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-2026-53158",
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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": "2026-06-09T07:44:35.388Z",
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"datePublished": "2026-06-25T08:38:40.818Z",
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"dateUpdated": "2026-07-04T11:50:56.161Z"
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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": "2026-07-04T11:50:56.161Z"
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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\nmisc: fastrpc: Fix NULL pointer dereference in rpmsg callback\n\nA NULL pointer dereference was observed on Hawi at boot when the DSP\nsends a glink message before fastrpc_rpmsg_probe() has completed\ninitialization:\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000178\n pc : _raw_spin_lock_irqsave+0x34/0x8c\n lr : fastrpc_rpmsg_callback+0x3c/0xcc [fastrpc]\n ...\n Call trace:\n _raw_spin_lock_irqsave+0x34/0x8c (P)\n fastrpc_rpmsg_callback+0x3c/0xcc [fastrpc]\n qcom_glink_native_rx+0x538/0x6a4\n qcom_glink_smem_intr+0x14/0x24 [qcom_glink_smem]\n\nThe faulting address 0x178 corresponds to the lock variable inside\nstruct fastrpc_channel_ctx, confirming that cctx is NULL when\nfastrpc_rpmsg_callback() attempts to take the spinlock.\n\nThere are two issues here. First, dev_set_drvdata() is called before\nspin_lock_init() and idr_init(), leaving a window where the callback\ncan retrieve a valid cctx pointer but operate on an uninitialized\nspinlock. Second, the rpmsg channel becomes live as soon as the driver\nis bound, so fastrpc_rpmsg_callback() can fire before dev_set_drvdata()\nis called at all, resulting in dev_get_drvdata() returning NULL.\n\nFix both issues by moving all cctx initialization ahead of\ndev_set_drvdata() so the structure is fully initialized before it\nbecomes visible to the callback, and add a NULL check in\nfastrpc_rpmsg_callback() as a guard against any remaining window."
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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/misc/fastrpc.c"
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],
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"versions": [
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{
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"version": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "a3d91218ccca1e990bfb737b5a6da23f0afba22b",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "0d8c64511fd45690c5326f013710efcb4f73a97e",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "150bf6f1193c69252580c19d3b3cd631ddce61d7",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "8fb4a23df5b7c02929b62e5dbc270ec7c42b8134",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "4bfdf0a9855df55e9e031ca6a25b855820590c70",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "d5de9cb5355db36438edc621dde3673e3f235767",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "d77583ca33299fede0c194744ef2284e7ba5b763",
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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": "f6f9279f2bf0e37e2f1fb119d8832b8568536a04",
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"lessThan": "5401fb4fe10fac6134c308495df18ed74aebb9c4",
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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/misc/fastrpc.c"
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],
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"versions": [
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{
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"version": "5.1",
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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": "5.1",
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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": "5.10.260",
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"lessThanOrEqual": "5.10.*",
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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": "5.15.211",
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"lessThanOrEqual": "5.15.*",
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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": "6.1.177",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.143",
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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": "6.12.94",
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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": "6.18.36",
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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": "7.0.13",
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"lessThanOrEqual": "7.0.*",
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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": "7.1",
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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": "5.1",
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"versionEndExcluding": "5.10.260"
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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": "5.1",
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"versionEndExcluding": "5.15.211"
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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": "5.1",
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"versionEndExcluding": "6.1.177"
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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": "5.1",
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"versionEndExcluding": "6.6.143"
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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": "5.1",
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"versionEndExcluding": "6.12.94"
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{
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"versionEndExcluding": "6.18.36"
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},
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.1",
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"versionEndExcluding": "7.0.13"
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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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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/a3d91218ccca1e990bfb737b5a6da23f0afba22b"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d8c64511fd45690c5326f013710efcb4f73a97e"
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},
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{
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"url": "https://git.kernel.org/stable/c/150bf6f1193c69252580c19d3b3cd631ddce61d7"
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},
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{
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"url": "https://git.kernel.org/stable/c/8fb4a23df5b7c02929b62e5dbc270ec7c42b8134"
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},
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{
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"url": "https://git.kernel.org/stable/c/4bfdf0a9855df55e9e031ca6a25b855820590c70"
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},
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{
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"url": "https://git.kernel.org/stable/c/d5de9cb5355db36438edc621dde3673e3f235767"
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},
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{
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"url": "https://git.kernel.org/stable/c/d77583ca33299fede0c194744ef2284e7ba5b763"
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},
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{
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"url": "https://git.kernel.org/stable/c/5401fb4fe10fac6134c308495df18ed74aebb9c4"
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}
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],
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"title": "misc: fastrpc: Fix NULL pointer dereference in rpmsg callback",
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"x_generator": {
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