{"id":"CVE-2022-50228","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-50228","generatedAt":"2026-10-27T18:48:59.116Z","title":"In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 Don't BUG/WARN on interrupt injection due to GIF being cleared, since it's trivial for userspace to force the situation…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0\n\nDon't BUG/WARN on interrupt injection due to GIF being cleared,\nsince it's trivial for userspace to force the situation via\nKVM_SET_VCPU_EVENTS (even if having at least a WARN there would be correct\nfor KVM internally generated injections).\n\n  kernel BUG at arch/x86/kvm/svm/svm.c:3386!\n  invalid opcode: 0000 [#1] SMP\n  CPU: 15 PID: 926 Comm: smm_test Not tainted 5.17.0-rc3+ #264\n  Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015\n  RIP: 0010:svm_inject_irq+0xab/0xb0 [kvm_amd]\n  Code: <0f> 0b 0f 1f 00 0f 1f 44 00 00 80 3d ac b3 01 00 00 55 48 89 f5 53\n  RSP: 0018:ffffc90000b37d88 EFLAGS: 00010246\n  RAX: 0000000000000000 RBX: ffff88810a234ac0 RCX: 0000000000000006\n  RDX: 0000000000000000 RSI: ffffc90000b37df7 RDI: ffff88810a234ac0\n  RBP: ffffc90000b37df7 R08: ffff88810a1fa410 R09: 0000000000000000\n  R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000\n  R13: ffff888109571000 R14: ffff88810a234ac0 R15: 0000000000000000\n  FS:  0000000001821380(0000) GS:ffff88846fdc0000(0000) knlGS:0000000000000000\n  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n  CR2: 00007f74fc550008 CR3: 000000010a6fe000 CR4: 0000000000350ea0\n  Call Trace:\n   <TASK>\n   inject_pending_event+0x2f7/0x4c0 [kvm]\n   kvm_arch_vcpu_ioctl_run+0x791/0x17a0 [kvm]\n   kvm_vcpu_ioctl+0x26d/0x650 [kvm]\n   __x64_sys_ioctl+0x82/0xb0\n   do_syscall_64+0x3b/0xc0\n   entry_SYSCALL_64_after_hwframe+0x44/0xae\n   </TASK>","published":"2025-06-18T11:15:54.000Z","lastModified":"2026-06-17T05:23:01.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["linux/linux kernel"],"epss":{"score":0.00275,"percentile":0.19705,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/2c49adeb020995236e63722ef6d0bee14372f471","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2eee1dba70f57148fc7f8252613bfae6bd4b04e3","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3d4e2d884da6312df7c9b85fbf671de49204ead6","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/68e1313bb8809e8addcd9431f2bfea0e8ddbca80","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6afe88fbb40eac3291a8728688d61fdc745d8008","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6fcbab82ccbcde915644085f73d3487938bda42d","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8bb683490278005b4caf61e22b0828a04d282e86","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c3396c1c8b87510f2ac2a674948156577559d42d","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f17c31c48e5cde9895a491d91c424eeeada3e134","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-50228","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}