ghsa-c5f7-v4rr-qv23
Vulnerability from github
Published
2022-12-23 18:30
Modified
2022-12-30 18:30
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.

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{
   affected: [],
   aliases: [
      "CVE-2022-47939",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-416",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2022-12-23T16:15:00Z",
      severity: "CRITICAL",
   },
   details: "An issue was discovered in ksmbd in the Linux kernel before 5.19.2. fs/ksmbd/smb2pdu.c has a use-after-free and OOPS for SMB2_TREE_DISCONNECT.",
   id: "GHSA-c5f7-v4rr-qv23",
   modified: "2022-12-30T18:30:45Z",
   published: "2022-12-23T18:30:41Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2022-47939",
      },
      {
         type: "WEB",
         url: "https://github.com/torvalds/linux/commit/cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
      },
      {
         type: "WEB",
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cf6531d98190fa2cf92a6d8bbc8af0a4740a223c",
      },
      {
         type: "WEB",
         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",
      },
      {
         type: "WEB",
         url: "https://www.zerodayinitiative.com/advisories/ZDI-22-1690",
      },
      {
         type: "WEB",
         url: "http://www.openwall.com/lists/oss-security/2022/12/23/10",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
         type: "CVSS_V3",
      },
   ],
}


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