Vulnerability in Linux Kernel
CVE-2022-32296
The Linux kernel before 5.17.9 allows TCP servers to identify clients by observing what source ports are used. This occurs because of use of Algorithm 4 ("Double-Hash Port Selection Algorithm") of RFC 6056.
EPSS: 0.004 (35.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Mailing List, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-32296?
- CVE-2022-32296 is a low-severity vulnerability in Linux Kernel, classified under Use of Insufficiently Random Values. CVSS score: 3.3/10. Published 2022-06-05.
- How severe is CVE-2022-32296?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2022-32296 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.