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ipv6: guard against possible NULL deref in __in6_dev_stats_get()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipv6: guard against possible NULL deref in __in6_dev_stats_get() dev_get_by_index_rcu() could return NULL if the original physical device is unregistered. Found by Sashiko.

Announced Source revision 1
Original source ↗

CVE-2026-80646

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-80646

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "a23f2c68c6635e41404f189f8f7ae910738cebdb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "e14db43677946bf2095febd294bb3c13ab375ab7",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "1a4adfbeb47a212a64539137411f1ca168474d33",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "1e3db30a88815bae6e9d5db6f64ac735e615a07e",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "952426a83ca75cea25c09d58944abafaa3ebd242",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "0db1949084e85a72d174a7dea3259b94fe5a9305",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "fc920c0659cdea5afd8721c1155a51564859e075",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f",
        "lessThan": "507541c2a8eeb76c02bd2511958f73a8cfa3e1bc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "a24963500a4ec921ce9c2597e0a584e44513afae",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "4.19.291",
        "lessThan": "4.20",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "include/net/addrconf.h"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.2"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.2",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.261",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.212",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.178",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.145",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.97",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.40",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "7.1.5",
        "versionType": "semver",
        "lessThanOrEqual": "7.1.*"
      },
      {
        "status": "unaffected",
        "version": "7.2",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "include/net/addrconf.h"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-80646

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#34350 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement