fkie_cve-2024-49898
Vulnerability from fkie_nvd
Published
2024-10-21 18:15
Modified
2024-12-14 21:15
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: drm/amd/display: Check null-initialized variables [WHAT & HOW] drr_timing and subvp_pipe are initialized to null and they are not always assigned new values. It is necessary to check for null before dereferencing. This fixes 2 FORWARD_NULL issues reported by Coverity.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/115b1a3b0944b4d8ef0b4b0c5a625bdd9474131fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/26d262b79a3587aaa84368586a55e9026c67841b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/367cd9ceba1933b63bc1d87d967baf6d9fd241d2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3fc70ae048fe0936761b73b50700a810ff61e853Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c3a3b6d9a9383e3c1a4a08878ba5046e68647595
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *


To clipboard 

{
   configurations: [
      {
         nodes: [
            {
               cpeMatch: [
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "652638C5-5F25-4DF3-AD42-DD3252A97152",
                     versionEndExcluding: "6.10.14",
                     vulnerable: true,
                  },
                  {
                     criteria: "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                     matchCriteriaId: "54D9C704-D679-41A7-9C40-10A6B1E7FFE9",
                     versionEndExcluding: "6.11.3",
                     versionStartIncluding: "6.11",
                     vulnerable: true,
                  },
               ],
               negate: false,
               operator: "OR",
            },
         ],
      },
   ],
   cveTags: [],
   descriptions: [
      {
         lang: "en",
         value: "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check null-initialized variables\n\n[WHAT & HOW]\ndrr_timing and subvp_pipe are initialized to null and they are not\nalways assigned new values. It is necessary to check for null before\ndereferencing.\n\nThis fixes 2 FORWARD_NULL issues reported by Coverity.",
      },
      {
         lang: "es",
         value: "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm/amd/display: comprobar variables inicializadas en valores nulos [QUÉ Y CÓMO] drr_timing y subvp_pipe se inicializan en valores nulos y no siempre se les asignan nuevos valores. Es necesario comprobar si hay valores nulos antes de desreferenciar. Esto soluciona 2 problemas de FORWARD_NULL informados por Coverity.",
      },
   ],
   id: "CVE-2024-49898",
   lastModified: "2024-12-14T21:15:27.313",
   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",
         },
      ],
   },
   published: "2024-10-21T18:15:12.190",
   references: [
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/115b1a3b0944b4d8ef0b4b0c5a625bdd9474131f",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         url: "https://git.kernel.org/stable/c/26d262b79a3587aaa84368586a55e9026c67841b",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/367cd9ceba1933b63bc1d87d967baf6d9fd241d2",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         tags: [
            "Patch",
         ],
         url: "https://git.kernel.org/stable/c/3fc70ae048fe0936761b73b50700a810ff61e853",
      },
      {
         source: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
         url: "https://git.kernel.org/stable/c/c3a3b6d9a9383e3c1a4a08878ba5046e68647595",
      },
   ],
   sourceIdentifier: "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
   vulnStatus: "Modified",
   weaknesses: [
      {
         description: [
            {
               lang: "en",
               value: "CWE-476",
            },
         ],
         source: "nvd@nist.gov",
         type: "Primary",
      },
   ],
}


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