Vulnerability in Linux Kernel
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
EPSS exploit prediction
EPSS: 0.041 (90.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.039 · newest: 0.041 · change: +0.003
Affected products
- Linux Kernel — versions 5.18
- Kernel — versions Linux kernel version prior to 5.18-rc6
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lore.kernel.org/lkml/20220427065233.2075-1-w@1wt.eu/T/
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- security.netapp.com/advisory/ntap-20221020-0006/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2022-1012?
- CVE-2022-1012 is a high-severity vulnerability in Linux Kernel, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 8.2/10. Published 2022-08-05.
- How severe is CVE-2022-1012?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2022-1012 known to be exploited?
- 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.