VULN/vuln-cve
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vuln-cve/data/2025/37xxx/CVE-2025-37801.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2025-37801",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2025-04-16T04:51:23.941Z",
"datePublished": "2025-05-08T06:26:01.980Z",
"dateUpdated": "2026-10-15T21:52:00.334Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-08-05T11:57:40.320Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: spi-imx: Add check for spi_imx_setupxfer()\n\nAdd check for the return value of spi_imx_setupxfer().\nspi_imx->rx and spi_imx->tx function pointer can be NULL when\nspi_imx_setupxfer() return error, and make NULL pointer dereference.\n\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n Call trace:\n 0x0\n spi_imx_pio_transfer+0x50/0xd8\n spi_imx_transfer_one+0x18c/0x858\n spi_transfer_one_message+0x43c/0x790\n __spi_pump_transfer_message+0x238/0x5d4\n __spi_sync+0x2b0/0x454\n spi_write_then_read+0x11c/0x200"
}
],
"metrics": [
{
"cvssV3_1": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH"
},
"scenarios": [
{
"lang": "en",
"value": "AV:L - The vulnerable path is reached from a local process issuing write()/read()/SPI_IOC_MESSAGE on /dev/spidevB.C, or from an in-kernel SPI protocol driver via spi_write_then_read(); there is no network or remote-peer input involved.\nAC:L - On an affected board (an i.MX SPI slave node lacking spi-max-frequency, which spi-imx never compensates for since it sets no controller->max_speed_hz) every transfer without an explicit speed deterministically takes the unchecked error path — no race, no memory-layout luck, and the attacker fully controls transfer speed_hz, bits_per_word, len and word_delay through a single ioctl.\nPR:L - An ordinary unprivileged local user with access to the spidev character device (routinely granted via an \"spi\" group on embedded/industrial i.MX deployments) can submit the crafted spi_ioc_transfer array; no CAP_SYS_ADMIN or root is needed.\nUI:N - The attacker performs the ioctl/write themselves; no action by another user or administrator is required.\nS:U - The corruption and crash are confined to the kernel of the same system; no VM, IOMMU, or other security-authority boundary is crossed.\nC:H - The stale spi_imx->tx/bits_per_word state left by the unchecked error causes spi_imx->count to underflow, so spi_imx_buf_tx_u32() reads far past the transfer's TX buffer and shifts adjacent kernel heap memory out onto the SPI bus, where an attacker-controlled or observable peripheral can read it.\nI:H - The same count underflow makes spi_imx_buf_rx_u32() write 4 bytes per FIFO word past the end of the RX buffer, repeatedly from spi_imx_isr(), giving an unbounded heap out-of-bounds write with data sourced from the SPI RX FIFO.\nA:H - In the common case spi_imx->tx is NULL and spi_imx_push() jumps to address 0, producing a kernel NULL pointer dereference oops/panic exactly as shown in the fix's backtrace; the OOB-write variant likewise corrupts the heap and crashes the system."
}
]
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/spi/spi-imx.c"
],
"versions": [
{
"version": "307c897db762d1e0feee9477276b08f6deca4a5b",
"lessThan": "2fea0d6d7b5d27fbf55512d51851ba0a346ede52",
"status": "affected",
"versionType": "git"
},
{
"version": "307c897db762d1e0feee9477276b08f6deca4a5b",
"lessThan": "2b4479eb462ecb39001b38dfb331fc6028dedac8",
"status": "affected",
"versionType": "git"
},
{
"version": "307c897db762d1e0feee9477276b08f6deca4a5b",
"lessThan": "185d376875ea6fb4256b9dc97ee0b4d2b0fdd399",
"status": "affected",
"versionType": "git"
},
{
"version": "307c897db762d1e0feee9477276b08f6deca4a5b",
"lessThan": "055ef73bb1afc3f783a9a13b496770a781964a07",
"status": "affected",
"versionType": "git"
},
{
"version": "307c897db762d1e0feee9477276b08f6deca4a5b",
"lessThan": "951a04ab3a2db4029debfa48d380ef834b93207e",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"drivers/spi/spi-imx.c"
],
"versions": [
{
"version": "5.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "5.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.136",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.89",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.26",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.14.5",
"lessThanOrEqual": "6.14.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.15",
"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": "5.19",
"versionEndExcluding": "6.1.136"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.6.89"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.12.26"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.14.5"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "5.19",
"versionEndExcluding": "6.15"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/2fea0d6d7b5d27fbf55512d51851ba0a346ede52"
},
{
"url": "https://git.kernel.org/stable/c/2b4479eb462ecb39001b38dfb331fc6028dedac8"
},
{
"url": "https://git.kernel.org/stable/c/185d376875ea6fb4256b9dc97ee0b4d2b0fdd399"
},
{
"url": "https://git.kernel.org/stable/c/055ef73bb1afc3f783a9a13b496770a781964a07"
},
{
"url": "https://git.kernel.org/stable/c/951a04ab3a2db4029debfa48d380ef834b93207e"
}
],
"title": "spi: spi-imx: Add check for spi_imx_setupxfer()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"title": "CVE Program Container",
"references": [
{
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
}
],
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2025-11-03T19:55:31.277Z"
}
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2025-37801",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-15T21:45:18.978744Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-15T21:52:00.334Z"
}
}
]
}
}
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