CVE-2023-2612: Race Condition
First published: Tue May 30 2023(Updated: )
Jean-Baptiste Cayrou discovered that the shiftfs file system in the Ubuntu Linux kernel contained a race condition when handling inode locking in some situations. A local attacker could use this to cause a denial of service (kernel deadlock).
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| ubuntu/linux-xilinx-zynqmp | <5.4.0-1024.28 | 5.4.0-1024.28 |
| ubuntu/linux-iot | <5.4.0-1017.18 | 5.4.0-1017.18 |
| ubuntu/linux-iot | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-aws-5.4 | <5.4.0-1103.111~18.04.1 | 5.4.0-1103.111~18.04.1 |
| ubuntu/linux-aws-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-aws-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-aws-5.15 | <5.15.0-1037.41~20.04.1 | 5.15.0-1037.41~20.04.1 |
| ubuntu/linux-aws-hwe | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure | <5.4.0-1109.115 | 5.4.0-1109.115 |
| ubuntu/linux-azure | <6.2.0-1005.5 | 6.2.0-1005.5 |
| ubuntu/linux-azure | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure | <5.15.0-1039.46 | 5.15.0-1039.46 |
| ubuntu/linux-azure | <5.19.0-1027.30 | 5.19.0-1027.30 |
| ubuntu/linux-azure-4.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-5.15 | <5.15.0-1039.46~20.04.1 | 5.15.0-1039.46~20.04.1 |
| ubuntu/linux-azure-5.4 | <5.4.0-1109.115~18.04.1 | 5.4.0-1109.115~18.04.1 |
| ubuntu/linux-azure-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-fde | <5.15.0-1039.46 | 5.15.0-1039.46 |
| ubuntu/linux-azure-fde | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-fde-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1039.46~20.04.1 | 5.15.0-1039.46~20.04.1 |
| ubuntu/linux-bluefield | <5.4.0-1064.70 | 5.4.0-1064.70 |
| ubuntu/linux-bluefield | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-dell300x | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-fips | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gcp | <5.4.0-1106.115 | 5.4.0-1106.115 |
| ubuntu/linux-gcp | <5.15.0-1035.43 | 5.15.0-1035.43 |
| ubuntu/linux-gcp | <5.19.0-1025.27 | 5.19.0-1025.27 |
| ubuntu/linux-gcp | <6.2.0-1007.7 | 6.2.0-1007.7 |
| ubuntu/linux-gcp | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gcp-4.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gcp-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gcp-5.4 | <5.4.0-1106.115~18.04.1 | 5.4.0-1106.115~18.04.1 |
| ubuntu/linux-gke-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gke-5.15 | <5.15.0-1034.39~20.04.1 | 5.15.0-1034.39~20.04.1 |
| ubuntu/linux-gke-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gkeop | <5.4.0-1070.74 | 5.4.0-1070.74 |
| ubuntu/linux-gkeop | <5.15.0-1021.26 | 5.15.0-1021.26 |
| ubuntu/linux-gkeop | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gkeop-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-hwe | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-hwe-5.15 | <5.15.0-73.80~20.04.1 | 5.15.0-73.80~20.04.1 |
| ubuntu/linux-hwe-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-hwe-5.19 | <5.19.0-43.44~22.04.1 | 5.19.0-43.44~22.04.1 |
| ubuntu/linux-hwe-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-hwe-5.4 | <5.4.0-150.167~18.04.1 | 5.4.0-150.167~18.04.1 |
| ubuntu/linux-hwe-edge | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-ibm | <5.4.0-1050.55 | 5.4.0-1050.55 |
| ubuntu/linux-ibm | <5.15.0-1031.34 | 5.15.0-1031.34 |
| ubuntu/linux-ibm | <5.19.0-1023.25 | 5.19.0-1023.25 |
| ubuntu/linux-ibm | <6.2.0-1003.3 | 6.2.0-1003.3 |
| ubuntu/linux-ibm | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-ibm-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-ibm-5.4 | <5.4.0-1050.55~18.04.1 | 5.4.0-1050.55~18.04.1 |
| ubuntu/linux-intel-5.13 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-intel-iotg | <5.15.0-1031.36 | 5.15.0-1031.36 |
| ubuntu/linux-intel-iotg | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-intel-iotg-5.15 | <5.15.0-1031.36~20.04.1 | 5.15.0-1031.36~20.04.1 |
| ubuntu/linux-intel-iotg-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-kvm | <5.4.0-1092.98 | 5.4.0-1092.98 |
| ubuntu/linux-kvm | <5.15.0-1034.39 | 5.15.0-1034.39 |
| ubuntu/linux-kvm | <6.2.0-1006.6 | 6.2.0-1006.6 |
| ubuntu/linux-kvm | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-kvm | <5.19.0-1024.25 | 5.19.0-1024.25 |
| ubuntu/linux-lowlatency | <5.19.0-1025.26 | 5.19.0-1025.26 |
| ubuntu/linux-lowlatency | <6.2.0-1005.5 | 6.2.0-1005.5 |
| ubuntu/linux-lowlatency | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-lowlatency | <5.15.0-73.80 | 5.15.0-73.80 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-73.80~20.04.1 | 5.15.0-73.80~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-lowlatency-hwe-5.19 | <5.19.0-1025.26~22.04.1 | 5.19.0-1025.26~22.04.1 |
| ubuntu/linux-lowlatency-hwe-5.19 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-lts-xenial | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-5.14 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-5.17 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-5.17 | <5.17.0-1032.33 | 5.17.0-1032.33 |
| ubuntu/linux-oem-5.6 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-6.0 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-6.0 | <6.0.0-1017.17 | 6.0.0-1017.17 |
| ubuntu/linux-oem-6.1 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-6.1 | <6.1.0-1013.13 | 6.1.0-1013.13 |
| ubuntu/linux-oem-osp1 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle | <5.4.0-1102.111 | 5.4.0-1102.111 |
| ubuntu/linux-oracle | <5.15.0-1036.42 | 5.15.0-1036.42 |
| ubuntu/linux-oracle | <5.19.0-1024.27 | 5.19.0-1024.27 |
| ubuntu/linux-oracle | <6.2.0-1005.5 | 6.2.0-1005.5 |
| ubuntu/linux-oracle | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle-5.0 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle-5.13 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle-5.15 | <5.15.0-1036.42~20.04.1 | 5.15.0-1036.42~20.04.1 |
| ubuntu/linux-oracle-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oracle-5.4 | <5.4.0-1102.111~18.04.1 | 5.4.0-1102.111~18.04.1 |
| ubuntu/linux-raspi | <6.2.0-1006.8 | 6.2.0-1006.8 |
| ubuntu/linux-raspi | <5.4.0-1086.97 | 5.4.0-1086.97 |
| ubuntu/linux-raspi | <5.15.0-1030.32 | 5.15.0-1030.32 |
| ubuntu/linux-raspi | <5.19.0-1019.26 | 5.19.0-1019.26 |
| ubuntu/linux-raspi | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-raspi-5.4 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-raspi2 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-riscv | <5.19.0-1019.21 | 5.19.0-1019.21 |
| ubuntu/linux-riscv | <6.2.0-23.23.1 | 6.2.0-23.23.1 |
| ubuntu/linux-riscv | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-snapdragon | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-aws-5.0 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-azure-edge | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gcp-5.15 | <5.15.0-1035.43~20.04.1 | 5.15.0-1035.43~20.04.1 |
| ubuntu/linux-gcp-5.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gke | <5.4.0-1100.107 | 5.4.0-1100.107 |
| ubuntu/linux-gke | <5.15.0-1034.39 | 5.15.0-1034.39 |
| ubuntu/linux-gke | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gke-4.15 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-gke-5.0 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-oem-5.10 | <2.6.12~ | 2.6.12~ |
| ubuntu/linux | <5.4.0-150.167 | 5.4.0-150.167 |
| ubuntu/linux | <6.2.0-23.23 | 6.2.0-23.23 |
| ubuntu/linux | <2.6.12~ | 2.6.12~ |
| ubuntu/linux | <5.15.0-73.80 | 5.15.0-73.80 |
| ubuntu/linux | <5.19.0-43.44 | 5.19.0-43.44 |
| ubuntu/linux-aws | <5.4.0-1103.111 | 5.4.0-1103.111 |
| ubuntu/linux-aws | <6.2.0-1005.5 | 6.2.0-1005.5 |
| ubuntu/linux-aws | <2.6.12~ | 2.6.12~ |
| ubuntu/linux-aws | <5.15.0-1037.41 | 5.15.0-1037.41 |
| ubuntu/linux-aws | <5.19.0-1026.27 | 5.19.0-1026.27 |
| =20.04 | ||
| =22.04 | ||
| =22.10 | ||
| Canonical Ubuntu Linux | =20.04 | |
| Canonical Ubuntu Linux | =22.04 | |
| Canonical Ubuntu Linux | =22.10 |
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Reference Links
- https://ubuntu.com/security/CVE-2023-2612
- https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/kinetic/commit/?id=02b47547824b1cd0d55c6744f91886f04de8947e
- http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html
- https://ubuntu.com/security/notices/USN-6122-1
- https://ubuntu.com/security/notices/USN-6123-1
- https://ubuntu.com/security/notices/USN-6124-1
- https://ubuntu.com/security/notices/USN-6127-1
- https://security-tracker.debian.org/tracker/CVE-2023-2612
- https://ubuntu.com/security/notices/USN-6131-1
- https://ubuntu.com/security/notices/USN-6132-1
- https://ubuntu.com/security/notices/USN-6135-1
- https://ubuntu.com/security/notices/USN-6150-1
- https://ubuntu.com/security/notices/USN-6162-1
- https://ubuntu.com/security/notices/USN-6175-1
- https://ubuntu.com/security/notices/USN-6186-1
- https://ubuntu.com/security/notices/USN-6222-1
- https://ubuntu.com/security/notices/USN-6256-1
- https://www.cve.org/CVERecord?id=CVE-2023-2612
- https://nvd.nist.gov/vuln/detail/CVE-2023-2612
- https://launchpad.net/bugs/cve/CVE-2023-2612
- https://git.kernel.org/linus/local-CVE-2023-2612-break
- https://git.kernel.org/linus/local-CVE-2023-2612
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-latest
- collector/nvd-index
- agent/type
- agent/last-modified-date
- agent/first-publish-date
- collector/security-tracker-debian
- source/Debian
- agent/author
- agent/softwarecombine
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/remedy
- agent/severity
- agent/references
- agent/weakness
- agent/tags
- agent/event
- agent/description
- collector/usn-cve
- source/Ubuntu
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/20.04
- version/canonical ubuntu linux/22.04
- version/canonical ubuntu linux/22.10
- package-manager/ubuntu