251 lines
13 KiB
JSON
251 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-2024-41069",
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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": "2024-07-12T12:17:45.630Z",
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"datePublished": "2024-07-29T14:57:30.245Z",
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"dateUpdated": "2026-08-05T11:35:10.036Z"
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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": "2026-08-05T11:35:10.036Z"
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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\nASoC: topology: Fix references to freed memory\n\nMost users after parsing a topology file, release memory used by it, so\nhaving pointer references directly into topology file contents is wrong.\nUse devm_kmemdup(), to allocate memory as needed."
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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 code is the ASoC topology parser reached through local sound-card probe and subsequent local interaction with the DAPM graph via `/dev/snd/*` and driver bind/unbind; there is no network- or peer-supplied data path into `soc_tplg_dapm_graph_elems_load()`.\nAC:L - The dangling pointers are created unconditionally on every affected platform the moment `release_firmware()` runs after topology load — no race, no timing window, and no memory-layout precondition outside attacker influence, since the attacker can groom the freed vmalloc/kmalloc region with ordinary allocations before the stale pointers are used.\nPR:L - The freed-memory references are established automatically at boot with zero privilege, and an ordinary unprivileged local user with default `/dev/snd` access (granted to the console user by logind ACLs, or the `audio` group) can drive DAPM path re-evaluation and spray the freed pages; no root or capability is needed to reach the affected state.\nUI:N - Topology parsing and the subsequent `release_firmware()` happen automatically during sound-card initialization on affected Intel AVS/SOF and Qualcomm qdsp6 systems, with no action required from any victim user.\nS:U - The stale pointers, the freed firmware buffer, and any resulting corruption are all confined to the kernel of the same system; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - Reads through the dangling `route->source/sink/control` pointers pull whatever kernel data has been reallocated into the freed firmware pages, and those bytes are used as widget/control names and printed via `dev_dbg`/`dev_err` in `sof_route_load()` and `snd_soc_dapm_add_route()`, disclosing arbitrary reallocated kernel memory.\nI:H - The stale pointers are also written through — Intel AVS did `strscpy((char *)route->source, buf, len)` on them (fixed in companion commit fd660b1bd015) — giving a write into memory that now belongs to some other kernel allocation, which is a classic use-after-free write primitive usable for control-flow hijacking.\nA:H - Dereferencing pointers into a released vmalloc'd firmware buffer produces a use-after-free that readily oopses or panics the kernel, and the follow-up \"ASoC: topology: Fix route memory corruption\" commit confirms real-world memory corruption in this exact code."
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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/soc/soc-topology.c"
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],
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"versions": [
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{
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"version": "7df04ea7a31eaa75bdad2905f07cc097b15558ee",
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"lessThan": "b188d7f3dfab10e332e3c1066e18857964a520d2",
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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": "7df04ea7a31eaa75bdad2905f07cc097b15558ee",
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"lessThan": "ab5a6208b4d6872b1c6ecea1867940fc668cc76d",
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"status": "affected",
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"status": "affected",
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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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"sound/soc/soc-topology.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": "6.1.101",
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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": "6.6.42",
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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": "6.9.11",
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"lessThanOrEqual": "6.9.*",
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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": "6.10",
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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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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "5.1",
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}
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"id": "CVE-2024-41069",
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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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"timestamp": "2024-09-10T16:21:43.300028Z"
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"title": "CISA ADP Vulnrichment",
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