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CVE-2026-63858: Linux 5.19
CVE-2026-63858. CVSS 3.1 base score 7.8 (HIGH, Source advisory). EPSS 0.00118 (percentile 0.01615), scored 14-Oct-2026.
Affected technology
Linux · b6d9014a3335194590abdd2a2471ef5147a67645 to before 768daa9f4276be4007e88dea61a378c8582ba008, b6d9014a3335194590abdd2a2471ef5147a67645 to before 4e69bfb32b2db323d9205fdb30e284481b37817c, b6d9014a3335194590abdd2a2471ef5147a67645 to before 10f79dbd7719d1da9f5884d13060322d8729f091, 7a248f9c74f9f62799718c12efd9e9e391d60b6f, f275989ad04159dbfc62cefb65ba9c5ba1d7c34f, 62d91062058b42bf70b2c3446aec397bb0ce15ee, 99180dec5ae582227219d1fdd0dd5ccf53ec7491, 5.10.122 to before 5.11, 5.15.47 to before 5.16, 5.17.15 to before 5.18, 5.18.4 to before 5.19
Linux
Linux · 5.19
Linux
Component: Not specified by the source
File: include/net/netfilter/nf_tables.h, net/netfilter/nf_tables_api.c
Attack conditions (Source advisory, CVSS 3.1): Local · Low privileges required · No user interaction required
What an attacker can do
Source advisory’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- CCR priority
- 31.2 /100 (P4)
- CVSS 3.1
- 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00118 · percentile 0.01615 · 2026-10-14
- KEV
- no
Provenance
- GitHub Advisory Database · Source record · observed 2026-10-15 12:39:55.759815+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-15 11:57:11.427822+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-63858.html