305 lines
15 KiB
JSON
305 lines
15 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-2023-52988",
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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": "2025-03-27T16:40:15.741Z",
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"datePublished": "2025-03-27T16:43:25.056Z",
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"dateUpdated": "2026-08-05T09:12:17.567Z"
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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": "2026-08-05T09:12:17.567Z"
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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\nALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()\n\nsnd_hda_get_connections() can return a negative error code.\nIt may lead to accessing 'conn' array at a negative index.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
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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:H/I:H/A:H",
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"baseScore": 7.8,
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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 path runs only during VIA HD-audio codec probe (`hda_codec_driver_probe` → `patch_vt1718S`/`patch_vt2002P`/`patch_vt1812`/`patch_vt3476` → `add_secret_dac_path`), reached via local driver bind/module autoload on systems with affected VIA codecs—not via network or remote peer input.\nAC:L - An attacker can force `snd_hda_get_connections()` to fail with `-ENOMEM` by exhausting memory before codec bind/autoload (same pattern as CVE-2023-52999), and VIA codecs with analog DAC widgets then hit the `conn[nums++]=nid` path deterministically; no uncontrollable race is required.\nPR:L - Direct sysfs rebind needs root, but an unprivileged audio-capable user can trigger ALSA lazy module autoload (`/dev/aloadC*` → `request_module` of the VIA codec driver) as in CVE-2025-68205, and a local account is enough to leverage boot-time probe corruption.\nUI:N - Codec probe is system-driven (boot bind or attacker-initiated autoload); no separate victim must open a file, mount media, or otherwise interact.\nS:U - The stack underflow corrupts kernel stack memory in the same host kernel authority; this is not a VM escape, IOMMU bypass, or sandbox boundary cross.\nC:H - When `nums` is a negative error code, `conn[nums++]=nid` is a stack out-of-bounds write; under scoring guidance, OOB write memory corruption is treatable as High confidentiality impact (same treatment as CVE-2023-52999).\nI:H - The bug is a stack out-of-bounds write of a widget NID below the on-stack `conn[8]` array, which is memory-corruption integrity impact and can corrupt frame/control data for control-flow hijack; OOB write scores High.\nA:H - Stack corruption from the negative-index write (and continued probe with a corrupted frame, since callers ignore `add_secret_dac_path()`’s return) can produce an oops/panic; any kernel crash is High availability impact."
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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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"sound/pci/hda/patch_via.c"
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],
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"versions": [
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{
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"version": "30b4503378c976cf66201a1e81820519f6bd79ac",
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"lessThan": "437e50ef6290ac835d526d0e45f466a0aa69ba1b",
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"status": "affected",
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"lessThan": "6e1f586ddec48d71016b81acf68ba9f49ca54db8",
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"status": "affected",
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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": "30b4503378c976cf66201a1e81820519f6bd79ac",
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"status": "affected",
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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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"sound/pci/hda/patch_via.c"
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],
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"versions": [
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{
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"version": "3.1",
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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": "3.1",
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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": "4.14.306",
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"lessThanOrEqual": "4.14.*",
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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": "4.19.273",
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"lessThanOrEqual": "4.19.*",
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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": "5.4.232",
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"lessThanOrEqual": "5.4.*",
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"status": "unaffected",
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},
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{
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"version": "5.10.168",
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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": "5.15.93",
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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": "6.1.11",
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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": "6.2",
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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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"url": "https://git.kernel.org/stable/c/1b9256c96220bcdba287eeeb90e7c910c77f8c46"
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}
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"title": "ALSA: hda/via: Avoid potential array out-of-bound in add_secret_dac_path()",
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-129",
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"lang": "en",
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"description": "CWE-129 Improper Validation of Array Index"
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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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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 7.8,
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"attackVector": "LOCAL",
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"baseSeverity": "HIGH",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"userInteraction": "NONE",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "HIGH"
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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": "2025-10-01T17:20:44.580398Z",
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"id": "CVE-2023-52988",
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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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},
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{
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}
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],
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"version": "2.0.3"
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}
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}
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}
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"title": "CISA ADP Vulnrichment",
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"dateUpdated": "2025-10-01T17:20:48.141Z"
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} |