2022-49279, update your Linux kernel to a version that is equal to or greater than the fixed versions specified in the CVE details.

Which Linux kernel versions are affected by CVE-2022-49279?

CVE-2022-49279 affects multiple Linux kernel versions between 4.20 and 5.17.2, along with older versions prior to 4.19.238.

What are the risks associated with CVE-2022-49279?

The risks associated with CVE-2022-49279 include potential system crashes or exploitation leading to unauthorized access due to an integer overflow.

Is CVE-2022-49279 specific to certain Linux distributions?

CVE-2022-49279 is specific to the Linux kernel itself and can affect any Linux distribution that uses the vulnerable kernel versions.

CVE-2022-49279: NFSD: prevent integer overflow on 32 bit systems

Affected Software

Remediation

Event History

Frequently Asked Questions

What is the severity of CVE-2022-49279?

How do I fix CVE-2022-49279?

Which Linux kernel versions are affected by CVE-2022-49279?

What are the risks associated with CVE-2022-49279?

Is CVE-2022-49279 specific to certain Linux distributions?

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