229 lines
11 KiB
JSON
229 lines
11 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-2026-23207",
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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": "2026-01-13T15:37:45.986Z",
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"datePublished": "2026-02-14T16:27:29.762Z",
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"dateUpdated": "2026-11-05T21:23:22.178Z"
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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": "2026-10-30T12:23:47.371Z"
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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\nspi: tegra210-quad: Protect curr_xfer check in IRQ handler\n\nNow that all other accesses to curr_xfer are done under the lock,\nprotect the curr_xfer NULL check in tegra_qspi_isr_thread() with the\nspinlock. Without this protection, the following race can occur:\n\n CPU0 (ISR thread) CPU1 (timeout path)\n ---------------- -------------------\n if (!tqspi->curr_xfer)\n // sees non-NULL\n spin_lock()\n tqspi->curr_xfer = NULL\n spin_unlock()\n handle_*_xfer()\n spin_lock()\n t = tqspi->curr_xfer // NULL!\n ... t->len ... // NULL dereference!\n\nWith this patch, all curr_xfer accesses are now properly synchronized.\n\nAlthough all accesses to curr_xfer are done under the lock, in\ntegra_qspi_isr_thread() it checks for NULL, releases the lock and\nreacquires it later in handle_cpu_based_xfer()/handle_dma_based_xfer().\nThere is a potential for an update in between, which could cause a NULL\npointer dereference.\n\nTo handle this, add a NULL check inside the handlers after acquiring\nthe lock. This ensures that if the timeout path has already cleared\ncurr_xfer, the handler will safely return without dereferencing the\nNULL pointer."
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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/spi/spi-tegra210-quad.c"
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],
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"versions": [
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{
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"version": "83309dd551cfd60a5a1a98d9cab19f435b44d46d",
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"lessThan": "8261fa3da6e9001be95a54b857df9759e9098d2f",
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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": "c934e40246da2c5726d14e94719c514e30840df8",
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"lessThan": "513587caec66b67243027f26867ad3512f06744f",
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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": "551060efb156c50fe33799038ba8145418cfdeef",
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"lessThan": "84e926c1c272a35ddb9b86842d32fa833a60dfc7",
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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": "01bbf25c767219b14c3235bfa85906b8d2cb8fbc",
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"lessThan": "2ac3a105e51496147c0e44e49466eecfcc532d57",
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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": "b4e002d8a7cee3b1d70efad0e222567f92a73000",
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"lessThan": "edf9088b6e1d6d88982db7eb5e736a0e4fbcc09e",
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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": "88db8bb7ed1bb474618acdf05ebd4f0758d244e2",
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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": "bb0c58be84f907285af45657c1d4847b960a12bf",
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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": "5.15.198",
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"lessThan": "5.16",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.17.13",
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"lessThan": "6.18",
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"status": "affected",
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"versionType": "semver"
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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": "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/spi/spi-tegra210-quad.c"
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],
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"versions": [
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{
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"version": "6.1.160",
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"lessThan": "6.1.191",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.120",
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"lessThan": "6.6.160",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.12.63",
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"lessThan": "6.12.80",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.18.2",
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"lessThan": "6.18.10",
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"status": "affected",
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"versionType": "semver"
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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": "6.1.160",
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"versionEndExcluding": "6.1.191"
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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": "6.6.120",
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"versionEndExcluding": "6.6.160"
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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": "6.12.63",
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"versionEndExcluding": "6.12.80"
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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": "6.18.2",
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"versionEndExcluding": "6.18.10"
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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": "5.15.198"
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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": "6.17.13"
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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/8261fa3da6e9001be95a54b857df9759e9098d2f"
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},
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{
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"url": "https://git.kernel.org/stable/c/513587caec66b67243027f26867ad3512f06744f"
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},
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{
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"url": "https://git.kernel.org/stable/c/84e926c1c272a35ddb9b86842d32fa833a60dfc7"
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},
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{
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"url": "https://git.kernel.org/stable/c/2ac3a105e51496147c0e44e49466eecfcc532d57"
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},
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{
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"url": "https://git.kernel.org/stable/c/edf9088b6e1d6d88982db7eb5e736a0e4fbcc09e"
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}
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],
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"title": "spi: tegra210-quad: Protect curr_xfer check in IRQ handler",
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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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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-23207",
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"role": "CISA Coordinator",
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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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"version": "2.0.3",
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"timestamp": "2026-11-05T21:22:22.485517Z"
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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": "2026-11-05T21:23:22.178Z"
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}
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}
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]
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}
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} |