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CVE-2026-80847: Linux 2.6.12
CVE-2026-80847 affects azl3 kernel 6.6.150.1-1 on Azure Linux 3.0. CVSS 3.1 base score 4.4 (Microsoft Security Response Center). EPSS 0.00168 (percentile 0.0549), scored 05-Oct-2026.
Affected technology
Linux · 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before eaf4af9bd6975c2eff8d48820937c83032d968dc, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before cfb44c6028e6f979720315e0772bbd0d4d33ed61, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 6b8c20bf61924dfc38fefb145c9f7406d73fae53, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 31cf2349361902769dc323e4dbf4b449795ec288, 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 870a9e42ecc6fe1b8c25d87af043cb0d9c178fe1
Linux
Linux · 2.6.12
Linux
Component: Not specified by the source
File: include/net/tcp.h, net/ipv4/tcp_ipv4.c, net/ipv4/tcp_minisocks.c, net/ipv4/tcp_output.c, net/ipv6/tcp_ipv6.c
Attack conditions (Microsoft Security Response Center, CVSS 3.1): Local · High privileges required · No user interaction required
What an attacker can do
Microsoft Security Response Center’s CVSS 3.1 assessment rates confidentiality and integrity impact as none; availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.
- Product
- azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
- CCR priority
- 17.6 /100 (P5)
- CVSS 3.1
- 4.4 /10 · CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H · Microsoft Security Response Center
- EPSS
- 0.00168 · percentile 0.05668 · 2026-10-17
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-18 12:55:59.341568+00:00 UTC
- Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-19 10:33:46.008150+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-80847.html