CVE-2026-31786: linux kernel from 4.13 (inclusive), before 5.10.254 (exclusive), from 5.11 (inclusive), before 5.15.204 (exclusive)…

Affected technology

linux kernel · from 4.13 (inclusive), before 5.10.254 (exclusive)
linux

linux kernel · from 5.11 (inclusive), before 5.15.204 (exclusive)
linux

linux kernel · from 5.16 (inclusive), before 6.1.170 (exclusive)
linux

linux kernel · from 6.2 (inclusive), before 6.6.137 (exclusive)
linux

linux kernel · from 6.7 (inclusive), before 6.12.85 (exclusive)
linux

linux kernel · from 6.13 (inclusive), before 6.18.26 (exclusive)
linux

linux kernel · from 6.19 (inclusive), before 7.0.3 (exclusive)
linux

linux kernel · 7.1 · update rc1
linux

linux kernel · 7.1 · update rc2
linux

Linux · 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before e3af585e1728c917682b6a3de9a69b41fb9194d4, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before 8288d031a01dbacfde3fc643f7be3d23504de64d, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before f458ba102da97fafca106327086fc95f3fc764cb, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before 4b4defd2fce3f966c25adabf46644a85558f1169, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before 5c5ff7c7bd15bb536f44b10b3fb5b8408f344d0a, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before d5f59216650c51e5e3fcb7517c825bc8047f60ef, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before 52cecff98bda2c51eed1c6ce9d21c5d6268fb19d, 84b7625728ea311ea35bdaa0eded53c1c56baeaa to before 27fdbab4221b375de54bf91919798d88520c6e28
Linux

Linux · 4.13
Linux

Component: Not specified by the source
File: drivers/xen/sys-hypervisor.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.