vulnerability
Ubuntu: (CVE-2021-38209): linux vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Aug 8, 2021 | Nov 19, 2024 | Sep 1, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 8, 2021
Added
Nov 19, 2024
Modified
Sep 1, 2025
Description
net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. This is related to the NF_SYSCTL_CT_MAX, NF_SYSCTL_CT_EXPECT_MAX, and NF_SYSCTL_CT_BUCKETS sysctls.
Solutions
ubuntu-upgrade-linuxubuntu-upgrade-linux-awsubuntu-upgrade-linux-azureubuntu-upgrade-linux-azure-5-8ubuntu-upgrade-linux-bluefieldubuntu-upgrade-linux-gcpubuntu-upgrade-linux-hwe-5-8ubuntu-upgrade-linux-kvmubuntu-upgrade-linux-oem-5-10ubuntu-upgrade-linux-oracleubuntu-upgrade-linux-raspiubuntu-upgrade-linux-riscv
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