{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-74292", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.881Z", "datePublished": "2026-08-15T05:57:58.250Z", "dateUpdated": "2026-08-17T05:45:30.088Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:45:30.088Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: tegra: tegra210_ahub: Validate written enum value\n\ntegra_ahub_put_value_enum() reads e->values[item[0]] before\nchecking whether item[0] is within the enum item range. The existing\ncheck therefore happens too late to prevent an out-of-range read of the\nvalues array.\n\nMove the check before the array access." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:L - The bug is reached only via a local ALSA control write (ioctl on /dev/snd/controlC*) to a tegra210_ahub DAPM mux Route enum; there is no network, Bluetooth, or physical-bus path to this callback on Tegra AHUB platforms.\nAC:L - An attacker with access to the ALSA control device can set enumerated.item[0] above e->items and reliably trigger the out-of-bounds read on every attempt; no race, special timing, or victim state is required beyond the driver being loaded.\nPR:L - Exploitation requires only local ability to open and write ALSA mixer controls, which on typical Linux/Tegra deployments (Jetson, automotive IVI, embedded kiosks) is granted to standard users in the audio group rather than requiring init-namespace root.\nUI:N - No end-user action such as plugging in hardware or mounting media is needed; a local attacker directly issues the crafted control write to trigger tegra_ahub_put_value_enum().\nS:U - Impact is confined to kernel memory disclosure or denial-of-service within the same OS security boundary; this is not a VM escape, IOMMU bypass, or cross-authority sandbox breakout.\nC:H - tegra_ahub_put_value_enum() indexes e->values[item[0]] before validating item[0] < e->items, giving an attacker-controlled out-of-bounds kernel read that can disclose adjacent memory and, with large indices, probe arbitrary offsets.\nI:N - When item[0] is out of range the function returns -EINVAL before using the fetched value to compute reg_idx/bit_pos or update AHUB crossbar registers, so the flaw does not directly modify kernel memory or hardware state.\nA:H - Supplying a sufficiently large out-of-bounds item[0] can read unmapped kernel memory and trigger a kernel oops or panic; even bounded over-reads enable repeatable local denial-of-service against audio-critical Tegra systems." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/soc/tegra/tegra210_ahub.c" ], "versions": [ { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "4e45e4c2015519a39c40eb575c03b77807fb5080", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "964f8f9015fb117402d8d2186593397cd93388e9", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "2ec7d16fe21c68b0879873a2abf9aac854c96134", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "4bcb23635d5059ee71f3fb89719ea14aada6fd59", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "f67d63628fe158b3a6e6b33a2b8c83ff118699d1", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "e098c9c6477dfa3cb363282100108484ceba5cc5", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "226d93b65f4f99b35fb7a03bdb24acb577364ebc", "status": "affected", "versionType": "git" }, { "version": "16e1bcc2caf446fa3e1daa040b59fd6f6272a766", "lessThan": "1d8aabb413b5638670dfd1162169edc0ba276a2e", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/soc/tegra/tegra210_ahub.c" ], "versions": [ { "version": "5.9", "status": "affected" }, { "version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.261", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.10.261" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "5.15.212" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.1.178" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.6.145" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.12.97" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.18.40" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.1.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4e45e4c2015519a39c40eb575c03b77807fb5080" }, { "url": "https://git.kernel.org/stable/c/964f8f9015fb117402d8d2186593397cd93388e9" }, { "url": "https://git.kernel.org/stable/c/2ec7d16fe21c68b0879873a2abf9aac854c96134" }, { "url": "https://git.kernel.org/stable/c/4bcb23635d5059ee71f3fb89719ea14aada6fd59" }, { "url": "https://git.kernel.org/stable/c/f67d63628fe158b3a6e6b33a2b8c83ff118699d1" }, { "url": "https://git.kernel.org/stable/c/e098c9c6477dfa3cb363282100108484ceba5cc5" }, { "url": "https://git.kernel.org/stable/c/226d93b65f4f99b35fb7a03bdb24acb577364ebc" }, { "url": "https://git.kernel.org/stable/c/1d8aabb413b5638670dfd1162169edc0ba276a2e" } ], "title": "ASoC: tegra: tegra210_ahub: Validate written enum value", "x_generator": { "engine": "bippy-1.2.0" } } } }