High
bpf: Fix regsafe() for pointers to packet
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 Group 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