KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2022-50228
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-06-18 11:15:53 UTC
Updated2026-11-05 20:17:28 UTC
DescriptionIn 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 via KVM_SET_VCPU_EVENTS (even if having at least a WARN there would be correct for KVM internally generated injections). kernel BUG at arch/x86/kvm/svm/svm.c:3386! invalid opcode: 0000 [#1] SMP CPU: 15 PID: 926 Comm: smm_test Not tainted 5.17.0-rc3+ #264 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 0.0.0 02/06/2015 RIP: 0010:svm_inject_irq+0xab/0xb0 [kvm_amd] Code: <0f> 0b 0f 1f 00 0f 1f 44 00 00 80 3d ac b3 01 00 00 55 48 89 f5 53 RSP: 0018:ffffc90000b37d88 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810a234ac0 RCX: 0000000000000006 RDX: 0000000000000000 RSI: ffffc90000b37df7 RDI: ffff88810a234ac0 RBP: ffffc90000b37df7 R08: ffff88810a1fa410 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888109571000 R14: ffff88810a234ac0 R15: 0000000000000000 FS: 0000000001821380(0000) GS:ffff88846fdc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74fc550008 CR3: 000000010a6fe000 CR4: 0000000000350ea0 Call Trace: <TASK> inject_pending_event+0x2f7/0x4c0 [kvm] kvm_arch_vcpu_ioctl_run+0x791/0x17a0 [kvm] kvm_vcpu_ioctl+0x26d/0x650 [kvm] __x64_sys_ioctl+0x82/0xb0 do_syscall_64+0x3b/0xc0 entry_SYSCALL_64_after_hwframe+0x44/0xae </TASK>

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 2c49adeb020995236e63722ef6d0bee14372f471 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 6fcbab82ccbcde915644085f73d3487938bda42d git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 c3396c1c8b87510f2ac2a674948156577559d42d git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 68e1313bb8809e8addcd9431f2bfea0e8ddbca80 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 8bb683490278005b4caf61e22b0828a04d282e86 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 6afe88fbb40eac3291a8728688d61fdc745d8008 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 3d4e2d884da6312df7c9b85fbf671de49204ead6 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 2eee1dba70f57148fc7f8252613bfae6bd4b04e3 git Not specified
CNA Linux Linux affected 219b65dcf6c0bad83d51bfa12e25891c02de2414 f17c31c48e5cde9895a491d91c424eeeada3e134 git Not specified
CNA Linux Linux affected 2.6.32 Not specified
CNA Linux Linux unaffected 2.6.32 semver Not specified
CNA Linux Linux unaffected 4.9.326 4.9.* semver Not specified
CNA Linux Linux unaffected 4.14.291 4.14.* semver Not specified
CNA Linux Linux unaffected 4.19.256 4.19.* semver Not specified
CNA Linux Linux unaffected 5.4.211 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.137 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.61 5.15.* semver Not specified
CNA Linux Linux unaffected 5.18.18 5.18.* semver Not specified
CNA Linux Linux unaffected 5.19.2 5.19.* semver Not specified
CNA Linux Linux unaffected 6.0 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/6afe88fbb40eac3291a8728688d61fdc745d8008 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/68e1313bb8809e8addcd9431f2bfea0e8ddbca80 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2eee1dba70f57148fc7f8252613bfae6bd4b04e3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6fcbab82ccbcde915644085f73d3487938bda42d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3d4e2d884da6312df7c9b85fbf671de49204ead6 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2c49adeb020995236e63722ef6d0bee14372f471 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/f17c31c48e5cde9895a491d91c424eeeada3e134 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/c3396c1c8b87510f2ac2a674948156577559d42d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/8bb683490278005b4caf61e22b0828a04d282e86 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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