fkie_cve-2024-49955
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-11-08 16:15
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: ACPI: battery: Fix possible crash when unregistering a battery hook When a battery hook returns an error when adding a new battery, then the battery hook is automatically unregistered. However the battery hook provider cannot know that, so it will later call battery_hook_unregister() on the already unregistered battery hook, resulting in a crash. Fix this by using the list head to mark already unregistered battery hooks as already being unregistered so that they can be ignored by battery_hook_unregister().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07b98400cb0285a6348188aa8c5ec6a2ae0551f7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76959aff14a0012ad6b984ec7686d163deccdc16Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/76fb2cbf01571926da8ecf6876cc8cb07d3f5183
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9f469ef1c79dac7f9ac1518643a33703918f7e13Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c47843a831e0eae007ad7e848d208e675ba4c132
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca1fb7942a287b40659cc79551a1de54a2c2e7d5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ca26e8eed9c1c6651f51f7fa38fe444f8573cd1bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ce31847f109c3a5b2abdd19d7bcaafaacfde53dePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/da964de4c18199e14b961b5b2e5e6570552a313cPatch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.12


To clipboard 

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   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: battery: Fix possible crash when unregistering a battery hook\n\nWhen a battery hook returns an error when adding a new battery, then\nthe battery hook is automatically unregistered.\nHowever the battery hook provider cannot know that, so it will later\ncall battery_hook_unregister() on the already unregistered battery\nhook, resulting in a crash.\n\nFix this by using the list head to mark already unregistered battery\nhooks as already being unregistered so that they can be ignored by\nbattery_hook_unregister().",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ACPI: batería: se corrige un posible fallo al anular el registro de un gancho de batería Cuando un gancho de batería devuelve un error al añadir una batería nueva, el gancho de batería se anula automáticamente el registro. Sin embargo, el proveedor del gancho de batería no puede saberlo, por lo que más tarde llamará a battery_hook_unregister() en el gancho de batería ya anulado, lo que provocará un fallo. Solucione esto utilizando el encabezado de lista para marcar los ganchos de batería ya anulados como ya anulados para que battery_hook_unregister() pueda ignorarlos.",
      },
   ],
   id: "CVE-2024-49955",
   lastModified: "2024-11-08T16:15:33.663",
   metrics: {
      cvssMetricV31: [
         {
            cvssData: {
               attackComplexity: "LOW",
               attackVector: "LOCAL",
               availabilityImpact: "HIGH",
               baseScore: 5.5,
               baseSeverity: "MEDIUM",
               confidentialityImpact: "NONE",
               integrityImpact: "NONE",
               privilegesRequired: "LOW",
               scope: "UNCHANGED",
               userInteraction: "NONE",
               vectorString: "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
               version: "3.1",
            },
            exploitabilityScore: 1.8,
            impactScore: 3.6,
            source: "nvd@nist.gov",
            type: "Primary",
         },
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   },
   published: "2024-10-21T18:15:16.833",
   references: [
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   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-672",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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