vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-38166): Linux kernel (OEM) vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:P/I:P/A:P) | Aug 7, 2021 | Sep 30, 2021 | Aug 18, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 7, 2021
Added
Sep 30, 2021
Modified
Aug 18, 2025
Description
In kernel/bpf/hashtab.c in the Linux kernel through 5.13.8, there is an integer overflow and out-of-bounds write when many elements are placed in a single bucket. NOTE: exploitation might be impractical without the CAP_SYS_ADMIN capability.
Solutions
ubuntu-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-5-13-0-1014-oemubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-edgeubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-nolpaeubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-20-04
References
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