vulnerability
Red Hat: CVE-2021-38209: kernel: net/netfilter/nf_conntrack_standalone.c allows observation of changes in any net namespace because these changes are leaked into all other net namespaces
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Aug 8, 2021 | Jul 9, 2025 | Jul 9, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Aug 8, 2021
Added
Jul 9, 2025
Modified
Jul 9, 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.
Solution
no-fix-redhat-rpm-package
References
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