GHSA-G2FG-H3FH-WPJ6
Vulnerability from github – Published: 2026-02-14 18:30 – Updated: 2026-03-19 18:31In the Linux kernel, the following vulnerability has been resolved:
spi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer
The curr_xfer field is read by the IRQ handler without holding the lock to check if a transfer is in progress. When clearing curr_xfer in the combined sequence transfer loop, protect it with the spinlock to prevent a race with the interrupt handler.
Protect the curr_xfer clearing at the exit path of tegra_qspi_combined_seq_xfer() with the spinlock to prevent a race with the interrupt handler that reads this field.
Without this protection, the IRQ handler could read a partially updated curr_xfer value, leading to NULL pointer dereference or use-after-free.
{
"affected": [],
"aliases": [
"CVE-2026-23202"
],
"database_specific": {
"cwe_ids": [
"CWE-476"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-02-14T17:15:58Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nspi: tegra210-quad: Protect curr_xfer in tegra_qspi_combined_seq_xfer\n\nThe curr_xfer field is read by the IRQ handler without holding the lock\nto check if a transfer is in progress. When clearing curr_xfer in the\ncombined sequence transfer loop, protect it with the spinlock to prevent\na race with the interrupt handler.\n\nProtect the curr_xfer clearing at the exit path of\ntegra_qspi_combined_seq_xfer() with the spinlock to prevent a race\nwith the interrupt handler that reads this field.\n\nWithout this protection, the IRQ handler could read a partially updated\ncurr_xfer value, leading to NULL pointer dereference or use-after-free.",
"id": "GHSA-g2fg-h3fh-wpj6",
"modified": "2026-03-19T18:31:14Z",
"published": "2026-02-14T18:30:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-23202"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3bc293d5b56502068481478842f57b3d96e432c7"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6fd446178a610a48e80e5c5b487b0707cd01daac"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/712cde8d916889e282727cdf304a43683adf899e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/762e2ce71c8f0238e9eaf05d14da803d9a24422f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/9fa4262a80f751d14a6a39d2c03f57db68da2618"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bf4528ab28e2bf112c3a2cdef44fd13f007781cd"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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