vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3348): Linux kernel (OEM) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:N/C:P/I:P/A:P) | Feb 1, 2021 | Mar 21, 2021 | Aug 18, 2025 |
Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Feb 1, 2021
Added
Mar 21, 2021
Modified
Aug 18, 2025
Description
nbd_add_socket in drivers/block/nbd.c in the Linux kernel through 5.10.12 has an ndb_queue_rq use-after-free that could be triggered by local attackers (with access to the nbd device) via an I/O request at a certain point during device setup, aka CID-b98e762e3d71.
Solutions
ubuntu-upgrade-linux-image-4-15-0-1016-dell300xubuntu-upgrade-linux-image-4-15-0-1069-oracleubuntu-upgrade-linux-image-4-15-0-1083-raspi2ubuntu-upgrade-linux-image-4-15-0-1089-kvmubuntu-upgrade-linux-image-4-15-0-1097-gcpubuntu-upgrade-linux-image-4-15-0-1098-awsubuntu-upgrade-linux-image-4-15-0-1100-snapdragonubuntu-upgrade-linux-image-4-15-0-1112-azureubuntu-upgrade-linux-image-4-15-0-141-genericubuntu-upgrade-linux-image-4-15-0-141-generic-lpaeubuntu-upgrade-linux-image-4-15-0-141-lowlatencyubuntu-upgrade-linux-image-5-10-0-1017-oemubuntu-upgrade-linux-image-5-4-0-1013-gkeopubuntu-upgrade-linux-image-5-4-0-1033-raspiubuntu-upgrade-linux-image-5-4-0-1037-kvmubuntu-upgrade-linux-image-5-4-0-1040-gkeubuntu-upgrade-linux-image-5-4-0-1041-gcpubuntu-upgrade-linux-image-5-4-0-1042-oracleubuntu-upgrade-linux-image-5-4-0-1043-awsubuntu-upgrade-linux-image-5-4-0-1044-azureubuntu-upgrade-linux-image-5-4-0-71-genericubuntu-upgrade-linux-image-5-4-0-71-generic-lpaeubuntu-upgrade-linux-image-5-4-0-71-lowlatencyubuntu-upgrade-linux-image-5-8-0-1020-raspiubuntu-upgrade-linux-image-5-8-0-1020-raspi-nolpaeubuntu-upgrade-linux-image-5-8-0-1023-kvmubuntu-upgrade-linux-image-5-8-0-1025-oracleubuntu-upgrade-linux-image-5-8-0-1027-azureubuntu-upgrade-linux-image-5-8-0-1027-gcpubuntu-upgrade-linux-image-5-8-0-1028-awsubuntu-upgrade-linux-image-5-8-0-49-genericubuntu-upgrade-linux-image-5-8-0-49-generic-64kubuntu-upgrade-linux-image-5-8-0-49-generic-lpaeubuntu-upgrade-linux-image-5-8-0-49-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-lts-18-04ubuntu-upgrade-linux-image-dell300xubuntu-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-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-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-20-04bubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-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-18-04ubuntu-upgrade-linux-image-virtual-hwe-20-04
References
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