Vulnerability Details : CVE-2022-1012
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.
Vulnerability category: Denial of service
Products affected by CVE-2022-1012
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.18:-:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-1012
0.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-1012
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
8.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
3.9
|
4.2
|
NIST |
CWE ids for CVE-2022-1012
-
The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory.Assigned by:
- nvd@nist.gov (Secondary)
- secalert@redhat.com (Primary)
References for CVE-2022-1012
-
https://bugzilla.redhat.com/show_bug.cgi?id=2064604
2064604 – (CVE-2022-1012) CVE-2022-1012 kernel: Small table perturb size in the TCP source port generation algorithm can lead to information leakIssue Tracking;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20221020-0006/
CVE-2022-1012 Linux Kernel Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://lore.kernel.org/lkml/20220427065233.2075-1-w@1wt.eu/T/
[PATCH net 0/7] insufficient TCP source port randomnessMailing List;Patch;Vendor Advisory
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