Skip to content
Heist/ feed
High

bpf: Fix regsafe() for pointers to packet

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix regsafe() for pointers to packet In case rold->reg->range == BEYOND_PKT_END && rcur->reg->range == N regsafe() may return true which may lead to current state with valid packet range not being explored. Fix the bug.

Announced Source revision 1
Original source ↗

CVE-2026-43030

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-2026-43030

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": "95b6ec733752b31bfd166c4609d2c1b5cdde9b47",
        "lessThan": "b52f6d0ef7b308f9d05bbddb78749852f28e8e40",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "37db6b9726d0bcf91cbdf9d63b558c50da49f968",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "015a74476dc1ab6923d89f1ee009aaf43faa7185",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "b99d82706bd1511bb875e3de7154698fd9215c99",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "7241da033fdc507b920e092dab1f97b945cb0370",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "8aebe18069394f4a79d2d82080a0f806da449996",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "ca995b1462ec6db1e869100ba1fb7356bd3f22f0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "6d94e741a8ff818e5518da8257f5ca0aaed1f269",
        "lessThan": "a8502a79e832b861e99218cbd2d8f4312d62e225",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.10.155",
        "lessThan": "5.10.253",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "kernel/bpf/verifier.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "5.11"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "5.11",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.10.253",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.203",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.168",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.134",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.81",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.22",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.12",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "kernel/bpf/verifier.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-43030

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#40005 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement