CVE-2025-37998
Medium
Elevated severity or exploit probability.
CVSS base
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.2%
15.6th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2025-05-29 · modified 2026-07-30
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | L | Low |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | H | High |
Timeline
- 2025-05-29 — Published (NVD)
- 2026-07-30 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: openvswitch: Fix unsafe attribute parsing in output_userspace() This patch replaces the manual Netlink attribute iteration in output_userspace() with nla_for_each_nested(), which ensures that only well-formed attributes are processed.
Affected
References
- https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501
- https://git.kernel.org/stable/c/06b4f110c79716c181a8c5da007c259807840232
- https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395
- https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430
- https://git.kernel.org/stable/c/6712dc21506738f5f22b4f68b7c0d9e0df819dbd
- https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308
- https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87
- https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd
- https://www.zerodayinitiative.com/advisories/ZDI-25-307/
- https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html