CVE-2025-38438
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak. sof_pdata->tplg_filename can have address allocated by kstrdup() and can be overwritten. Memory leak was detected with kmemleak: unreferenced object 0xffff88812391ff60 (size 16): comm "kworker/4:1", pid 161, jiffies 4294802931 hex dump (first 16 bytes): 73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00 sof-hda-generic. backtrace (crc 4bf1675c): __kmalloc_node_track_caller_noprof+0x49c/0x6b0 kstrdup+0x46/0xc0 hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic] sof_init_environment+0x16f/0xb50 [snd_sof] sof_probe_continue+0x45/0x7c0 [snd_sof] sof_probe_work+0x1e/0x40 [snd_sof] process_one_work+0x894/0x14b0 worker_thread+0x5e5/0xfb0 kthread+0x39d/0x760 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30
Severity
MEDIUM
CVSS score
5.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2025-07-25 16:15:29.143000
Last modified
2026-11-05 21:18:31.473000
View original CVE JSON
{
"id": "CVE-2025-38438",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2025-07-25T16:15:29.143",
"lastModified": "2026-11-05T21:18:31.473",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: SOF: Intel: hda: Use devm_kstrdup() to avoid memleak.\n\nsof_pdata->tplg_filename can have address allocated by kstrdup()\nand can be overwritten. Memory leak was detected with kmemleak:\n\nunreferenced object 0xffff88812391ff60 (size 16):\n comm \"kworker/4:1\", pid 161, jiffies 4294802931\n hex dump (first 16 bytes):\n 73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00 sof-hda-generic.\n backtrace (crc 4bf1675c):\n __kmalloc_node_track_caller_noprof+0x49c/0x6b0\n kstrdup+0x46/0xc0\n hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic]\n sof_init_environment+0x16f/0xb50 [snd_sof]\n sof_probe_continue+0x45/0x7c0 [snd_sof]\n sof_probe_work+0x1e/0x40 [snd_sof]\n process_one_work+0x894/0x14b0\n worker_thread+0x5e5/0xfb0\n kthread+0x39d/0x760\n ret_from_fork+0x31/0x70\n ret_from_fork_asm+0x1a/0x30"
},
{
"lang": "es",
"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ASoC: SOF: Intel: hda: Usar devm_kstrdup() para evitar fugas de memoria. La dirección de sof_pdata->tplg_filename puede ser asignada por kstrdup() y puede sobrescribirse. Se detectó una fuga de memoria con kmemleak:unreferenced object 0xffff88812391ff60 (size 16): comm \"kworker/4:1\", pid 161, jiffies 4294802931 hex dump (first 16 bytes): 73 6f 66 2d 68 64 61 2d 67 65 6e 65 72 69 63 00 sof-hda-generic. backtrace (crc 4bf1675c): __kmalloc_node_track_caller_noprof+0x49c/0x6b0 kstrdup+0x46/0xc0 hda_machine_select.cold+0x1de/0x12cf [snd_sof_intel_hda_generic] sof_init_environment+0x16f/0xb50 [snd_sof] sof_probe_continue+0x45/0x7c0 [snd_sof] sof_probe_work+0x1e/0x40 [snd_sof] process_one_work+0x894/0x14b0 worker_thread+0x5e5/0xfb0 kthread+0x39d/0x760 ret_from_fork+0x31/0x70 ret_from_fork_asm+0x1a/0x30"
}
],
"affected": [
{
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"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"sound/soc/sof/intel/hda.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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{
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"programFiles": [
"sound/soc/sof/intel/hda.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
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},
{
"version": "0",
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"versionType": "semver",
"status": "unaffected"
},
{
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected"
},
{
"version": "6.15.7",
"lessThanOrEqual": "6.15.*",
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},
{
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"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
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}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"baseScore": 5.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-11-05T20:56:37.226691Z",
"id": "CVE-2025-38438",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
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}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-401"
}
]
}
],
"configurations": [
{
"nodes": [
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"negate": false,
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