8.8

CVE-2026-53200

KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX

In the Linux kernel, the following vulnerability has been resolved:

KVM: arm64: nv: Fix handling of XN[0] when !FEAT_XNX

XN has already been extracted from its bitfield position so using
FIELD_PREP() on the mask that clears XN[0] is completely broken, having
the effect of unconditionally granting execute permissions...

Fix the obvious mistake by manipulating the right bit.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
LinuxLinux Kernel Version >= 6.19 < 7.0.13
LinuxLinux Kernel Version7.1 Updaterc1
LinuxLinux Kernel Version7.1 Updaterc2
LinuxLinux Kernel Version7.1 Updaterc3
LinuxLinux Kernel Version7.1 Updaterc4
LinuxLinux Kernel Version7.1 Updaterc5
LinuxLinux Kernel Version7.1 Updaterc6
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.13% 0.029
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 8.8 2 6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/b95976c2ea446044553a5f469c0bae13553d75ab
Patch
https://git.kernel.org/stable/c/49b32ddb87a3a109afecea89e55d70f73956b8bc
Patch