{"cve":"CVE-2026-53277","nvd":{"published":"2026-06-25T09:16:45.897","modified":"2026-10-21T13:19:13.393","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation\n\nwalk_s1() and kvm_walk_nested_s2() expect to be called while holding\nkvm->srcu to guard against memslot changes. While this is generally\nthe case, __kvm_at_s12() and __kvm_find_s1_desc_level() call into the\nrespective walkers without taking kvm->srcu.\n\nFix by acquiring kvm->srcu prior to the table walk in both instances.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8},"cwes":["CWE-662","CWE-820"],"references":["https://git.kernel.org/stable/c/0648b375aa951cc15d9e90f9ac4de71e0b51fa45","https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc","https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39","https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251","https://access.redhat.com/errata/RHSA-2026:64775"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-22T16:41:11.231219466+00:00"},"epss":{"cve":"CVE-2026-53277","score":0.00107,"percentile":0.01131,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}