CWE
476
Advisory Published
Updated

CVE-2021-44879: Null Pointer Dereference

First published: Mon Feb 14 2022(Updated: )

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<5.16.3
ubuntu/linux<5.4.0-173.191
5.4.0-173.191
ubuntu/linux<5.13.0-40.45
5.13.0-40.45
ubuntu/linux<5.17~
5.17~
ubuntu/linux-aws<5.4.0-1120.130
5.4.0-1120.130
ubuntu/linux-aws<5.13.0-1022.24
5.13.0-1022.24
ubuntu/linux-aws<5.17~
5.17~
ubuntu/linux-aws-5.0<5.17~
5.17~
ubuntu/linux-aws-5.11<5.17~
5.17~
ubuntu/linux-aws-5.13<5.13.0-1022.24~20.04.1
5.13.0-1022.24~20.04.1
ubuntu/linux-aws-5.13<5.17~
5.17~
ubuntu/linux-aws-5.15<5.17~
5.17~
ubuntu/linux-aws-5.3<5.17~
5.17~
ubuntu/linux-aws-5.4<5.4.0-1120.130~18.04.1
5.4.0-1120.130~18.04.1
ubuntu/linux-aws-5.4<5.17~
5.17~
ubuntu/linux-aws-5.8<5.17~
5.17~
ubuntu/linux-aws-6.5<5.17~
5.17~
ubuntu/linux-aws-hwe<5.17~
5.17~
ubuntu/linux-azure<5.4.0-1126.133
5.4.0-1126.133
ubuntu/linux-azure<5.13.0-1022.26
5.13.0-1022.26
ubuntu/linux-azure<5.17~
5.17~
ubuntu/linux-azure-4.15<5.17~
5.17~
ubuntu/linux-azure-5.11<5.17~
5.17~
ubuntu/linux-azure-5.13<5.13.0-1022.26~20.04.1
5.13.0-1022.26~20.04.1
ubuntu/linux-azure-5.13<5.17~
5.17~
ubuntu/linux-azure-5.15<5.17~
5.17~
ubuntu/linux-azure-5.3<5.17~
5.17~
ubuntu/linux-azure-5.4<5.4.0-1126.133~18.04.1
5.4.0-1126.133~18.04.1
ubuntu/linux-azure-5.4<5.17~
5.17~
ubuntu/linux-azure-6.5<5.17~
5.17~
ubuntu/linux-azure-edge<5.17~
5.17~
ubuntu/linux-azure-fde<5.17~
5.17~
ubuntu/linux-azure-fde-5.15<5.17~
5.17~
ubuntu/linux-bluefield<5.4.0-1080.87
5.4.0-1080.87
ubuntu/linux-bluefield<5.17~
5.17~
ubuntu/linux-dell300x<5.17~
5.17~
ubuntu/linux-fips<5.17~
5.17~
ubuntu/linux-gcp<5.4.0-1124.133
5.4.0-1124.133
ubuntu/linux-gcp<5.13.0-1024.29
5.13.0-1024.29
ubuntu/linux-gcp<5.17~
5.17~
ubuntu/linux-gcp-4.15<5.17~
5.17~
ubuntu/linux-gcp-5.11<5.17~
5.17~
ubuntu/linux-gcp-5.13<5.13.0-1024.29~20.04.1
5.13.0-1024.29~20.04.1
ubuntu/linux-gcp-5.13<5.17~
5.17~
ubuntu/linux-gcp-5.15<5.17~
5.17~
ubuntu/linux-gcp-5.3<5.17~
5.17~
ubuntu/linux-gcp-5.4<5.4.0-1124.133~18.04.1
5.4.0-1124.133~18.04.1
ubuntu/linux-gcp-5.8<5.17~
5.17~
ubuntu/linux-gcp-6.5<5.17~
5.17~
ubuntu/linux-gke<5.17~
5.17~
ubuntu/linux-gke-4.15<5.17~
5.17~
ubuntu/linux-gke-5.0<5.17~
5.17~
ubuntu/linux-gke-5.3<5.17~
5.17~
ubuntu/linux-gke-5.4<5.17~
5.17~
ubuntu/linux-gkeop<5.4.0-1087.91
5.4.0-1087.91
ubuntu/linux-gkeop<5.17~
5.17~
ubuntu/linux-gkeop-5.15<5.17~
5.17~
ubuntu/linux-gkeop-5.4<5.17~
5.17~
ubuntu/linux-hwe<5.17~
5.17~
ubuntu/linux-hwe-5.11<5.17~
5.17~
ubuntu/linux-hwe-5.13<5.13.0-40.45~20.04.1
5.13.0-40.45~20.04.1
ubuntu/linux-hwe-5.13<5.17~
5.17~
ubuntu/linux-hwe-5.15<5.17~
5.17~
ubuntu/linux-hwe-5.4<5.4.0-173.191~18.04.1
5.4.0-173.191~18.04.1
ubuntu/linux-hwe-5.4<5.17~
5.17~
ubuntu/linux-hwe-5.8<5.17~
5.17~
ubuntu/linux-hwe-6.5<5.17~
5.17~
ubuntu/linux-hwe-edge<5.17~
5.17~
ubuntu/linux-ibm<5.4.0-1067.72
5.4.0-1067.72
ubuntu/linux-ibm<5.17~
5.17~
ubuntu/linux-ibm-5.15<5.17~
5.17~
ubuntu/linux-ibm-5.4<5.4.0-1067.72~18.04.1
5.4.0-1067.72~18.04.1
ubuntu/linux-ibm-5.4<5.17~
5.17~
ubuntu/linux-intel-5.13<5.13.0-1011.11
5.13.0-1011.11
ubuntu/linux-intel-5.13<5.17~
5.17~
ubuntu/linux-intel-iotg<5.17~
5.17~
ubuntu/linux-intel-iotg-5.15<5.17~
5.17~
ubuntu/linux-iot<5.4.0-1032.33
5.4.0-1032.33
ubuntu/linux-iot<5.17~
5.17~
ubuntu/linux-kvm<5.4.0-1108.115
5.4.0-1108.115
ubuntu/linux-kvm<5.13.0-1021.22
5.13.0-1021.22
ubuntu/linux-kvm<5.17~
5.17~
ubuntu/linux-laptop<5.17~
5.17~
ubuntu/linux-lowlatency<5.17~
5.17~
ubuntu/linux-lowlatency-hwe-5.15<5.17~
5.17~
ubuntu/linux-lowlatency-hwe-6.5<5.17~
5.17~
ubuntu/linux-lts-xenial<5.17~
5.17~
ubuntu/linux-nvidia<5.17~
5.17~
ubuntu/linux-oem<5.17~
5.17~
ubuntu/linux-oem-5.10<5.17~
5.17~
ubuntu/linux-oem-5.13<5.17~
5.17~
ubuntu/linux-oem-5.14<5.14.0-1024.26
5.14.0-1024.26
ubuntu/linux-oem-5.17<5.17~
5.17~
ubuntu/linux-oem-5.6<5.17~
5.17~
ubuntu/linux-oem-6.1<5.17~
5.17~
ubuntu/linux-oem-6.5<5.17~
5.17~
ubuntu/linux-oem-osp1<5.17~
5.17~
ubuntu/linux-oracle<5.4.0-1119.128
5.4.0-1119.128
ubuntu/linux-oracle<5.13.0-1027.32
5.13.0-1027.32
ubuntu/linux-oracle<5.17~
5.17~
ubuntu/linux-oracle-5.0<5.17~
5.17~
ubuntu/linux-oracle-5.11<5.17~
5.17~
ubuntu/linux-oracle-5.13<5.13.0-1027.32~20.04.1
5.13.0-1027.32~20.04.1
ubuntu/linux-oracle-5.13<5.17~
5.17~
ubuntu/linux-oracle-5.15<5.17~
5.17~
ubuntu/linux-oracle-5.3<5.17~
5.17~
ubuntu/linux-oracle-5.4<5.4.0-1119.128~18.04.1
5.4.0-1119.128~18.04.1
ubuntu/linux-raspi<5.4.0-1104.116
5.4.0-1104.116
ubuntu/linux-raspi<5.13.0-1025.27
5.13.0-1025.27
ubuntu/linux-raspi<5.17~
5.17~
ubuntu/linux-raspi-5.4<5.4.0-1104.116~18.04.1
5.4.0-1104.116~18.04.1
ubuntu/linux-raspi-5.4<5.17~
5.17~
ubuntu/linux-raspi2<5.17~
5.17~
ubuntu/linux-raspi2-5.3<5.17~
5.17~
ubuntu/linux-riscv<5.13.0-1020.22
5.13.0-1020.22
ubuntu/linux-riscv<5.17~
5.17~
ubuntu/linux-riscv-5.11<5.17~
5.17~
ubuntu/linux-riscv-5.15<5.17~
5.17~
ubuntu/linux-riscv-5.8<5.17~
5.17~
ubuntu/linux-riscv-6.5<5.17~
5.17~
ubuntu/linux-snapdragon<5.17~
5.17~
ubuntu/linux-starfive<5.17~
5.17~
ubuntu/linux-starfive-6.5<5.17~
5.17~
ubuntu/linux-xilinx-zynqmp<5.4.0-1039.43
5.4.0-1039.43
ubuntu/linux-xilinx-zynqmp<5.17~
5.17~
debian/linux<=4.19.249-2
4.19.304-1
5.10.209-2
5.10.218-1
6.1.76-1
6.1.90-1
6.7.12-1
6.8.12-1
debian/linux-5.10
5.10.216-1~deb10u1

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Parent vulnerabilities

(Appears in the following advisories)

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