CVEvulnerability
CVE-2022-32296
3.3 LOW
Official page ↗
- Status
- Modified
- Published
- 2022-06-05
- Last modified
- 2026-10-14
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.3 LOW — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-330
Description
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.
Affected configurations
• linux linux kernel (< 5.17.9)
Related
Weakness · CWE (1)
- CWE-330 Use of Insufficiently Random Values weakness
References
- https://arxiv.org/abs/2209.12993 arxiv.org
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5 Mailing List, Patch, Vendor Advisory
- https://github.com/0xkol/rfc6056-device-tracker github.com
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html lists.debian.org
- https://www.debian.org/security/2022/dsa-5173 www.debian.org
- https://arxiv.org/abs/2209.12993 arxiv.org
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.9 Release Notes, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c2c8f03a5ab7cb04ec64724d7d176d00bcc91e5 Mailing List, Patch, Vendor Advisory
- https://github.com/0xkol/rfc6056-device-tracker github.com
- https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html lists.debian.org
- https://www.debian.org/security/2022/dsa-5173 www.debian.org
- https://cert-portal.siemens.com/productcert/html/ssa-419740.html cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html cert-portal.siemens.com