ghsa-6vpr-3pgw-5q44
Vulnerability from github
Published
2022-02-15 00:02
Modified
2024-01-11 21:31
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details

In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.

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{
   affected: [],
   aliases: [
      "CVE-2021-44879",
   ],
   database_specific: {
      cwe_ids: [
         "CWE-476",
      ],
      github_reviewed: false,
      github_reviewed_at: null,
      nvd_published_at: "2022-02-14T12:15:00Z",
      severity: "MODERATE",
   },
   details: "In gc_data_segment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a move_data_page NULL pointer dereference.",
   id: "GHSA-6vpr-3pgw-5q44",
   modified: "2024-01-11T21:31:13Z",
   published: "2022-02-15T00:02:48Z",
   references: [
      {
         type: "ADVISORY",
         url: "https://nvd.nist.gov/vuln/detail/CVE-2021-44879",
      },
      {
         type: "WEB",
         url: "https://bugzilla.kernel.org/show_bug.cgi?id=215231",
      },
      {
         type: "WEB",
         url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.3",
      },
      {
         type: "WEB",
         url: "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9056d6489f5a41cfbb67f719d2c0ce61ead72d9f",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html",
      },
      {
         type: "WEB",
         url: "https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html",
      },
      {
         type: "WEB",
         url: "https://lore.kernel.org/linux-f2fs-devel/20211206144421.3735-3-chao%40kernel.org/T",
      },
      {
         type: "WEB",
         url: "https://lore.kernel.org/linux-f2fs-devel/20211206144421.3735-3-chao@kernel.org/T",
      },
   ],
   schema_version: "1.4.0",
   severity: [
      {
         score: "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
         type: "CVSS_V3",
      },
   ],
}


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