{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "be04cebf3e78874627dc1042991d5d504464a5cc"
            },
            {
              "fixed": "97706097f9b851cfe55c3b00b083dfc2bcf542bc"
            },
            {
              "fixed": "ec42b4ed1b072ea2d03f086061aa67bad6d8de39"
            },
            {
              "fixed": "f2ca45b50d4216c9cc7ffabf50d9ad1932209251"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.12.0"
            },
            {
              "fixed": "6.18.36"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.0.13"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53277.json"
  },
  "details": "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-\u003esrcu 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-\u003esrcu.\n\nFix by acquiring kvm-\u003esrcu prior to the table walk in both instances.",
  "id": "CVE-2026-53277",
  "modified": "2026-07-09T03:51:59.126477490Z",
  "published": "2026-06-25T08:40:00.458Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/97706097f9b851cfe55c3b00b083dfc2bcf542bc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec42b4ed1b072ea2d03f086061aa67bad6d8de39"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f2ca45b50d4216c9cc7ffabf50d9ad1932209251"
    },
    {
      "type": "WEB",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53277.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/security/cve/CVE-2026-53277"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53277.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53277"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492725"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "KVM: arm64: Take the SRCU lock for page table walks in fault injection and AT emulation"
}