CVE-2021-3428: Integer Overflow
First published: Tue Mar 09 2021(Updated: )
A flaw was found in the Linux kernel. A denial of service problem is identified if an extent tree is corrupted in a crafted ext4 filesystem in fs/ext4/extents.c in ext4_es_cache_extent. Fabricating an integer overflow, A local attacker with a special user privilege may cause a system crash problem which can lead to an availability threat.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.9.0 | |
| redhat/kernel | <5.9 | 5.9 |
| ubuntu/linux | <4.15.0-144.148 | 4.15.0-144.148 |
| ubuntu/linux | <5.4.0-90.101 | 5.4.0-90.101 |
| ubuntu/linux | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux | <4.4.0-239.273 | 4.4.0-239.273 |
| ubuntu/linux-aws | <4.15.0-1103.110 | 4.15.0-1103.110 |
| ubuntu/linux-aws | <5.4.0-1059.62 | 5.4.0-1059.62 |
| ubuntu/linux-aws | <4.4.0-1117.123 | 4.4.0-1117.123 |
| ubuntu/linux-aws | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws | <4.4.0-1155.170 | 4.4.0-1155.170 |
| ubuntu/linux-aws-5.0 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.4 | <5.4.0-1059.62~18.04.1 | 5.4.0-1059.62~18.04.1 |
| ubuntu/linux-aws-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-5.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-fips | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-hwe | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-aws-hwe | <4.15.0-1103.110~16.04.1 | 4.15.0-1103.110~16.04.1 |
| ubuntu/linux-azure | <5.4.0-1063.66 | 5.4.0-1063.66 |
| ubuntu/linux-azure | <4.15.0-1115.128~14.04.1 | 4.15.0-1115.128~14.04.1 |
| ubuntu/linux-azure | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure | <4.15.0-1115.128~16.04.1 | 4.15.0-1115.128~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1115.128 | 4.15.0-1115.128 |
| ubuntu/linux-azure-4.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-5.4 | <5.4.0-1063.66~18.04.1 | 5.4.0-1063.66~18.04.1 |
| ubuntu/linux-azure-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-edge | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-fde | <5.4.0-1063.66 | 5.4.0-1063.66 |
| ubuntu/linux-azure-fde | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-fde-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-azure-fips | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-bluefield | <5.4.0-1021.24 | 5.4.0-1021.24 |
| ubuntu/linux-bluefield | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-dell300x | <4.15.0-1022.26 | 4.15.0-1022.26 |
| ubuntu/linux-dell300x | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-fips | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp | <5.4.0-1057.61 | 5.4.0-1057.61 |
| ubuntu/linux-gcp | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp | <4.15.0-1100.113~16.04.1 | 4.15.0-1100.113~16.04.1 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1100.113 | 4.15.0-1100.113 |
| ubuntu/linux-gcp-4.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1057.61~18.04.1 | 5.4.0-1057.61~18.04.1 |
| ubuntu/linux-gcp-5.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-edge | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gcp-fips | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke | <5.4.0-1055.58 | 5.4.0-1055.58 |
| ubuntu/linux-gke | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke-4.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke-5.0 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gke-5.4 | <5.4.0-1055.58~18.04.1 | 5.4.0-1055.58~18.04.1 |
| ubuntu/linux-gke-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gkeop | <5.4.0-1026.27 | 5.4.0-1026.27 |
| ubuntu/linux-gkeop | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gkeop-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-gkeop-5.4 | <5.4.0-1026.27~18.04.1 | 5.4.0-1026.27~18.04.1 |
| ubuntu/linux-gkeop-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe | <4.15.0-144.148~16.04.1 | 4.15.0-144.148~16.04.1 |
| ubuntu/linux-hwe-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-5.4 | <5.4.0-90.101~18.04.1 | 5.4.0-90.101~18.04.1 |
| ubuntu/linux-hwe-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-5.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-hwe-edge | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-ibm | <5.4.0-1007.8 | 5.4.0-1007.8 |
| ubuntu/linux-ibm | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-ibm-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-ibm-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-intel | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-intel-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-intel-iot-realtime | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-intel-iotg | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-intel-iotg-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-iot | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-kvm | <4.15.0-1092.94 | 4.15.0-1092.94 |
| ubuntu/linux-kvm | <5.4.0-1049.51 | 5.4.0-1049.51 |
| ubuntu/linux-kvm | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-kvm | <4.4.0-1118.128 | 4.4.0-1118.128 |
| ubuntu/linux-laptop | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lowlatency | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lowlatency-hwe-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lowlatency-hwe-6.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lts-trusty | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-lts-xenial | <4.4.0-239.273~14.04.1 | 4.4.0-239.273~14.04.1 |
| ubuntu/linux-lts-xenial | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-nvidia | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-nvidia-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-nvidia-6.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-nvidia-lowlatency | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-5.10 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-5.17 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-5.6 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-6.0 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-6.1 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-6.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oem-osp1 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle | <4.15.0-1072.80 | 4.15.0-1072.80 |
| ubuntu/linux-oracle | <5.4.0-1057.61 | 5.4.0-1057.61 |
| ubuntu/linux-oracle | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle | <4.15.0-1072.80~16.04.1 | 4.15.0-1072.80~16.04.1 |
| ubuntu/linux-oracle-5.0 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle-5.13 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1057.61~18.04.1 | 5.4.0-1057.61~18.04.1 |
| ubuntu/linux-oracle-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-raspi | <5.4.0-1046.50 | 5.4.0-1046.50 |
| ubuntu/linux-raspi | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1046.50~18.04.1 | 5.4.0-1046.50~18.04.1 |
| ubuntu/linux-raspi-5.4 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-raspi-realtime | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-raspi2 | <4.15.0-1086.91 | 4.15.0-1086.91 |
| ubuntu/linux-raspi2 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-raspi2-5.3 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-realtime | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv-5.11 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv-5.15 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv-5.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-riscv-6.8 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-snapdragon | <4.15.0-1103.112 | 4.15.0-1103.112 |
| ubuntu/linux-snapdragon | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-starfive | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-starfive-6.5 | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| ubuntu/linux-xilinx-zynqmp | <5.9~<4.4.263 | 5.9~ 4.4.263 |
| debian/linux | 5.10.223-1 6.1.106-3 6.1.99-1 6.10.6-1 6.10.7-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1972621
- https://ubuntu.com/security/CVE-2021-3428
- https://www.openwall.com/lists/oss-security/2021/03/17/1
- https://launchpad.net/bugs/cve/CVE-2021-3428
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1936787
- https://access.redhat.com/errata/RHSA-2021:1578
- https://access.redhat.com/errata/RHSA-2021:1739
- https://bugzilla.redhat.com/show_bug.cgi?id=1936786
- https://www.openwall.com/lists/oss-security/2021/03/17/5
- https://www.openwall.com/lists/oss-security/2021/03/17/13
- https://ubuntu.com/security/notices/USN-4979-1
- https://ubuntu.com/security/notices/USN-5137-1
- https://ubuntu.com/security/notices/USN-5137-2
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://www.cve.org/CVERecord?id=CVE-2021-3428
- https://nvd.nist.gov/vuln/detail/CVE-2021-3428
- https://security-tracker.debian.org/tracker/CVE-2021-3428
- https://git.kernel.org/linus/0a944e8a6c66ca04c7afbaa17e22bf208a8b37f0
- https://git.kernel.org/linus/ce9f24cccdc019229b70a5c15e2b09ad9c0ab5d1
- https://bugzilla.suse.com/show_bug.cgi?id=1173485
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-index
- agent/type
- agent/remedy
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/severity
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2021-3428
- agent/description
- agent/weakness
- agent/references
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/event
- agent/tags
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/usn-cve
- source/Ubuntu
- vendor/linux
- canonical/linux linux kernel
- package-manager/redhat
- package-manager/debian
- package-manager/ubuntu