ghsa-pmg5-cqg9-w979
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
KVM: SVM: fix panic on out-of-bounds guest IRQ
As guest_irq is coming from KVM_IRQFD API call, it may trigger crash in svm_update_pi_irte() due to out-of-bounds:
crash> bt PID: 22218 TASK: ffff951a6ad74980 CPU: 73 COMMAND: "vcpu8" #0 [ffffb1ba6707fa40] machine_kexec at ffffffff8565b397 #1 [ffffb1ba6707fa90] __crash_kexec at ffffffff85788a6d #2 [ffffb1ba6707fb58] crash_kexec at ffffffff8578995d #3 [ffffb1ba6707fb70] oops_end at ffffffff85623c0d #4 [ffffb1ba6707fb90] no_context at ffffffff856692c9 #5 [ffffb1ba6707fbf8] exc_page_fault at ffffffff85f95b51 #6 [ffffb1ba6707fc50] asm_exc_page_fault at ffffffff86000ace [exception RIP: svm_update_pi_irte+227] RIP: ffffffffc0761b53 RSP: ffffb1ba6707fd08 RFLAGS: 00010086 RAX: ffffb1ba6707fd78 RBX: ffffb1ba66d91000 RCX: 0000000000000001 RDX: 00003c803f63f1c0 RSI: 000000000000019a RDI: ffffb1ba66db2ab8 RBP: 000000000000019a R8: 0000000000000040 R9: ffff94ca41b82200 R10: ffffffffffffffcf R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000001 R14: ffffffffffffffcf R15: 000000000000005f ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 #7 [ffffb1ba6707fdb8] kvm_irq_routing_update at ffffffffc09f19a1 [kvm] #8 [ffffb1ba6707fde0] kvm_set_irq_routing at ffffffffc09f2133 [kvm] #9 [ffffb1ba6707fe18] kvm_vm_ioctl at ffffffffc09ef544 [kvm] RIP: 00007f143c36488b RSP: 00007f143a4e04b8 RFLAGS: 00000246 RAX: ffffffffffffffda RBX: 00007f05780041d0 RCX: 00007f143c36488b RDX: 00007f05780041d0 RSI: 000000004008ae6a RDI: 0000000000000020 RBP: 00000000000004e8 R8: 0000000000000008 R9: 00007f05780041e0 R10: 00007f0578004560 R11: 0000000000000246 R12: 00000000000004e0 R13: 000000000000001a R14: 00007f1424001c60 R15: 00007f0578003bc0 ORIG_RAX: 0000000000000010 CS: 0033 SS: 002b
Vmx have been fix this in commit 3a8b0677fc61 (KVM: VMX: Do not BUG() on out-of-bounds guest IRQ), so we can just copy source from that to fix this.
{
"affected": [],
"aliases": [
"CVE-2022-49154"
],
"database_specific": {
"cwe_ids": [
"CWE-617"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-02-26T07:00:52Z",
"severity": "MODERATE"
},
"details": "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\u003e 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.",
"id": "GHSA-pmg5-cqg9-w979",
"modified": "2025-09-23T15:31:07Z",
"published": "2025-09-23T15:31:07Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49154"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/0fb470eb48892e131d10aa3be6915239e65758f3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3fa2d747960521a646fc1aad7aea82e95e139a68"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a6ffdebfb6a9c2ffeed902b544b96fe67498210e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a80ced6ea514000d34bf1239d47553de0d1ee89e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/e4d153d53d9648513481eb4ef8c212e7f1f8173d"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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