248 lines
13 KiB
JSON
248 lines
13 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2023-52453",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-02-20T12:30:33.293Z",
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"datePublished": "2024-02-23T14:46:17.082Z",
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"dateUpdated": "2026-08-05T09:10:03.119Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T09:10:03.119Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume\n\nWhen the optional PRE_COPY support was added to speed up the device\ncompatibility check, it failed to update the saving/resuming data\npointers based on the fd offset. This results in migration data\ncorruption and when the device gets started on the destination the\nfollowing error is reported in some cases,\n\n[ 478.907684] arm-smmu-v3 arm-smmu-v3.2.auto: event 0x10 received:\n[ 478.913691] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000310200000010\n[ 478.919603] arm-smmu-v3 arm-smmu-v3.2.auto: 0x000002088000007f\n[ 478.925515] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000000000000000\n[ 478.931425] arm-smmu-v3 arm-smmu-v3.2.auto: 0x0000000000000000\n[ 478.947552] hisi_zip 0000:31:00.0: qm_axi_rresp [error status=0x1] found\n[ 478.955930] hisi_zip 0000:31:00.0: qm_db_timeout [error status=0x400] found\n[ 478.955944] hisi_zip 0000:31:00.0: qm sq doorbell timeout in function 2"
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
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"baseScore": 7.1,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - The vulnerable save/resume paths are reached only via local VFIO migration file descriptors obtained through VFIO_DEVICE_FEATURE migration ioctls on a bound HiSilicon ACC VF; there is no network or adjacent-protocol reachability.\nAC:L - An attacker who can drive live migration reliably triggers the bug by performing normal multi-chunk read/write of the migration FD (as QEMU does); success does not depend on races or other conditions outside attacker control.\nPR:L - Exploitation requires access to the VFIO device/migration FD (typically a qemu/kvm-group process with an assigned ACC VF), which is low privilege relative to full root and does not require init-namespace CAP_SYS_ADMIN once the device is assigned.\nUI:N - No separate victim action is required; the attacker (or their VMM process) initiates migration state transitions and I/O on the migration FD themselves.\nS:U - The flaw is in the host VFIO migration driver and impacts the same host security authority (device/IOMMU faults and PF error reporting); it is not a guest-to-host escape or IOMMU bypass.\nC:N - Both the buggy read and write stay within the bounded acc_vf_data object and only mishandle the intended migration payload; there is no out-of-bounds or unauthorized kernel memory disclosure.\nI:H - Corrupted migration contents are loaded into hardware via vf_qm_load_data (registers and DMA addresses such as eqe/aeqe/sqc/cqc), so device configuration integrity is fully compromised and shared PF state can be affected.\nA:H - Loading the corrupted state causes SMMU translation faults, QM AXI response errors, and doorbell timeouts that render the accelerator VF (and potentially PF services) unavailable."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c"
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],
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"versions": [
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{
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"version": "d9a871e4a143047d1d84a606772af319f11516f9",
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"lessThan": "45f80b2f230df10600e6fa1b83b28bf1c334185e",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d9a871e4a143047d1d84a606772af319f11516f9",
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"lessThan": "6bda81e24a35a856f58e6a5786de579b07371603",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d9a871e4a143047d1d84a606772af319f11516f9",
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"lessThan": "be12ad45e15b5ee0e2526a50266ba1d295d26a88",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/vfio/pci/hisilicon/hisi_acc_vfio_pci.c"
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],
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"versions": [
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{
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"version": "6.2",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.2",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.14",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.7.2",
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"lessThanOrEqual": "6.7.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.8",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.2",
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"versionEndExcluding": "6.6.14"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.2",
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"versionEndExcluding": "6.7.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.2",
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"versionEndExcluding": "6.8"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/45f80b2f230df10600e6fa1b83b28bf1c334185e"
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},
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{
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"url": "https://git.kernel.org/stable/c/6bda81e24a35a856f58e6a5786de579b07371603"
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},
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{
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"url": "https://git.kernel.org/stable/c/be12ad45e15b5ee0e2526a50266ba1d295d26a88"
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}
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],
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"title": "hisi_acc_vfio_pci: Update migration data pointer correctly on saving/resume",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"lang": "en",
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"description": "CWE-noinfo Not enough information"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2025-10-01T19:12:05.859768Z",
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"id": "CVE-2023-52453",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2025-10-01T19:12:14.044Z"
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}
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},
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{
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"shortName": "CVE",
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"dateUpdated": "2024-08-02T23:03:19.607Z"
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},
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/45f80b2f230df10600e6fa1b83b28bf1c334185e",
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"tags": [
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{
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"tags": [
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} |