vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-23134): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | May 12, 2021 | Jun 23, 2021 | Mar 27, 2026 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
May 12, 2021
Added
Jun 23, 2021
Modified
Mar 27, 2026
Description
Use After Free vulnerability in nfc sockets in the Linux Kernel before 5.12.4 allows local attackers to elevate their privileges. In typical configurations, the issue can only be triggered by a privileged local user with the CAP_NET_RAW capability.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1078-oracleubuntu-upgrade-linux-image-4-15-0-1092-raspi2ubuntu-upgrade-linux-image-4-15-0-1097-kvmubuntu-upgrade-linux-image-4-15-0-1106-gcpubuntu-upgrade-linux-image-4-15-0-1109-awsubuntu-upgrade-linux-image-4-15-0-1109-snapdragonubuntu-upgrade-linux-image-4-15-0-1121-azureubuntu-upgrade-linux-image-4-15-0-151-genericubuntu-upgrade-linux-image-4-15-0-151-generic-lpaeubuntu-upgrade-linux-image-4-15-0-151-lowlatencyubuntu-upgrade-linux-image-4-4-0-1102-awsubuntu-upgrade-linux-image-4-4-0-1103-kvmubuntu-upgrade-linux-image-4-4-0-1138-awsubuntu-upgrade-linux-image-4-4-0-222-genericubuntu-upgrade-linux-image-4-4-0-222-lowlatencyubuntu-upgrade-linux-image-5-10-0-1033-oemubuntu-upgrade-linux-image-5-11-0-1009-azureubuntu-upgrade-linux-image-5-11-0-1009-kvmubuntu-upgrade-linux-image-5-11-0-1010-oracleubuntu-upgrade-linux-image-5-11-0-1011-awsubuntu-upgrade-linux-image-5-11-0-1011-gcpubuntu-upgrade-linux-image-5-11-0-1012-raspiubuntu-upgrade-linux-image-5-11-0-1012-raspi-nolpaeubuntu-upgrade-linux-image-5-11-0-22-genericubuntu-upgrade-linux-image-5-11-0-22-generic-64kubuntu-upgrade-linux-image-5-11-0-22-generic-lpaeubuntu-upgrade-linux-image-5-11-0-22-lowlatencyubuntu-upgrade-linux-image-5-4-0-1018-gkeopubuntu-upgrade-linux-image-5-4-0-1038-raspiubuntu-upgrade-linux-image-5-4-0-1041-kvmubuntu-upgrade-linux-image-5-4-0-1046-gcpubuntu-upgrade-linux-image-5-4-0-1046-gkeubuntu-upgrade-linux-image-5-4-0-1048-oracleubuntu-upgrade-linux-image-5-4-0-1051-awsubuntu-upgrade-linux-image-5-4-0-1051-azureubuntu-upgrade-linux-image-5-4-0-77-genericubuntu-upgrade-linux-image-5-4-0-77-generic-lpaeubuntu-upgrade-linux-image-5-4-0-77-lowlatencyubuntu-upgrade-linux-image-5-8-0-1032-raspiubuntu-upgrade-linux-image-5-8-0-1032-raspi-nolpaeubuntu-upgrade-linux-image-5-8-0-1033-kvmubuntu-upgrade-linux-image-5-8-0-1037-oracleubuntu-upgrade-linux-image-5-8-0-1038-gcpubuntu-upgrade-linux-image-5-8-0-1039-azureubuntu-upgrade-linux-image-5-8-0-1041-awsubuntu-upgrade-linux-image-5-8-0-63-genericubuntu-upgrade-linux-image-5-8-0-63-generic-64kubuntu-upgrade-linux-image-5-8-0-63-generic-lpaeubuntu-upgrade-linux-image-5-8-0-63-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-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-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-18-04ubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-4ubuntu-upgrade-linux-image-gkeopubuntu-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-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-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-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
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.