gsd-2022-47939
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.
Aliases
Aliases
CVE-2022-47939


To clipboard 

{
   GSD: {
      alias: "CVE-2022-47939",
      id: "GSD-2022-47939",
      references: [
         "https://www.suse.com/security/cve/CVE-2022-47939.html",
      ],
   },
   gsd: {
      metadata: {
         exploitCode: "unknown",
         remediation: "unknown",
         reportConfidence: "confirmed",
         type: "vulnerability",
      },
      osvSchema: {
         aliases: [
            "CVE-2022-47939",
         ],
         details: "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.",
         id: "GSD-2022-47939",
         modified: "2023-12-13T01:19:35.917894Z",
         schema_version: "1.4.0",
      },
   },
   namespaces: {
      "cve.org": {
         CVE_data_meta: {
            ASSIGNER: "cve@mitre.org",
            ID: "CVE-2022-47939",
            STATE: "PUBLIC",
         },
         affects: {
            vendor: {
               vendor_data: [
                  {
                     product: {
                        product_data: [
                           {
                              product_name: "n/a",
                              version: {
                                 version_data: [
                                    {
                                       version_value: "not down converted",
                                       x_cve_json_5_version_data: {
                                          versions: [
                                             {
                                                status: "unknown",
                                                version: "n/a",
                                             },
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                                 ],
                              },
                           },
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                     },
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         data_type: "CVE",
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         description: {
            description_data: [
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                  value: "An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.",
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         },
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         references: {
            reference_data: [
               {
                  name: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2",
                  refsource: "MISC",
                  url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2",
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                  url: "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
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                  name: "http://www.openwall.com/lists/oss-security/2022/12/23/10",
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                  url: "http://www.openwall.com/lists/oss-security/2022/12/23/10",
               },
               {
                  name: "https://www.zerodayinitiative.com/advisories/ZDI-22-1690/",
                  refsource: "MISC",
                  url: "https://www.zerodayinitiative.com/advisories/ZDI-22-1690/",
               },
               {
                  name: "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/",
                  refsource: "MISC",
                  url: "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/",
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                        versionStartIncluding: "5.15",
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                     {
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                        versionStartIncluding: "5.19",
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                  },
               ],
            },
            problemtype: {
               problemtype_data: [
                  {
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                        {
                           lang: "en",
                           value: "CWE-416",
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            },
            references: {
               reference_data: [
                  {
                     name: "https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
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                  },
                  {
                     name: "[oss-security] 20221223 Re: Details on this supposed Linux Kernel ksmbd RCE",
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                  {
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                     tags: [
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                     url: "https://www.secpod.com/blog/zero-day-server-message-block-smb-server-in-linux-kernel-5-15-has-a-critical-vulnerability-patch-ksmbd-immediately/",
                  },
               ],
            },
         },
         impact: {
            baseMetricV3: {
               cvssV3: {
                  attackComplexity: "LOW",
                  attackVector: "NETWORK",
                  availabilityImpact: "HIGH",
                  baseScore: 9.8,
                  baseSeverity: "CRITICAL",
                  confidentialityImpact: "HIGH",
                  integrityImpact: "HIGH",
                  privilegesRequired: "NONE",
                  scope: "UNCHANGED",
                  userInteraction: "NONE",
                  vectorString: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                  version: "3.1",
               },
               exploitabilityScore: 3.9,
               impactScore: 5.9,
            },
         },
         lastModifiedDate: "2023-05-16T11:03Z",
         publishedDate: "2022-12-23T16:15Z",
      },
   },
}


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