vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-3753): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:P/I:N/A:N) | Sep 16, 2021 | Oct 20, 2021 | Jul 13, 2023 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
Sep 16, 2021
Added
Oct 20, 2021
Modified
Jul 13, 2023
Description
A race problem was seen in the vt_k_ioctl in drivers/tty/vt/vt_ioctl.c in the Linux kernel, which may cause an out of bounds read in vt as the write access to vc_mode is not protected by lock-in vt_ioctl (KDSETMDE). The highest threat from this vulnerability is to data confidentiality.
Solution(s)
ubuntu-upgrade-linux-image-4-15-0-1030-dell300xubuntu-upgrade-linux-image-4-15-0-1083-oracleubuntu-upgrade-linux-image-4-15-0-1098-raspi2ubuntu-upgrade-linux-image-4-15-0-1102-kvmubuntu-upgrade-linux-image-4-15-0-1111-gcpubuntu-upgrade-linux-image-4-15-0-1115-awsubuntu-upgrade-linux-image-4-15-0-1115-snapdragonubuntu-upgrade-linux-image-4-15-0-1126-azureubuntu-upgrade-linux-image-4-15-0-162-genericubuntu-upgrade-linux-image-4-15-0-162-generic-lpaeubuntu-upgrade-linux-image-4-15-0-162-lowlatencyubuntu-upgrade-linux-image-4-4-0-1120-awsubuntu-upgrade-linux-image-4-4-0-1121-kvmubuntu-upgrade-linux-image-4-4-0-1158-awsubuntu-upgrade-linux-image-4-4-0-242-genericubuntu-upgrade-linux-image-4-4-0-242-lowlatencyubuntu-upgrade-linux-image-5-10-0-1050-oemubuntu-upgrade-linux-image-5-11-0-1018-kvmubuntu-upgrade-linux-image-5-11-0-1020-awsubuntu-upgrade-linux-image-5-11-0-1020-azureubuntu-upgrade-linux-image-5-11-0-1020-oracleubuntu-upgrade-linux-image-5-11-0-1021-gcpubuntu-upgrade-linux-image-5-11-0-1021-raspiubuntu-upgrade-linux-image-5-11-0-1021-raspi-nolpaeubuntu-upgrade-linux-image-5-11-0-38-genericubuntu-upgrade-linux-image-5-11-0-38-generic-64kubuntu-upgrade-linux-image-5-11-0-38-generic-lpaeubuntu-upgrade-linux-image-5-11-0-38-lowlatencyubuntu-upgrade-linux-image-5-13-0-1017-oemubuntu-upgrade-linux-image-5-4-0-1007-ibmubuntu-upgrade-linux-image-5-4-0-1021-bluefieldubuntu-upgrade-linux-image-5-4-0-1026-gkeopubuntu-upgrade-linux-image-5-4-0-1046-raspiubuntu-upgrade-linux-image-5-4-0-1049-kvmubuntu-upgrade-linux-image-5-4-0-1055-gkeubuntu-upgrade-linux-image-5-4-0-1057-gcpubuntu-upgrade-linux-image-5-4-0-1057-oracleubuntu-upgrade-linux-image-5-4-0-1059-awsubuntu-upgrade-linux-image-5-4-0-1063-azureubuntu-upgrade-linux-image-5-4-0-90-genericubuntu-upgrade-linux-image-5-4-0-90-generic-lpaeubuntu-upgrade-linux-image-5-4-0-90-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-edgeubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-dell300xubuntu-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-ibmubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-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-20-04cubuntu-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
- CVE-2021-3753
- https://attackerkb.com/topics/CVE-2021-3753
- NVD-CVE-2021-3753
- UBUNTU-USN-4979-1
- UBUNTU-USN-5092-1
- UBUNTU-USN-5092-2
- UBUNTU-USN-5096-1
- UBUNTU-USN-5113-1
- UBUNTU-USN-5115-1
- UBUNTU-USN-5117-1
- UBUNTU-USN-5120-1
- UBUNTU-USN-5135-1
- UBUNTU-USN-5136-1
- UBUNTU-USN-5137-1
- UBUNTU-USN-5137-2
- UBUNTU-USN-5343-1
- UBUNTU-USN-6221-1
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