FKIE_CVE-2020-29369

Vulnerability from fkie_nvd - Published: 2020-11-28 07:15 - Updated: 2026-06-17 03:11
Summary
An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe.
References
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/02/10/6Mailing List, Patch, Third Party Advisory
cve@mitre.orghttp://www.openwall.com/lists/oss-security/2021/02/19/8Mailing List, Patch, Third Party Advisory
cve@mitre.orghttps://bugs.chromium.org/p/project-zero/issues/detail?id=2056Exploit, Issue Tracking, Patch, Third Party Advisory
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11Release Notes, Vendor Advisory
cve@mitre.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4cPatch, Vendor Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20210115-0001/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/10/6Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2021/02/19/8Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.chromium.org/p/project-zero/issues/detail?id=2056Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.11Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=246c320a8cfe0b11d81a4af38fa9985ef0cc9a4cPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20210115-0001/Third Party Advisory

{
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
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      "value": "An issue was discovered in mm/mmap.c in the Linux kernel before 5.7.11. There is a race condition between certain expand functions (expand_downwards and expand_upwards) and page-table free operations from an munmap call, aka CID-246c320a8cfe."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en el archivo mm/mmap.c en el kernel de Linux versiones anteriores a 5.7.11. Se presenta una condici\u00f3n de carrera entre determinadas funciones expand (expand_downwards y expand_upwards) y operaciones de liberaci\u00f3n de page-table de una llamada munmap, tambi\u00e9n se conoce como CID-246c320a8cfe"
    }
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  "id": "CVE-2020-29369",
  "lastModified": "2026-06-17T03:11:13.537",
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          "authentication": "NONE",
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          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
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          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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}



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