CVE-2026-53297

Full vulnerability record from the local CVENow database.

Description

In the Linux kernel, the following vulnerability has been resolved: net: mana: Guard mana_remove against double invocation If PM resume fails (e.g., mana_attach() returns an error), mana_probe() calls mana_remove(), which tears down the device and sets gd->gdma_context = NULL and gd->driver_data = NULL. However, a failed resume callback does not automatically unbind the driver. When the device is eventually unbound, mana_remove() is invoked a second time. Without a NULL check, it dereferences gc->dev with gc == NULL, causing a kernel panic. Add an early return if gdma_context or driver_data is NULL so the second invocation is harmless. Move the dev = gc->dev assignment after the guard so it cannot dereference NULL.

Severity

MEDIUM

CVSS score

5.5 (v3.1)

Vulnerability status

Modified

Source identifier

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Published

2026-06-26 20:17:22.900000

Last modified

2026-10-30 13:19:16.007000

View original CVE JSON

{
  "id": "CVE-2026-53297",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2026-06-26T20:17:22.900",
  "lastModified": "2026-10-30T13:19:16.007",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: mana: Guard mana_remove against double invocation\n\nIf PM resume fails (e.g., mana_attach() returns an error), mana_probe()\ncalls mana_remove(), which tears down the device and sets\ngd->gdma_context = NULL and gd->driver_data = NULL.\n\nHowever, a failed resume callback does not automatically unbind the\ndriver. When the device is eventually unbound, mana_remove() is invoked\na second time. Without a NULL check, it dereferences gc->dev with\ngc == NULL, causing a kernel panic.\n\nAdd an early return if gdma_context or driver_data is NULL so the second\ninvocation is harmless. Move the dev = gc->dev assignment after the\nguard so it cannot dereference NULL."
    }
  ],
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      "affectedData": [
        {
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          "product": "Linux",
          "defaultStatus": "unaffected",
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            "drivers/net/ethernet/microsoft/mana/mana_en.c"
          ],
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              "version": "7.1",
              "lessThanOrEqual": "*",
              "versionType": "original_commit_for_fix",
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  ],
  "metrics": {
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          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
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  "weaknesses": [
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      "type": "Primary",
      "description": [
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          "value": "CWE-476"
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