Candidate: CVE-2020-35513 PublicDate: 2021-01-26 18:15:00 UTC References: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-35513 https://git.kernel.org/linus/880a3a5325489a143269a8e172e7563ebf9897bc Description: A flaw incorrect umask during file or directory modification in the Linux kernel NFS (network file system) functionality was found in the way user create and delete object using NFSv4.2 or newer if both simultaneously accessing the NFS by the other process that is not using new NFSv4.2. A user with access to the NFS could use this flaw to starve the resources causing denial of service. Ubuntu-Description: Notes: Mitigation: Bugs: https://bugzilla.redhat.com/show_bug.cgi?id=1911309 Priority: low Discovered-by: Lucash Stach Assigned-to: CVSS: nvd: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H [4.9 MEDIUM] Patches_linux: break-fix: 47057abde515155a4fee53038e7772d6b387e0aa 880a3a5325489a143269a8e172e7563ebf9897bc upstream_linux: released (4.17~rc1) precise/esm_linux: ignored (was needs-triage ESM criteria) trusty_linux: ignored (out of standard support) trusty/esm_linux: ignored (was needs-triage ESM criteria) xenial_linux: not-affected (4.2.0-16.19) esm-infra/xenial_linux: not-affected (4.2.0-16.19) bionic_linux: released (4.15.0-23.25) focal_linux: not-affected (5.4.0-9.12) groovy_linux: not-affected (5.4.0-26.30) devel_linux: not-affected (5.8.0-36.40+21.04.1) Patches_linux-hwe: upstream_linux-hwe: released (4.17~rc1) precise/esm_linux-hwe: DNE trusty_linux-hwe: DNE trusty/esm_linux-hwe: DNE xenial_linux-hwe: released (4.15.0-24.26~16.04.1) esm-infra/xenial_linux-hwe: released (4.15.0-24.26~16.04.1) bionic_linux-hwe: ignored (replaced by linux-hwe-5.4) focal_linux-hwe: DNE groovy_linux-hwe: DNE devel_linux-hwe: DNE Patches_linux-hwe-5.4: upstream_linux-hwe-5.4: released (4.17~rc1) precise/esm_linux-hwe-5.4: DNE trusty_linux-hwe-5.4: DNE trusty/esm_linux-hwe-5.4: DNE xenial_linux-hwe-5.4: DNE bionic_linux-hwe-5.4: not-affected (5.4.0-37.41~18.04.1) focal_linux-hwe-5.4: DNE groovy_linux-hwe-5.4: DNE devel_linux-hwe-5.4: DNE Patches_linux-hwe-5.8: upstream_linux-hwe-5.8: released (4.17~rc1) precise/esm_linux-hwe-5.8: DNE trusty_linux-hwe-5.8: DNE trusty/esm_linux-hwe-5.8: DNE xenial_linux-hwe-5.8: DNE bionic_linux-hwe-5.8: DNE focal_linux-hwe-5.8: not-affected (5.8.0-23.24~20.04.1) groovy_linux-hwe-5.8: DNE devel_linux-hwe-5.8: DNE Patches_linux-hwe-edge: upstream_linux-hwe-edge: released (4.17~rc1) precise/esm_linux-hwe-edge: DNE trusty_linux-hwe-edge: DNE trusty/esm_linux-hwe-edge: DNE xenial_linux-hwe-edge: ignored (superseded by linux-hwe) esm-infra/xenial_linux-hwe-edge: ignored (superseded by linux-hwe) bionic_linux-hwe-edge: ignored (superseded by linux-hwe-5.4) focal_linux-hwe-edge: DNE groovy_linux-hwe-edge: DNE devel_linux-hwe-edge: DNE Patches_linux-lts-trusty: upstream_linux-lts-trusty: released (4.17~rc1) precise/esm_linux-lts-trusty: ignored (was needs-triage ESM criteria) trusty_linux-lts-trusty: DNE trusty/esm_linux-lts-trusty: DNE xenial_linux-lts-trusty: DNE bionic_linux-lts-trusty: DNE focal_linux-lts-trusty: DNE groovy_linux-lts-trusty: DNE devel_linux-lts-trusty: DNE Patches_linux-lts-xenial: upstream_linux-lts-xenial: released (4.17~rc1) precise/esm_linux-lts-xenial: DNE trusty_linux-lts-xenial: ignored (out of standard support) trusty/esm_linux-lts-xenial: ignored (was needs-triage ESM criteria) xenial_linux-lts-xenial: DNE bionic_linux-lts-xenial: DNE focal_linux-lts-xenial: DNE groovy_linux-lts-xenial: DNE devel_linux-lts-xenial: DNE Patches_linux-kvm: upstream_linux-kvm: released (4.17~rc1) precise/esm_linux-kvm: DNE trusty_linux-kvm: DNE trusty/esm_linux-kvm: DNE xenial_linux-kvm: not-affected (4.4.0-1004.9) esm-infra/xenial_linux-kvm: not-affected (4.4.0-1004.9) bionic_linux-kvm: released (4.15.0-1011.11) focal_linux-kvm: not-affected (5.4.0-1004.4) groovy_linux-kvm: not-affected (5.4.0-1009.9) devel_linux-kvm: not-affected (5.8.0-1010.11+21.04.1) Patches_linux-aws: upstream_linux-aws: released (4.17~rc1) precise/esm_linux-aws: DNE trusty_linux-aws: ignored (out of standard support) trusty/esm_linux-aws: ignored (was needs-triage ESM criteria) xenial_linux-aws: not-affected (4.4.0-1001.10) esm-infra/xenial_linux-aws: not-affected (4.4.0-1001.10) bionic_linux-aws: released (4.15.0-1010.10) focal_linux-aws: not-affected (5.4.0-1005.5) groovy_linux-aws: not-affected (5.4.0-1009.9) devel_linux-aws: not-affected (5.8.0-1018.20+21.04.1) Patches_linux-aws-5.0: upstream_linux-aws-5.0: released (4.17~rc1) precise/esm_linux-aws-5.0: DNE trusty_linux-aws-5.0: DNE trusty/esm_linux-aws-5.0: DNE xenial_linux-aws-5.0: DNE bionic_linux-aws-5.0: ignored (superseded by linux-aws-5.3) focal_linux-aws-5.0: DNE groovy_linux-aws-5.0: DNE devel_linux-aws-5.0: DNE Patches_linux-aws-5.3: upstream_linux-aws-5.3: released (4.17~rc1) precise/esm_linux-aws-5.3: DNE trusty_linux-aws-5.3: DNE trusty/esm_linux-aws-5.3: DNE xenial_linux-aws-5.3: DNE bionic_linux-aws-5.3: ignored (superseded by linux-aws-5.4) focal_linux-aws-5.3: DNE groovy_linux-aws-5.3: DNE devel_linux-aws-5.3: DNE Patches_linux-aws-5.4: upstream_linux-aws-5.4: released (4.17~rc1) precise/esm_linux-aws-5.4: DNE trusty_linux-aws-5.4: DNE trusty/esm_linux-aws-5.4: DNE xenial_linux-aws-5.4: DNE bionic_linux-aws-5.4: not-affected (5.4.0-1018.18~18.04.1) focal_linux-aws-5.4: DNE groovy_linux-aws-5.4: DNE devel_linux-aws-5.4: DNE Patches_linux-aws-hwe: upstream_linux-aws-hwe: released (4.17~rc1) precise/esm_linux-aws-hwe: DNE trusty_linux-aws-hwe: DNE trusty/esm_linux-aws-hwe: DNE xenial_linux-aws-hwe: not-affected (4.15.0-1030.31~16.04.1) esm-infra/xenial_linux-aws-hwe: not-affected (4.15.0-1030.31~16.04.1) bionic_linux-aws-hwe: DNE focal_linux-aws-hwe: DNE groovy_linux-aws-hwe: DNE devel_linux-aws-hwe: DNE Patches_linux-azure: upstream_linux-azure: released (4.17~rc1) precise/esm_linux-azure: DNE trusty_linux-azure: ignored (out of standard support) trusty/esm_linux-azure: ignored (was needs-triage ESM criteria) xenial_linux-azure: released (4.15.0-1013.13~16.04.2) esm-infra/xenial_linux-azure: released (4.15.0-1013.13~16.04.2) bionic_linux-azure: ignored (superseded by linux-azure-5.3) focal_linux-azure: not-affected (5.4.0-1006.6) groovy_linux-azure: not-affected (5.4.0-1010.10) devel_linux-azure: not-affected (5.8.0-1016.17+21.04.1) Patches_linux-azure-4.15: upstream_linux-azure-4.15: released (4.17~rc1) precise/esm_linux-azure-4.15: DNE trusty_linux-azure-4.15: DNE trusty/esm_linux-azure-4.15: DNE xenial_linux-azure-4.15: DNE bionic_linux-azure-4.15: not-affected (4.15.0-1082.92) focal_linux-azure-4.15: DNE groovy_linux-azure-4.15: DNE devel_linux-azure-4.15: DNE Patches_linux-azure-5.3: upstream_linux-azure-5.3: released (4.17~rc1) precise/esm_linux-azure-5.3: DNE trusty_linux-azure-5.3: DNE trusty/esm_linux-azure-5.3: DNE xenial_linux-azure-5.3: DNE bionic_linux-azure-5.3: ignored (superseded by linux-azure-5.4) focal_linux-azure-5.3: DNE groovy_linux-azure-5.3: DNE devel_linux-azure-5.3: DNE Patches_linux-azure-5.4: upstream_linux-azure-5.4: released (4.17~rc1) precise/esm_linux-azure-5.4: DNE trusty_linux-azure-5.4: DNE trusty/esm_linux-azure-5.4: DNE xenial_linux-azure-5.4: DNE bionic_linux-azure-5.4: not-affected (5.4.0-1020.20~18.04.1) focal_linux-azure-5.4: DNE groovy_linux-azure-5.4: DNE devel_linux-azure-5.4: DNE Patches_linux-azure-edge: upstream_linux-azure-edge: released (4.17~rc1) precise/esm_linux-azure-edge: DNE trusty_linux-azure-edge: DNE trusty/esm_linux-azure-edge: DNE xenial_linux-azure-edge: DNE bionic_linux-azure-edge: ignored (superseded by linux-azure-5.3) focal_linux-azure-edge: DNE groovy_linux-azure-edge: DNE devel_linux-azure-edge: DNE Patches_linux-gcp: upstream_linux-gcp: released (4.17~rc1) precise/esm_linux-gcp: DNE trusty_linux-gcp: DNE trusty/esm_linux-gcp: DNE xenial_linux-gcp: released (4.15.0-1014.14~16.04.1) esm-infra/xenial_linux-gcp: released (4.15.0-1014.14~16.04.1) bionic_linux-gcp: ignored (superseded by linux-gcp-5.3) focal_linux-gcp: not-affected (5.4.0-1005.5) groovy_linux-gcp: not-affected (5.4.0-1009.9) devel_linux-gcp: not-affected (5.8.0-1015.15+21.04.1) Patches_linux-gcp-4.15: upstream_linux-gcp-4.15: released (4.17~rc1) precise/esm_linux-gcp-4.15: DNE trusty_linux-gcp-4.15: DNE trusty/esm_linux-gcp-4.15: DNE xenial_linux-gcp-4.15: DNE bionic_linux-gcp-4.15: not-affected (4.15.0-1071.81) focal_linux-gcp-4.15: DNE groovy_linux-gcp-4.15: DNE devel_linux-gcp-4.15: DNE Patches_linux-gcp-5.3: upstream_linux-gcp-5.3: released (4.17~rc1) precise/esm_linux-gcp-5.3: DNE trusty_linux-gcp-5.3: DNE trusty/esm_linux-gcp-5.3: DNE xenial_linux-gcp-5.3: DNE bionic_linux-gcp-5.3: ignored (superseded by linux-gcp-5.4) focal_linux-gcp-5.3: DNE groovy_linux-gcp-5.3: DNE devel_linux-gcp-5.3: DNE Patches_linux-gcp-5.4: upstream_linux-gcp-5.4: released (4.17~rc1) precise/esm_linux-gcp-5.4: DNE trusty_linux-gcp-5.4: DNE trusty/esm_linux-gcp-5.4: DNE xenial_linux-gcp-5.4: DNE bionic_linux-gcp-5.4: not-affected (5.4.0-1019.19~18.04.2) focal_linux-gcp-5.4: DNE groovy_linux-gcp-5.4: DNE devel_linux-gcp-5.4: DNE Patches_linux-gcp-edge: upstream_linux-gcp-edge: released (4.17~rc1) precise/esm_linux-gcp-edge: DNE trusty_linux-gcp-edge: DNE trusty/esm_linux-gcp-edge: DNE xenial_linux-gcp-edge: DNE bionic_linux-gcp-edge: ignored (superseded by linux-gcp-5.3) focal_linux-gcp-edge: DNE groovy_linux-gcp-edge: DNE devel_linux-gcp-edge: DNE Patches_linux-gke-4.15: upstream_linux-gke-4.15: released (4.17~rc1) precise/esm_linux-gke-4.15: DNE trusty_linux-gke-4.15: DNE trusty/esm_linux-gke-4.15: DNE xenial_linux-gke-4.15: DNE bionic_linux-gke-4.15: not-affected (4.15.0-1030.32) focal_linux-gke-4.15: DNE groovy_linux-gke-4.15: DNE devel_linux-gke-4.15: DNE Patches_linux-gke-5.0: upstream_linux-gke-5.0: released (4.17~rc1) precise/esm_linux-gke-5.0: DNE trusty_linux-gke-5.0: DNE trusty/esm_linux-gke-5.0: DNE xenial_linux-gke-5.0: DNE bionic_linux-gke-5.0: not-affected (5.0.0-1011.11~18.04.1) focal_linux-gke-5.0: DNE groovy_linux-gke-5.0: DNE devel_linux-gke-5.0: DNE Patches_linux-gke-5.3: upstream_linux-gke-5.3: released (4.17~rc1) precise/esm_linux-gke-5.3: DNE trusty_linux-gke-5.3: DNE trusty/esm_linux-gke-5.3: DNE xenial_linux-gke-5.3: DNE bionic_linux-gke-5.3: not-affected (5.3.0-1011.12~18.04.1) focal_linux-gke-5.3: DNE groovy_linux-gke-5.3: DNE devel_linux-gke-5.3: DNE Patches_linux-gke-5.4: upstream_linux-gke-5.4: released (4.17~rc1) precise/esm_linux-gke-5.4: DNE trusty_linux-gke-5.4: DNE trusty/esm_linux-gke-5.4: DNE xenial_linux-gke-5.4: DNE bionic_linux-gke-5.4: not-affected (5.4.0-1025.25~18.04.1) focal_linux-gke-5.4: DNE groovy_linux-gke-5.4: DNE devel_linux-gke-5.4: DNE Patches_linux-gkeop-5.4: upstream_linux-gkeop-5.4: released (4.17~rc1) precise/esm_linux-gkeop-5.4: DNE trusty_linux-gkeop-5.4: DNE trusty/esm_linux-gkeop-5.4: DNE xenial_linux-gkeop-5.4: DNE bionic_linux-gkeop-5.4: not-affected (5.4.0-1001.1) focal_linux-gkeop-5.4: DNE groovy_linux-gkeop-5.4: DNE devel_linux-gkeop-5.4: DNE Patches_linux-oracle: upstream_linux-oracle: released (4.17~rc1) precise/esm_linux-oracle: DNE trusty_linux-oracle: DNE trusty/esm_linux-oracle: DNE xenial_linux-oracle: not-affected (4.15.0-1007.9~16.04.1) esm-infra/xenial_linux-oracle: not-affected (4.15.0-1007.9~16.04.1) bionic_linux-oracle: not-affected (4.15.0-1007.9) focal_linux-oracle: not-affected (5.4.0-1005.5) groovy_linux-oracle: not-affected (5.4.0-1009.9) devel_linux-oracle: not-affected (5.8.0-1014.14+21.04.1) Patches_linux-oracle-5.0: upstream_linux-oracle-5.0: released (4.17~rc1) precise/esm_linux-oracle-5.0: DNE trusty_linux-oracle-5.0: DNE trusty/esm_linux-oracle-5.0: DNE xenial_linux-oracle-5.0: DNE bionic_linux-oracle-5.0: ignored (superseded by linux-oracle-5.3) focal_linux-oracle-5.0: DNE groovy_linux-oracle-5.0: DNE devel_linux-oracle-5.0: DNE Patches_linux-oracle-5.3: upstream_linux-oracle-5.3: released (4.17~rc1) precise/esm_linux-oracle-5.3: DNE trusty_linux-oracle-5.3: DNE trusty/esm_linux-oracle-5.3: DNE xenial_linux-oracle-5.3: DNE bionic_linux-oracle-5.3: ignored (superseded by linux-oracle-5.4) focal_linux-oracle-5.3: DNE groovy_linux-oracle-5.3: DNE devel_linux-oracle-5.3: DNE Patches_linux-oracle-5.4: upstream_linux-oracle-5.4: released (4.17~rc1) precise/esm_linux-oracle-5.4: DNE trusty_linux-oracle-5.4: DNE trusty/esm_linux-oracle-5.4: DNE xenial_linux-oracle-5.4: DNE bionic_linux-oracle-5.4: not-affected (5.4.0-1019.19~18.04.1) focal_linux-oracle-5.4: DNE groovy_linux-oracle-5.4: DNE devel_linux-oracle-5.4: DNE Patches_linux-oem: upstream_linux-oem: released (4.17~rc1) precise/esm_linux-oem: DNE trusty_linux-oem: DNE trusty/esm_linux-oem: DNE xenial_linux-oem: ignored (superseded by linux-hwe) bionic_linux-oem: ignored (was needs-triage now end-of-life) focal_linux-oem: DNE groovy_linux-oem: DNE devel_linux-oem: DNE Patches_linux-oem-5.6: upstream_linux-oem-5.6: released (4.17~rc1) precise/esm_linux-oem-5.6: DNE trusty_linux-oem-5.6: DNE trusty/esm_linux-oem-5.6: DNE xenial_linux-oem-5.6: DNE bionic_linux-oem-5.6: DNE focal_linux-oem-5.6: not-affected (5.6.0-1007.7) groovy_linux-oem-5.6: DNE devel_linux-oem-5.6: DNE Patches_linux-oem-osp1: upstream_linux-oem-osp1: released (4.17~rc1) precise/esm_linux-oem-osp1: DNE trusty_linux-oem-osp1: DNE trusty/esm_linux-oem-osp1: DNE xenial_linux-oem-osp1: DNE bionic_linux-oem-osp1: ignored (was needs-triage now end-of-life) focal_linux-oem-osp1: DNE groovy_linux-oem-osp1: DNE devel_linux-oem-osp1: DNE Patches_linux-raspi: upstream_linux-raspi: released (4.17~rc1) precise/esm_linux-raspi: DNE trusty_linux-raspi: DNE trusty/esm_linux-raspi: DNE xenial_linux-raspi: DNE bionic_linux-raspi: DNE focal_linux-raspi: not-affected (5.4.0-1007.7) groovy_linux-raspi: not-affected (5.4.0-1008.8) devel_linux-raspi: not-affected (5.8.0-1008.11+21.04.1) Patches_linux-raspi2: upstream_linux-raspi2: released (4.17~rc1) precise/esm_linux-raspi2: DNE trusty_linux-raspi2: DNE trusty/esm_linux-raspi2: DNE xenial_linux-raspi2: not-affected (4.2.0-1013.19) bionic_linux-raspi2: released (4.15.0-1012.13) focal_linux-raspi2: ignored (replaced by linux-raspi) groovy_linux-raspi2: DNE devel_linux-raspi2: DNE Patches_linux-raspi2-5.3: upstream_linux-raspi2-5.3: released (4.17~rc1) precise/esm_linux-raspi2-5.3: DNE trusty_linux-raspi2-5.3: DNE trusty/esm_linux-raspi2-5.3: DNE xenial_linux-raspi2-5.3: DNE bionic_linux-raspi2-5.3: not-affected (5.3.0-1017.19~18.04.1) focal_linux-raspi2-5.3: DNE groovy_linux-raspi2-5.3: DNE devel_linux-raspi2-5.3: DNE Patches_linux-raspi-5.4: upstream_linux-raspi-5.4: released (4.17~rc1) precise/esm_linux-raspi-5.4: DNE trusty_linux-raspi-5.4: DNE trusty/esm_linux-raspi-5.4: DNE xenial_linux-raspi-5.4: DNE bionic_linux-raspi-5.4: not-affected (5.4.0-1013.13~18.04.1) focal_linux-raspi-5.4: DNE groovy_linux-raspi-5.4: DNE devel_linux-raspi-5.4: DNE Patches_linux-riscv: upstream_linux-riscv: released (4.17~rc1) precise/esm_linux-riscv: DNE trusty_linux-riscv: DNE trusty/esm_linux-riscv: DNE xenial_linux-riscv: DNE bionic_linux-riscv: DNE focal_linux-riscv: ignored (was needs-triage now end-of-life) groovy_linux-riscv: not-affected (5.4.0-24.28) devel_linux-riscv: not-affected (5.8.0-10.12+21.04.1) Patches_linux-snapdragon: upstream_linux-snapdragon: released (4.17~rc1) precise/esm_linux-snapdragon: DNE trusty_linux-snapdragon: DNE trusty/esm_linux-snapdragon: DNE xenial_linux-snapdragon: not-affected (4.4.0-1013.15) bionic_linux-snapdragon: not-affected (4.4.0-1077.82) focal_linux-snapdragon: DNE groovy_linux-snapdragon: DNE devel_linux-snapdragon: DNE