CWE
667
Advisory Published
Updated

CVE-2021-4149

First published: Mon Oct 18 2021(Updated: )

A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

Credit: secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Linux Linux kernel<5.15
Linux Linux kernel=5.15
Linux Linux kernel=5.15-rc1
Linux Linux kernel=5.15-rc2
Linux Linux kernel=5.15-rc3
Linux Linux kernel=5.15-rc4
Linux Linux kernel=5.15-rc5
Debian Debian Linux=9.0
redhat/kernel<5.15
5.15
ubuntu/linux<4.15.0-184.194
4.15.0-184.194
ubuntu/linux<5.4.0-92.103
5.4.0-92.103
ubuntu/linux<5.13.0-23.23
5.13.0-23.23
ubuntu/linux<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux<4.4.0-239.273
4.4.0-239.273
ubuntu/linux-aws<4.15.0-1133.143
4.15.0-1133.143
ubuntu/linux-aws<5.4.0-1061.64
5.4.0-1061.64
ubuntu/linux-aws<5.13.0-1008.9
5.13.0-1008.9
ubuntu/linux-aws<4.4.0-1117.123
4.4.0-1117.123
ubuntu/linux-aws<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws<4.4.0-1155.170
4.4.0-1155.170
ubuntu/linux-aws-5.0<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.11<5.11.0-1023.24~20.04.1
5.11.0-1023.24~20.04.1
ubuntu/linux-aws-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.4<5.4.0-1061.64~18.04.1
5.4.0-1061.64~18.04.1
ubuntu/linux-aws-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-5.8<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-fips<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-hwe<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-aws-hwe<4.15.0-1133.143~16.04.1
4.15.0-1133.143~16.04.1
ubuntu/linux-azure<5.4.0-1065.68
5.4.0-1065.68
ubuntu/linux-azure<5.13.0-1009.10
5.13.0-1009.10
ubuntu/linux-azure<4.15.0-1142.156~14.04.1
4.15.0-1142.156~14.04.1
ubuntu/linux-azure<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure<4.15.0-1142.156~16.04.1
4.15.0-1142.156~16.04.1
ubuntu/linux-azure-4.15<4.15.0-1142.156
4.15.0-1142.156
ubuntu/linux-azure-4.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-5.11<5.11.0-1023.24~20.04.1
5.11.0-1023.24~20.04.1
ubuntu/linux-azure-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-5.4<5.4.0-1065.68~18.04.1
5.4.0-1065.68~18.04.1
ubuntu/linux-azure-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-edge<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-fde<5.4.0-1065.68
5.4.0-1065.68
ubuntu/linux-azure-fde<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-fde-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-azure-fips<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-bluefield<5.4.0-1023.26
5.4.0-1023.26
ubuntu/linux-bluefield<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-dell300x<4.15.0-1047.52
4.15.0-1047.52
ubuntu/linux-dell300x<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-fips<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp<5.4.0-1059.63
5.4.0-1059.63
ubuntu/linux-gcp<5.13.0-1008.9
5.13.0-1008.9
ubuntu/linux-gcp<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp<4.15.0-1127.142~16.04.1
4.15.0-1127.142~16.04.1
ubuntu/linux-gcp-4.15<4.15.0-1127.142
4.15.0-1127.142
ubuntu/linux-gcp-4.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-5.11<5.11.0-1024.26~20.04.1
5.11.0-1024.26~20.04.1
ubuntu/linux-gcp-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-5.4<5.4.0-1059.63~18.04.1
5.4.0-1059.63~18.04.1
ubuntu/linux-gcp-5.8<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gcp-fips<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke<5.4.0-1057.60
5.4.0-1057.60
ubuntu/linux-gke<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke-4.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke-5.0<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gke-5.4<5.4.0-1057.60~18.04.1
5.4.0-1057.60~18.04.1
ubuntu/linux-gke-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gkeop<5.4.0-1029.30
5.4.0-1029.30
ubuntu/linux-gkeop<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gkeop-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-gkeop-5.4<5.4.0-1029.30~18.04.2
5.4.0-1029.30~18.04.2
ubuntu/linux-gkeop-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe<4.15.0-184.194~16.04.1
4.15.0-184.194~16.04.1
ubuntu/linux-hwe-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-5.13<5.13.0-23.23~20.04.2
5.13.0-23.23~20.04.2
ubuntu/linux-hwe-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-5.4<5.4.0-92.103~18.04.2
5.4.0-92.103~18.04.2
ubuntu/linux-hwe-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-5.8<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-hwe-edge<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-ibm<5.4.0-1010.11
5.4.0-1010.11
ubuntu/linux-ibm<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-ibm-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-ibm-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-intel<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-intel-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-intel-iotg<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-intel-iotg-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-iot<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-kvm<4.15.0-1119.123
4.15.0-1119.123
ubuntu/linux-kvm<5.4.0-1051.53
5.4.0-1051.53
ubuntu/linux-kvm<5.13.0-1007.7
5.13.0-1007.7
ubuntu/linux-kvm<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-kvm<4.4.0-1118.128
4.4.0-1118.128
ubuntu/linux-laptop<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-lowlatency<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-lowlatency-hwe-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-lowlatency-hwe-5.19<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-lowlatency-hwe-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-lts-xenial<4.4.0-239.273~14.04.1
4.4.0-239.273~14.04.1
ubuntu/linux-lts-xenial<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-nvidia<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-nvidia-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-5.10<5.10.0-1051.53
5.10.0-1051.53
ubuntu/linux-oem-5.10<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-5.13<5.13.0-1026.32
5.13.0-1026.32
ubuntu/linux-oem-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-5.14<5.14.0-1007.7
5.14.0-1007.7
ubuntu/linux-oem-5.17<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-5.6<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-6.0<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-6.1<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-6.8<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oem-osp1<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle<4.15.0-1098.108
4.15.0-1098.108
ubuntu/linux-oracle<5.4.0-1059.63
5.4.0-1059.63
ubuntu/linux-oracle<5.13.0-1011.13
5.13.0-1011.13
ubuntu/linux-oracle<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle<4.15.0-1098.108~16.04.1
4.15.0-1098.108~16.04.1
ubuntu/linux-oracle-5.0<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle-5.11<5.11.0-1023.24~20.04.1
5.11.0-1023.24~20.04.1
ubuntu/linux-oracle-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle-5.13<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-oracle-5.4<5.4.0-1059.63~18.04.1
5.4.0-1059.63~18.04.1
ubuntu/linux-oracle-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-raspi<5.4.0-1048.53
5.4.0-1048.53
ubuntu/linux-raspi<5.13.0-1012.14
5.13.0-1012.14
ubuntu/linux-raspi<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-raspi-5.4<5.4.0-1048.53~18.04.1
5.4.0-1048.53~18.04.1
ubuntu/linux-raspi-5.4<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-raspi2<4.15.0-1114.122
4.15.0-1114.122
ubuntu/linux-raspi2<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-raspi2-5.3<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-riscv<5.13.0-1007.7
5.13.0-1007.7
ubuntu/linux-riscv<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-riscv-5.11<5.11.0-1024.25~20.04.1
5.11.0-1024.25~20.04.1
ubuntu/linux-riscv-5.11<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-riscv-5.15<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-riscv-5.8<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-riscv-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-snapdragon<4.15.0-1132.142
4.15.0-1132.142
ubuntu/linux-snapdragon<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-starfive<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-starfive-6.5<5.15~<5.4.155
5.15~
5.4.155
ubuntu/linux-xilinx-zynqmp<5.15~<5.4.155
5.15~
5.4.155
debian/linux<=5.10.218-1<=5.10.221-1
6.1.94-1
6.1.99-1
6.9.8-1
6.9.9-1

Remedy

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

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Parent vulnerabilities

(Appears in the following advisories)

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