159 lines
8.1 KiB
JSON
159 lines
8.1 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-2026-64041",
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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": "2026-07-19T07:54:57.029Z",
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"datePublished": "2026-07-19T15:39:27.967Z",
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"dateUpdated": "2026-08-05T12:38:33.905Z"
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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": "2026-08-05T12:38:33.905Z"
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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: codecs: fs210x: fix possible buffer overflow\n\nIn fs210x_effect_scene_info(), a string was copied like this:\n\n strscpy(DST, SRC, strlen(SRC) + 1);\n\nA buffer overflow would happen if strlen(SRC) >= sizeof(DST).\nActually, strscpy() must be used this way:\n\n strscpy(DST, SRC, sizeof(DST));\n strscpy(DST, SRC); // defaults to sizeof(DST)"
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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 overflow is triggered only through a local ALSA control ioctl on /dev/snd/controlC*, not via any network, Bluetooth, or physical bus interface.\nAC:L - Once firmware contains a scene name of 64+ bytes, a single SNDRV_CTL_IOCTL_ELEM_INFO call deterministically overflows the 64-byte enumerated name buffer on the kernel stack.\nPR:L - Exploitation requires local access to the ALSA control device, which is typically granted to unprivileged users in the audio group on embedded Linux, kiosk, and IoT deployments using this amplifier.\nUI:N - The attacker can trigger the vulnerable ioctl directly (e.g., via amixer or a custom program) without requiring any action from a victim user.\nS:U - Successful exploitation results in standard kernel memory corruption and potential local privilege escalation within the same security authority, not a cross-boundary escape such as VM or sandbox breakout.\nC:H - The stack buffer overflow writes beyond the 64-byte destination, corrupting adjacent kernel stack data and enabling information disclosure as part of memory corruption exploitation.\nI:H - Unbounded stack corruption from the incorrect strscpy size argument can overwrite return addresses and other stack metadata, enabling arbitrary kernel code execution.\nA:H - Stack corruption in kernel context during ioctl handling can cause kernel oops, panic, or hang, resulting in complete loss of system availability."
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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/codecs/fs210x.c"
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],
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"versions": [
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{
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"version": "75611770177965ae902c87c96eace07542beff07",
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"lessThan": "1ddf678bb75b6383c775ece61d40956c441d8a26",
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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": "75611770177965ae902c87c96eace07542beff07",
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"lessThan": "6daefdf1cd3c56483f61970a76c0ad6028e4118f",
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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": "75611770177965ae902c87c96eace07542beff07",
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"lessThan": "0d435a7ebcd4e97e47673c1ab6fb27f973a053ec",
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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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"sound/soc/codecs/fs210x.c"
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],
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"versions": [
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{
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"version": "6.18",
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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": "6.18",
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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": "6.18.34",
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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": "7.0.11",
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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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"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": "6.18",
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"versionEndExcluding": "6.18.34"
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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",
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"versionEndExcluding": "7.0.11"
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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",
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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/1ddf678bb75b6383c775ece61d40956c441d8a26"
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},
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{
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"url": "https://git.kernel.org/stable/c/6daefdf1cd3c56483f61970a76c0ad6028e4118f"
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},
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{
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"url": "https://git.kernel.org/stable/c/0d435a7ebcd4e97e47673c1ab6fb27f973a053ec"
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}
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],
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"title": "ASoC: codecs: fs210x: fix possible buffer overflow",
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