vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-4135): Linux kernel (OEM) vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
2022-01-25
Added
2022-02-09
Modified
2025-01-30

Description

A memory leak vulnerability was found in the Linux kernel's eBPF for the Simulated networking device driver in the way user uses BPF for the device such that function nsim_map_alloc_elem being called. A local user could use this flaw to get unauthorized access to some data.

Solution(s)

ubuntu-upgrade-linux-image-5-13-0-1018-kvmubuntu-upgrade-linux-image-5-13-0-1019-awsubuntu-upgrade-linux-image-5-13-0-1021-azureubuntu-upgrade-linux-image-5-13-0-1021-gcpubuntu-upgrade-linux-image-5-13-0-1022-raspiubuntu-upgrade-linux-image-5-13-0-1022-raspi-nolpaeubuntu-upgrade-linux-image-5-13-0-1023-oracleubuntu-upgrade-linux-image-5-13-0-1025-oracleubuntu-upgrade-linux-image-5-13-0-37-genericubuntu-upgrade-linux-image-5-13-0-37-generic-64kubuntu-upgrade-linux-image-5-13-0-37-generic-lpaeubuntu-upgrade-linux-image-5-13-0-37-lowlatencyubuntu-upgrade-linux-image-5-14-0-1022-oemubuntu-upgrade-linux-image-5-4-0-1018-ibmubuntu-upgrade-linux-image-5-4-0-1032-bluefieldubuntu-upgrade-linux-image-5-4-0-1037-gkeopubuntu-upgrade-linux-image-5-4-0-105-genericubuntu-upgrade-linux-image-5-4-0-105-generic-lpaeubuntu-upgrade-linux-image-5-4-0-105-lowlatencyubuntu-upgrade-linux-image-5-4-0-1056-raspiubuntu-upgrade-linux-image-5-4-0-1059-kvmubuntu-upgrade-linux-image-5-4-0-1066-gkeubuntu-upgrade-linux-image-5-4-0-1067-oracleubuntu-upgrade-linux-image-5-4-0-1068-gcpubuntu-upgrade-linux-image-5-4-0-1069-awsubuntu-upgrade-linux-image-5-4-0-1073-azureubuntu-upgrade-linux-image-5-4-0-1073-azure-fdeubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-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-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-4ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-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-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-20-04
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