Ubuntu.comUB:CVE-2021-38209CVE-2021-38209
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
11.7%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 21.04 | noarch | linux | < 5.11.0-22.23 | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-aws | < 5.11.0-1011.11 | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-azure | < 5.11.0-1009.9 | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-azure-5.8 | < 5.8.0-1036.38~20.04.1 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-azure-fde | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-bluefield | < 5.4.0-1016.19 | UNKNOWN |
| ubuntu | 21.04 | noarch | linux-gcp | < 5.11.0-1011.12 | UNKNOWN |
| ubuntu | 22.04 | noarch | linux-gkeop | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-gkeop-5.15 | < any | UNKNOWN |
| ubuntu | 20.04 | noarch | linux-hwe-5.8 | < 5.8.0-59.66~20.04.1 | UNKNOWN |
References
Related
3.3 Low
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
11.7%