A flaw was found in the Linux kernel's NFS implementation, all versions 3.x and all versions 4.x up to 4.20. An attacker, who is able to mount an exported NFS filesystem, is able to trigger a null pointer dereference by using an invalid NFS sequence. This can panic the machine and deny access to the NFS server. Any outstanding disk writes to the NFS server will be lost.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Aug 1, 2019 | Jul 4, 2019 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Jul 30, 2019 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-develUpgrade kernel-headersUpgrade kernel-tools-libsUpgrade kernel-toolsUpgrade perfUpgrade kernelUpgrade python-perf | Sep 12, 2019 | Jul 30, 2019 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Jul 31, 2019 | Jun 3, 2019 |
| Redhat Openshift | — | Upgrade redhat-coreos | Dec 29, 2020 | Jul 30, 2019 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Jul 30, 2019 | Jul 29, 2019 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade kernel-defaultUpgrade kernel-docsUpgrade kernel-devel-azureUpgrade kernel-default-extraUpgrade kernel-default-manUpgrade kernel-obs-buildUpgrade dlm-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-azure-baseUpgrade kernel-source-azureUpgrade cluster-md-kmp-default | Jul 16, 2019 | Jul 4, 2019 |
| Ubuntu | — | Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-aws-hweUpgrade linuxUpgrade linux-hweUpgrade linux-oemUpgrade linux-hwe-edgeUpgrade linux-azure-edgeUpgrade linux-raspi2Upgrade linux-azureUpgrade linux-gcp-edgeUpgrade linux-gcpUpgrade linux-aws | Nov 19, 2024 | Jul 30, 2019 |
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