{"cve":"CVE-2022-49154","nvd":{"published":"2025-02-26T07:00:52.627","modified":"2026-08-04T10:17:36.600","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: fix panic on out-of-bounds guest IRQ\n\nAs guest_irq is coming from KVM_IRQFD API call, it may trigger\ncrash in svm_update_pi_irte() due to out-of-bounds:\n\ncrash> bt\nPID: 22218  TASK: ffff951a6ad74980  CPU: 73  COMMAND: \"vcpu8\"\n #0 [ffffb1ba6707fa40] machine_kexec at ffffffff8565b397\n #1 [ffffb1ba6707fa90] __crash_kexec at ffffffff85788a6d\n #2 [ffffb1ba6707fb58] crash_kexec at ffffffff8578995d\n #3 [ffffb1ba6707fb70] oops_end at ffffffff85623c0d\n #4 [ffffb1ba6707fb90] no_context at ffffffff856692c9\n #5 [ffffb1ba6707fbf8] exc_page_fault at ffffffff85f95b51\n #6 [ffffb1ba6707fc50] asm_exc_page_fault at ffffffff86000ace\n    [exception RIP: svm_update_pi_irte+227]\n    RIP: ffffffffc0761b53  RSP: ffffb1ba6707fd08  RFLAGS: 00010086\n    RAX: ffffb1ba6707fd78  RBX: ffffb1ba66d91000  RCX: 0000000000000001\n    RDX: 00003c803f63f1c0  RSI: 000000000000019a  RDI: ffffb1ba66db2ab8\n    RBP: 000000000000019a   R8: 0000000000000040   R9: ffff94ca41b82200\n    R10: ffffffffffffffcf  R11: 0000000000000001  R12: 0000000000000001\n    R13: 0000000000000001  R14: ffffffffffffffcf  R15: 000000000000005f\n    ORIG_RAX: ffffffffffffffff  CS: 0010  SS: 0018\n #7 [ffffb1ba6707fdb8] kvm_irq_routing_update at ffffffffc09f19a1 [kvm]\n #8 [ffffb1ba6707fde0] kvm_set_irq_routing at ffffffffc09f2133 [kvm]\n #9 [ffffb1ba6707fe18] kvm_vm_ioctl at ffffffffc09ef544 [kvm]\n    RIP: 00007f143c36488b  RSP: 00007f143a4e04b8  RFLAGS: 00000246\n    RAX: ffffffffffffffda  RBX: 00007f05780041d0  RCX: 00007f143c36488b\n    RDX: 00007f05780041d0  RSI: 000000004008ae6a  RDI: 0000000000000020\n    RBP: 00000000000004e8   R8: 0000000000000008   R9: 00007f05780041e0\n    R10: 00007f0578004560  R11: 0000000000000246  R12: 00000000000004e0\n    R13: 000000000000001a  R14: 00007f1424001c60  R15: 00007f0578003bc0\n    ORIG_RAX: 0000000000000010  CS: 0033  SS: 002b\n\nVmx have been fix this in commit 3a8b0677fc61 (KVM: VMX: Do not BUG() on\nout-of-bounds guest IRQ), so we can just copy source from that to fix\nthis.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-617"],"references":["https://git.kernel.org/stable/c/0fb470eb48892e131d10aa3be6915239e65758f3","https://git.kernel.org/stable/c/3fa2d747960521a646fc1aad7aea82e95e139a68","https://git.kernel.org/stable/c/a6ffdebfb6a9c2ffeed902b544b96fe67498210e","https://git.kernel.org/stable/c/a80ced6ea514000d34bf1239d47553de0d1ee89e","https://git.kernel.org/stable/c/e4d153d53d9648513481eb4ef8c212e7f1f8173d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49154","score":0.00283,"percentile":0.20865,"date":"2026-11-01"},"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."]}