CVE-2022-1012
Advisory lineage Upstream: 0 Downstream: 49
Modified
Published: 05 Aug 2022, 00:00
Last modified:02 Aug 2024, 23:47
Vulnerability Summary
Overall Risk (default)
medium
33/100 CVSS Score
8.2 HIGH
v3.1 (nvd)
EPSS Score
0.44% LOW
0% probability +0.16%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
05 Aug 2022, 00:00
Published
Vulnerability first disclosed
02 Aug 2024, 23:47
Last Modified
Vulnerability information updated
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
- 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: 0.44%• Percentile: 64%
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
- linux•linux_kernel
< 5.18 | 5.18 | 5.18:rc1 | 5.18:rc2 | 5.18:rc3 | 5.18:rc4 | 5.18:rc5