bpf: Guard __get_user acesss with access_ok for uprobe_multi data
In the Linux kernel, the following vulnerability has been resolved: bpf: Guard __get_user acesss with access_ok for uprobe_multi data As reported by sashiko [1] we need to use access_ok to check the user space data bounds before we use __get-user to get it. [1] https://lore.kernel.org/bpf/20260610145235.CB1441F00893@smtp.kernel.org/
CVE-2026-74258
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-2026-74258
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": "89ae89f53d201143560f1e9ed4bfa62eee34f88e",
"lessThan": "ff6c5ee77dcc98381290d16af53f6262625870a6",
"versionType": "git"
},
{
"status": "affected",
"version": "89ae89f53d201143560f1e9ed4bfa62eee34f88e",
"lessThan": "2c387db784293256d35fd3d438f577cc82bb823d",
"versionType": "git"
},
{
"status": "affected",
"version": "89ae89f53d201143560f1e9ed4bfa62eee34f88e",
"lessThan": "a9f1395028c2bbe18e57864cc355c11faff488cb",
"versionType": "git"
},
{
"status": "affected",
"version": "89ae89f53d201143560f1e9ed4bfa62eee34f88e",
"lessThan": "c6d51ad36490013ee9df94a372d3bf794bd304d1",
"versionType": "git"
},
{
"status": "affected",
"version": "89ae89f53d201143560f1e9ed4bfa62eee34f88e",
"lessThan": "4d87a251d45b4a95eb4c0abcfab809c9f231258a",
"versionType": "git"
}
],
"programFiles": [
"kernel/trace/bpf_trace.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "6.6"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "6.6",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.6.158",
"versionType": "semver",
"lessThanOrEqual": "6.6.*"
},
{
"status": "unaffected",
"version": "6.12.111",
"versionType": "semver",
"lessThanOrEqual": "6.12.*"
},
{
"status": "unaffected",
"version": "6.18.53",
"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": [
"kernel/trace/bpf_trace.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-74258
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #33071 · Revision 1
- Added to Heist Feed
- Publisher date