122 lines
6.4 KiB
JSON
122 lines
6.4 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-2026-43410",
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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": "2026-05-01T14:12:56.008Z",
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"datePublished": "2026-05-08T14:21:48.885Z",
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"dateUpdated": "2026-05-11T22:24:02.917Z"
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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": "2026-05-11T22:24:02.917Z"
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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\nfirmware: stratix10-rsu: Fix NULL pointer dereference when RSU is disabled\n\nWhen the Remote System Update (RSU) isn't enabled in the First Stage\nBoot Loader (FSBL), the driver encounters a NULL pointer dereference when\nexcute svc_normal_to_secure_thread() thread, resulting in a kernel panic:\n\nUnable to handle kernel NULL pointer dereference at virtual address 0000000000000008\nMem abort info:\n...\nData abort info:\n...\n[0000000000000008] user address but active_mm is swapper\nInternal error: Oops: 0000000096000004 [#1] SMP\nModules linked in:\nCPU: 0 UID: 0 PID: 79 Comm: svc_smc_hvc_thr Not tainted 6.19.0-rc8-yocto-standard+ #59 PREEMPT\nHardware name: SoCFPGA Stratix 10 SoCDK (DT)\npstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : svc_normal_to_secure_thread+0x38c/0x990\nlr : svc_normal_to_secure_thread+0x144/0x990\n...\nCall trace:\n svc_normal_to_secure_thread+0x38c/0x990 (P)\n kthread+0x150/0x210\n ret_from_fork+0x10/0x20\nCode: 97cfc113 f9400260 aa1403e1 f9400400 (f9400402)\n---[ end trace 0000000000000000 ]---\n\nThe issue occurs because rsu_send_async_msg() fails when RSU is not enabled\nin firmware, causing the channel to be freed via stratix10_svc_free_channel().\nHowever, the probe function continues execution and registers\nsvc_normal_to_secure_thread(), which subsequently attempts to access the\nalready-freed channel, triggering the NULL pointer dereference.\n\nFix this by properly cleaning up the async client and returning early on\nfailure, preventing the thread from being used with an invalid channel."
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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/firmware/stratix10-rsu.c"
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],
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"versions": [
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{
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"version": "15847537b623f844d9a08da99ff4568315e1d4f8",
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"lessThan": "aa5739e0c51ad01c6e763ca89c1bfb58fc6ea71a",
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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": "15847537b623f844d9a08da99ff4568315e1d4f8",
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"lessThan": "c45f7263100cece247dd3fa5fe277bd97fdb5687",
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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/firmware/stratix10-rsu.c"
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],
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"versions": [
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{
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"version": "6.19",
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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": "6.19",
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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": "6.19.9",
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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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{
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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": "6.19",
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"versionEndExcluding": "6.19.9"
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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": "6.19",
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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/aa5739e0c51ad01c6e763ca89c1bfb58fc6ea71a"
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},
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{
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"url": "https://git.kernel.org/stable/c/c45f7263100cece247dd3fa5fe277bd97fdb5687"
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}
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],
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"title": "firmware: stratix10-rsu: Fix NULL pointer dereference when RSU is disabled",
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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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}
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} |