The ext4_iget function in fs/ext4/inode.c in the Linux kernel through 4.15.15 mishandles the case of a root directory with a zero i_links_count, which allows attackers to cause a denial of service (ext4_process_freed_data NULL pointer dereference and OOPS) via a crafted ext4 image.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/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 28, 2019 | Apr 2, 2018 |
| Debian | — | Upgrade linux | May 2, 2018 | Apr 1, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade kernel-toolsUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-libsUpgrade kernelUpgrade perfUpgrade kernel-debug-develUpgrade kernel-debuginfoUpgrade kernel-debugUpgrade kernel-develUpgrade kernel-headers | Dec 31, 2018 | Apr 1, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade kernel-debuginfoUpgrade perfUpgrade kernel-develUpgrade kernel-tools-libsUpgrade kernelUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-headersUpgrade python-perfUpgrade kernel-tools | Mar 11, 2019 | Apr 1, 2018 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Nov 6, 2018 | Mar 22, 2018 |
| Redhat_linux | — | No solution existsUpgrade kernel-rtUpgrade kernel | Oct 31, 2018 | Apr 1, 2018 |
| Suse | — | Upgrade kernel-ec2-develUpgrade kernel-ec2-extraUpgrade kernel-ec2Upgrade kernel-default | Jun 21, 2018 | Apr 1, 2018 |
| Ubuntu | — | Upgrade linux-image-4.15.0-23-genericUpgrade linux-image-powerpc-e500Upgrade linux-image-3.13.0-157-powerpc64-smpUpgrade linux-image-4.15.0-1013-azureUpgrade linux-image-generic-lpaeUpgrade linux-image-powerpc-e500mcUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-4.15.0-23-snapdragonUpgrade linux-image-snapdragonUpgrade linux-image-generic-lts-xenialUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-oemUpgrade linux-image-4.15.0-1009-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-4.13.0-1019-gcpUpgrade linux-image-4.4.0-1023-awsUpgrade linux-image-awsUpgrade linux-image-4.4.0-128-genericUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.15.0-1012-raspi2Upgrade linux-image-4.4.0-128-powerpc-smpUpgrade linux-image-4.4.0-128-generic-lpaeUpgrade linux-image-4.4.0-128-lowlatencyUpgrade linux-image-3.13.0-157-lowlatencyUpgrade linux-image-3.13.0-157-powerpc-e500Upgrade linux-image-3.13.0-157-powerpc64-embUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-4.4.0-1094-snapdragonUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-1061-awsUpgrade linux-image-4.13.0-45-generic-lpaeUpgrade linux-image-3.13.0-157-genericUpgrade linux-image-4.13.0-1022-raspi2Upgrade linux-image-powerpc-smpUpgrade linux-image-4.4.0-128-powerpc64-smpUpgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-4.4.0-1091-raspi2Upgrade linux-image-kvmUpgrade linux-image-4.15.0-23-generic-lpaeUpgrade linux-image-powerpc64-embUpgrade linux-image-genericUpgrade linux-image-4.13.0-45-lowlatencyUpgrade linux-image-4.15.0-23-lowlatencyUpgrade linux-image-azureUpgrade linux-image-3.13.0-157-powerpc-e500mcUpgrade linux-image-3.13.0-157-powerpc-smpUpgrade linux-image-powerpc64-smpUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-raspi2Upgrade linux-image-4.4.0-1027-kvmUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-4.13.0-1030-oemUpgrade linux-image-3.13.0-157-generic-lpaeUpgrade linux-image-4.15.0-1011-kvmUpgrade linux-image-gcpUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-gkeUpgrade linux-image-4.4.0-128-powerpc-e500mcUpgrade linux-image-4.13.0-45-genericUpgrade linux-image-4.15.0-1010-awsUpgrade linux-image-4.4.0-128-powerpc64-emb | Jun 13, 2018 | Apr 1, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 2, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub