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 | Apr 4, 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
Apr 4, 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.
Solution(s)
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
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