185 lines
8.8 KiB
JSON
185 lines
8.8 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-2026-43007",
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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": "2026-05-01T14:12:55.974Z",
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"datePublished": "2026-05-01T14:15:14.914Z",
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"dateUpdated": "2026-05-11T22:15:54.042Z"
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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": "2026-05-11T22:15:54.042Z"
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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\naccel/qaic: Handle DBC deactivation if the owner went away\n\nWhen a DBC is released, the device sends a QAIC_TRANS_DEACTIVATE_FROM_DEV\ntransaction to the host over the QAIC_CONTROL MHI channel. QAIC handles\nthis by calling decode_deactivate() to release the resources allocated for\nthat DBC. Since that handling is done in the qaic_manage_ioctl() context,\nif the user goes away before receiving and handling the deactivation, the\nhost will be out-of-sync with the DBCs available for use, and the DBC\nresources will not be freed unless the device is removed. If another user\nloads and requests to activate a network, then the device assigns the same\nDBC to that network, QAIC will \"indefinitely\" wait for dbc->in_use = false,\nleading the user process to hang.\n\nAs a solution to this, handle QAIC_TRANS_DEACTIVATE_FROM_DEV transactions\nthat are received after the user has gone away."
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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/accel/qaic/qaic_control.c"
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],
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"versions": [
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{
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"version": "129776ac2e38231fa9c02ce20e116c99de291666",
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"lessThan": "2dd67966f39a2abf8ccb4865031c722e40e01b7f",
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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": "129776ac2e38231fa9c02ce20e116c99de291666",
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"lessThan": "08021f2d4a557d6491e3bcc288e96425f50aa3cf",
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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": "129776ac2e38231fa9c02ce20e116c99de291666",
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"lessThan": "f403094d9075d7c565a3d81002b781c325cb3c07",
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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": "129776ac2e38231fa9c02ce20e116c99de291666",
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"lessThan": "ee0180e77e6c8482644569632065411de844c515",
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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": "129776ac2e38231fa9c02ce20e116c99de291666",
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"lessThan": "2feec5ae5df785658924ab6bd91280dc3926507c",
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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/accel/qaic/qaic_control.c"
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],
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"versions": [
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{
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"version": "6.4",
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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": "6.4",
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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": "6.6.134",
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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": "6.12.81",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.22",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.12",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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"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": "6.4",
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"versionEndExcluding": "6.6.134"
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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": "6.4",
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"versionEndExcluding": "6.12.81"
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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": "6.4",
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"versionEndExcluding": "6.18.22"
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.4",
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"versionEndExcluding": "6.19.12"
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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": "6.4",
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"versionEndExcluding": "7.0"
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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/2dd67966f39a2abf8ccb4865031c722e40e01b7f"
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},
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{
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"url": "https://git.kernel.org/stable/c/08021f2d4a557d6491e3bcc288e96425f50aa3cf"
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},
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{
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"url": "https://git.kernel.org/stable/c/f403094d9075d7c565a3d81002b781c325cb3c07"
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},
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{
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"url": "https://git.kernel.org/stable/c/ee0180e77e6c8482644569632065411de844c515"
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},
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{
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"url": "https://git.kernel.org/stable/c/2feec5ae5df785658924ab6bd91280dc3926507c"
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}
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],
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"title": "accel/qaic: Handle DBC deactivation if the owner went away",
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"x_generator": {
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