172 lines
8.4 KiB
JSON
172 lines
8.4 KiB
JSON
{
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"cveId": "CVE-2023-52987",
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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": "2025-03-27T16:43:24.225Z",
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"dateUpdated": "2026-10-15T21:41:24.960Z"
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},
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T09:12:16.474Z"
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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: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()\n\nThe \"id\" comes from the user. Change the type to unsigned to prevent\nan array underflow."
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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 bug is reached only via write(2) to the local debugfs file sof/.../mtrace/logs_priorities_mask; there is no network, adjacent-protocol, or remote peer path into sof_ipc4_priority_mask_dfs_write().\nAC:L - A single write of a negative id (e.g. \"-1,0xdeadbeef\") deterministically bypasses the signed bounds check and performs the out-of-bounds store; no race, timing window, or layout precondition outside attacker control is required.\nPR:L - The node is mode 0644 with no capability check in the write path, and on SOF-bearing Android/ChromeOS/embedded platforms debugfs is commonly remounted or chowned to non-root service accounts, so a low-privileged local user is a realistic attacker under worst-reasonable deployment scoring.\nUI:N - The attacker opens and writes the already-present debugfs file themselves; no victim action, mount, or interaction is required.\nS:U - The underflow corrupts kernel heap/state within the host kernel's security authority; it is not a VM escape, IOMMU bypass, or other cross-boundary impact.\nC:H - Attacker-controlled out-of-bounds writes into adjacent sof_mtrace_priv fields and nearby slab objects are a memory-corruption primitive that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The attacker chooses both the negative index and the u32 value written, enabling targeted corruption of adjacent state (including pointers such as sdev) and heap metadata suitable for control-flow hijacking.\nA:H - Corrupting adjacent kernel objects or writing to unmapped addresses via large negative indices reliably causes oops/panic, and the write can be repeated at will."
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}
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]
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}
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"affected": [
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"product": "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/sof/ipc4-mtrace.c"
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],
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"version": "6.1",
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{
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"version": "0",
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"lessThan": "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": "6.1.11",
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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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"references": [
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{
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"url": "https://git.kernel.org/stable/c/d52f34784e4e2f6e77671a9f104d8a69a3b5d24c"
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},
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"url": "https://git.kernel.org/stable/c/ea57680af47587397f5005d7758022441ed66d54"
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}
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],
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"title": "ASoC: SOF: ipc4-mtrace: prevent underflow in sof_ipc4_priority_mask_dfs_write()",
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"x_generator": {
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"adp": [
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{
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"type": "ssvc",
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"content": {
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"id": "CVE-2023-52987",
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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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},
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{
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"version": "2.0.3",
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"timestamp": "2026-10-15T21:32:58.502458Z"
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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