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-debug-develUpgrade perfUpgrade kernel-debugUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-tools | Dec 31, 2018 | Apr 1, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade perfUpgrade kernel-debuginfoUpgrade kernel-develUpgrade kernel-tools-libsUpgrade python-perfUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-toolsUpgrade kernel-headersUpgrade kernel | Mar 11, 2019 | Apr 1, 2018 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Nov 6, 2018 | Mar 22, 2018 |
| Redhat_linux | — | Upgrade kernel-rtNo solution existsUpgrade kernel | Oct 31, 2018 | Apr 1, 2018 |
| Suse | — | Upgrade kernel-defaultUpgrade kernel-ec2Upgrade kernel-ec2-develUpgrade kernel-ec2-extra | Jun 21, 2018 | Apr 1, 2018 |
| Ubuntu | — | Upgrade linux-image-4.15.0-1011-kvmUpgrade linux-image-4.4.0-1091-raspi2Upgrade linux-image-powerpc64-emb-lts-xenialUpgrade linux-image-azureUpgrade linux-image-kvmUpgrade linux-image-powerpc-smp-lts-xenialUpgrade linux-image-4.13.0-45-genericUpgrade linux-image-gcpUpgrade linux-image-powerpc64-embUpgrade linux-image-4.4.0-128-powerpc64-embUpgrade linux-image-4.4.0-128-powerpc64-smpUpgrade linux-image-3.13.0-157-generic-lpaeUpgrade linux-image-4.13.0-1022-raspi2Upgrade linux-image-4.4.0-1027-kvmUpgrade linux-image-4.15.0-23-generic-lpaeUpgrade linux-image-generic-lpae-hwe-16.04Upgrade linux-image-gkeUpgrade linux-image-4.15.0-1010-awsUpgrade linux-image-4.4.0-128-powerpc-e500mcUpgrade linux-image-4.15.0-23-lowlatencyUpgrade linux-image-3.13.0-157-powerpc-e500mcUpgrade linux-image-3.13.0-157-powerpc-smpUpgrade linux-image-powerpc64-smpUpgrade linux-image-raspi2Upgrade linux-image-powerpc-smpUpgrade linux-image-generic-lpae-lts-xenialUpgrade linux-image-genericUpgrade linux-image-4.13.0-45-lowlatencyUpgrade linux-image-4.13.0-1030-oemUpgrade linux-image-4.4.0-128-generic-lpaeUpgrade linux-image-generic-lts-xenialUpgrade linux-image-snapdragonUpgrade linux-image-3.13.0-157-powerpc64-smpUpgrade linux-image-lowlatency-hwe-16.04Upgrade linux-image-4.15.0-1012-raspi2Upgrade linux-image-4.4.0-128-genericUpgrade linux-image-oemUpgrade linux-image-generic-hwe-16.04Upgrade linux-image-3.13.0-157-lowlatencyUpgrade linux-image-lowlatency-lts-xenialUpgrade linux-image-4.4.0-1061-awsUpgrade linux-image-4.15.0-1009-gcpUpgrade linux-image-lowlatencyUpgrade linux-image-powerpc64-smp-lts-xenialUpgrade linux-image-4.4.0-1094-snapdragonUpgrade linux-image-powerpc-e500Upgrade linux-image-3.13.0-157-genericUpgrade linux-image-4.4.0-1023-awsUpgrade linux-image-4.4.0-128-powerpc-smpUpgrade linux-image-powerpc-e500mc-lts-xenialUpgrade linux-image-3.13.0-157-powerpc-e500Upgrade linux-image-4.13.0-1019-gcpUpgrade linux-image-4.15.0-1013-azureUpgrade linux-image-4.15.0-23-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-4.13.0-45-generic-lpaeUpgrade linux-image-3.13.0-157-powerpc64-embUpgrade linux-image-4.4.0-128-lowlatencyUpgrade linux-image-4.15.0-23-snapdragonUpgrade linux-image-awsUpgrade linux-image-powerpc-e500mc | 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