FKIE_CVE-2019-20422

Vulnerability from fkie_nvd - Published: 2020-01-27 05:15 - Updated: 2024-11-21 04:38
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 before 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db.
References
cve@mitre.orghttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4Mailing List, Vendor Advisory
cve@mitre.orghttps://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966faPatch, Third Party Advisory
cve@mitre.orghttps://security.netapp.com/advisory/ntap-20200313-0003/
af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/torvalds/linux/commit/7b09c2d052db4b4ad0b27b97918b46a7746966faPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20200313-0003/
Impacted products
Vendor Product Version
linux linux_kernel *
To clipboard 

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              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel before 5.3.4, fib6_rule_lookup in net/ipv6/ip6_fib.c mishandles the RT6_LOOKUP_F_DST_NOREF flag in a reference-count decision, leading to (for example) a crash that was identified by syzkaller, aka CID-7b09c2d052db."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux versiones anteriores a 5.3.4, la funci\u00f3n fib6_rule_lookup en el archivo net/ipv6/ip6_fib.c maneja inapropiadamente el flag RT6_LOOKUP_F_DST_NOREF en una decisi\u00f3n de conteo de referencias, lo que conlleva a (por ejemplo) un bloqueo que fue identificado por syzkaller, tambi\u00e9n se conoce como CID-7b09c2d052db."
    }
  ],
  "id": "CVE-2019-20422",
  "lastModified": "2024-11-21T04:38:26.150",
  "metrics": {
    "cvssMetricV2": [
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        "baseSeverity": "LOW",
        "cvssData": {
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          "accessVector": "LOCAL",
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  "published": "2020-01-27T05:15:10.657",
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  "vulnStatus": "Modified",
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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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