vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-27365): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Mar 7, 2021
Added
Mar 20, 2021
Modified
Aug 18, 2025

Description

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.

Solutions

ubuntu-upgrade-linux-image-3-13-0-185-genericubuntu-upgrade-linux-image-3-13-0-185-generic-lpaeubuntu-upgrade-linux-image-3-13-0-185-lowlatencyubuntu-upgrade-linux-image-4-15-0-1067-oracleubuntu-upgrade-linux-image-4-15-0-1081-raspi2ubuntu-upgrade-linux-image-4-15-0-1087-kvmubuntu-upgrade-linux-image-4-15-0-1095-gcpubuntu-upgrade-linux-image-4-15-0-1096-awsubuntu-upgrade-linux-image-4-15-0-1098-snapdragonubuntu-upgrade-linux-image-4-15-0-1110-azureubuntu-upgrade-linux-image-4-15-0-139-genericubuntu-upgrade-linux-image-4-15-0-139-generic-lpaeubuntu-upgrade-linux-image-4-15-0-139-lowlatencyubuntu-upgrade-linux-image-4-4-0-1088-awsubuntu-upgrade-linux-image-4-4-0-1090-kvmubuntu-upgrade-linux-image-4-4-0-1124-awsubuntu-upgrade-linux-image-4-4-0-1148-raspi2ubuntu-upgrade-linux-image-4-4-0-1152-snapdragonubuntu-upgrade-linux-image-4-4-0-206-genericubuntu-upgrade-linux-image-4-4-0-206-generic-lpaeubuntu-upgrade-linux-image-4-4-0-206-lowlatencyubuntu-upgrade-linux-image-4-4-0-206-powerpc-e500mcubuntu-upgrade-linux-image-4-4-0-206-powerpc-smpubuntu-upgrade-linux-image-4-4-0-206-powerpc64-embubuntu-upgrade-linux-image-4-4-0-206-powerpc64-smpubuntu-upgrade-linux-image-5-10-0-1019-oemubuntu-upgrade-linux-image-5-3-0-1038-raspi2ubuntu-upgrade-linux-image-5-3-0-1041-gkeubuntu-upgrade-linux-image-5-3-0-72-genericubuntu-upgrade-linux-image-5-3-0-72-lowlatencyubuntu-upgrade-linux-image-5-4-0-1012-gkeopubuntu-upgrade-linux-image-5-4-0-1032-raspiubuntu-upgrade-linux-image-5-4-0-1036-kvmubuntu-upgrade-linux-image-5-4-0-1039-gkeubuntu-upgrade-linux-image-5-4-0-1040-gcpubuntu-upgrade-linux-image-5-4-0-1041-awsubuntu-upgrade-linux-image-5-4-0-1041-oracleubuntu-upgrade-linux-image-5-4-0-1043-azureubuntu-upgrade-linux-image-5-4-0-70-genericubuntu-upgrade-linux-image-5-4-0-70-generic-lpaeubuntu-upgrade-linux-image-5-4-0-70-lowlatencyubuntu-upgrade-linux-image-5-6-0-1052-oemubuntu-upgrade-linux-image-5-8-0-1019-raspiubuntu-upgrade-linux-image-5-8-0-1019-raspi-nolpaeubuntu-upgrade-linux-image-5-8-0-1022-kvmubuntu-upgrade-linux-image-5-8-0-1024-oracleubuntu-upgrade-linux-image-5-8-0-1026-azureubuntu-upgrade-linux-image-5-8-0-1026-gcpubuntu-upgrade-linux-image-5-8-0-1027-awsubuntu-upgrade-linux-image-5-8-0-48-genericubuntu-upgrade-linux-image-5-8-0-48-generic-64kubuntu-upgrade-linux-image-5-8-0-48-generic-lpaeubuntu-upgrade-linux-image-5-8-0-48-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-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-16-04ubuntu-upgrade-linux-image-generic-lpae-hwe-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-generic-lpae-lts-xenialubuntu-upgrade-linux-image-generic-lts-trustyubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-generic-paeubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-3ubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-3ubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-lowlatency-paeubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-powerpc-e500mcubuntu-upgrade-linux-image-powerpc-smpubuntu-upgrade-linux-image-powerpc64-embubuntu-upgrade-linux-image-powerpc64-smpubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-hwe-18-04ubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-raspi2-hwe-18-04ubuntu-upgrade-linux-image-serverubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-snapdragon-hwe-18-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-hwe-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04ubuntu-upgrade-linux-image-virtual-lts-xenial

References

    Title
    NEW

    Explore Exposure Command

    Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.