cve-2024-44957
Vulnerability from cvelistv5
Published
2024-09-04 18:35
Modified
2024-12-19 09:19
Severity ?
Summary
xen: privcmd: Switch from mutex to spinlock for irqfds
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/1c682593096a487fd9aebc079a307ff7a6d054a3Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/49f2a5da6785b2dbde93e291cae037662440346ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c2775ae4d9227729f8ca9ee2a068f62a00d5ea9cPatch
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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              "content": {
                "id": "CVE-2024-44957",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-09-10T17:40:00.406164Z",
                "version": "2.0.3"
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        "providerMetadata": {
          "dateUpdated": "2024-09-12T17:33:36.345Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "product": "Linux",
          "programFiles": [
            "drivers/xen/privcmd.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
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          "product": "Linux",
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "semver"
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              "status": "unaffected",
              "version": "6.10.5",
              "versionType": "semver"
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              "version": "6.11",
              "versionType": "original_commit_for_fix"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxen: privcmd: Switch from mutex to spinlock for irqfds\n\nirqfd_wakeup() gets EPOLLHUP, when it is called by\neventfd_release() by way of wake_up_poll(\u0026ctx-\u003ewqh, EPOLLHUP), which\ngets called under spin_lock_irqsave(). We can\u0027t use a mutex here as it\nwill lead to a deadlock.\n\nFix it by switching over to a spin lock."
        }
      ],
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        "dateUpdated": "2024-12-19T09:19:06.134Z",
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        {
          "url": "https://git.kernel.org/stable/c/1c682593096a487fd9aebc079a307ff7a6d054a3"
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      ],
      "title": "xen: privcmd: Switch from mutex to spinlock for irqfds",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-44957",
    "datePublished": "2024-09-04T18:35:55.939Z",
    "dateReserved": "2024-08-21T05:34:56.666Z",
    "dateUpdated": "2024-12-19T09:19:06.134Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.