vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-45486): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:L/Au:S/C:P/I:N/A:N) | Dec 25, 2021 | Apr 1, 2022 | Aug 18, 2025 |
Severity
3
CVSS
(AV:A/AC:L/Au:S/C:P/I:N/A:N)
Published
Dec 25, 2021
Added
Apr 1, 2022
Modified
Aug 18, 2025
Description
In the IPv4 implementation in the Linux kernel before 5.12.4, net/ipv4/route.c has an information leak because the hash table is very small.
Solutions
ubuntu-upgrade-linux-image-4-4-0-1103-awsubuntu-upgrade-linux-image-4-4-0-1104-kvmubuntu-upgrade-linux-image-4-4-0-1139-awsubuntu-upgrade-linux-image-4-4-0-223-genericubuntu-upgrade-linux-image-4-4-0-223-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenial
References
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