CVE-2022-1012
Vulnerability Summary
Timeline
Description
A memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
CVSS Metrics
- v4.0•LOW•Score: 2.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- v3.1•HIGH•Score: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
EPSS Trends
Current EPSS score: 3.86%• Percentile: 90%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- debian•linux
< 5.10.127-1 | < 5.17.11-1 | < 5.17.11-1 | < 5.17.11-1
- ubuntu•linux
all | < 4.15.0-194.205 | < 5.4.0-126.142 | < 5.15.0-47.51
- ubuntu•linux-aws
all | < 4.15.0-1142.154 | < 5.4.0-1085.92 | < 5.15.0-1019.23
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1019.23~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1085.92~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2081.87 | all | < 5.4.0-1085.92+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1142.154~16.04.1
- ubuntu•linux-azure
< 4.15.0-1153.168~14.04.1 | < 4.15.0-1153.168~16.04.1 | all | < 5.4.0-1091.96 | < 5.15.0-1019.24
- ubuntu•linux-azure-4.15
< 4.15.0-1153.168
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1019.24~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1091.96~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fips
< 4.15.0-2062.68 | all | < 5.4.0-1091.96+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1046.51
- ubuntu•linux-dell300x
< 4.15.0-1054.59
- ubuntu•linux-fips
all | < 4.15.0-1099.110 | < 5.4.0-1061.69
- ubuntu•linux-gcp
< 4.15.0-1137.153~16.04.1 | all | < 5.4.0-1089.97 | < 5.15.0-1017.23
- ubuntu•linux-gcp-4.15
< 4.15.0-1137.153
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1017.23~20.04.2
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1089.97~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2047.52 | all | < 5.4.0-1089.97+fips1
- ubuntu•linux-gke
< 5.4.0-1083.89 | < 5.15.0-1015.18
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1015.18~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1053.56 | < 5.15.0-1002.4
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-194.205~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-48.54~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-126.142~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1033.37 | < 5.15.0-1013.15
- ubuntu•linux-ibm-5.4
< 5.4.0-1033.37~18.04.1
Showing first 50 affected entries in server-rendered view.
References (27)
- https://lore.kernel.org/lkml/20220427065233.2075-1-w%401wt.eu/T/
- https://bugzilla.redhat.com/show_bug.cgi?id=2064604
- https://security.netapp.com/advisory/ntap-20221020-0006/
- https://ubuntu.com/security/CVE-2022-1012
- https://git.kernel.org/linus/b2d057560b8107c633b39aabe517ff9d93f285e3
- https://lore.kernel.org/lkml/20220427065233.2075-1-w@1wt.eu/T/
- https://ubuntu.com/security/notices/USN-5471-1
- https://ubuntu.com/security/notices/USN-5594-1
- https://ubuntu.com/security/notices/USN-5599-1
- https://ubuntu.com/security/notices/USN-5602-1
- https://ubuntu.com/security/notices/USN-5616-1
- https://ubuntu.com/security/notices/USN-5622-1
- https://ubuntu.com/security/notices/USN-5623-1
- https://ubuntu.com/security/notices/USN-5630-1
- https://ubuntu.com/security/notices/USN-5639-1
- https://ubuntu.com/security/notices/USN-5647-1
- https://ubuntu.com/security/notices/USN-5654-1
- https://ubuntu.com/security/notices/USN-5660-1
- https://ubuntu.com/security/notices/USN-5669-1
- https://ubuntu.com/security/notices/USN-5669-2
- https://ubuntu.com/security/notices/USN-5678-1
- https://ubuntu.com/security/notices/USN-5679-1
- https://ubuntu.com/security/notices/USN-5684-1
- https://ubuntu.com/security/notices/USN-5687-1
- https://ubuntu.com/security/notices/USN-5695-1
- https://www.cve.org/CVERecord?id=CVE-2022-1012
- https://security-tracker.debian.org/tracker/CVE-2022-1012