vulnerability
Ubuntu: (Multiple Advisories) (CVE-2023-21400): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:M/C:C/I:C/A:C) | Jul 13, 2023 | Aug 31, 2023 | Aug 18, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:M/C:C/I:C/A:C)
Published
Jul 13, 2023
Added
Aug 31, 2023
Modified
Aug 18, 2025
Description
In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.
Solutions
ubuntu-upgrade-linux-image-5-15-0-1026-gkeopubuntu-upgrade-linux-image-5-15-0-1031-nvidiaubuntu-upgrade-linux-image-5-15-0-1031-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1036-ibmubuntu-upgrade-linux-image-5-15-0-1036-raspiubuntu-upgrade-linux-image-5-15-0-1038-intel-iotgubuntu-upgrade-linux-image-5-15-0-1040-gcpubuntu-upgrade-linux-image-5-15-0-1040-gkeubuntu-upgrade-linux-image-5-15-0-1040-kvmubuntu-upgrade-linux-image-5-15-0-1041-oracleubuntu-upgrade-linux-image-5-15-0-1043-awsubuntu-upgrade-linux-image-5-15-0-1045-azureubuntu-upgrade-linux-image-5-15-0-1045-azure-fdeubuntu-upgrade-linux-image-5-15-0-82-genericubuntu-upgrade-linux-image-5-15-0-82-generic-64kubuntu-upgrade-linux-image-5-15-0-82-generic-lpaeubuntu-upgrade-linux-image-5-15-0-82-lowlatencyubuntu-upgrade-linux-image-5-15-0-82-lowlatency-64kubuntu-upgrade-linux-image-5-4-0-1048-iotubuntu-upgrade-linux-image-5-4-0-1058-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1085-ibmubuntu-upgrade-linux-image-5-4-0-1098-bluefieldubuntu-upgrade-linux-image-5-4-0-1122-raspiubuntu-upgrade-linux-image-5-4-0-1126-kvmubuntu-upgrade-linux-image-5-4-0-1137-oracleubuntu-upgrade-linux-image-5-4-0-1139-awsubuntu-upgrade-linux-image-5-4-0-1142-gcpubuntu-upgrade-linux-image-5-4-0-1143-azureubuntu-upgrade-linux-image-5-4-0-205-genericubuntu-upgrade-linux-image-5-4-0-205-generic-lpaeubuntu-upgrade-linux-image-5-4-0-205-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fde-lts-22-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-20-04ubuntu-upgrade-linux-image-oracle-lts-22-04ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-xilinx-zynqmp
References
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