futex: Also allocate private hash on vfork()
In the Linux kernel, the following vulnerability has been resolved: futex: Also allocate private hash on vfork() As Jann demonstrated, it is entirely feasible to access the mm through vfork(). Therefore we need to allocate a private hash on vfork() as well as any other CLONE_VM user. Specifically, it must be avoided to have (private) futex waiters before allocating the private hash.
CVE-2026-98281
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-2026-98281
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": "1dcd36420af2da5bd59306dba9caf78e3d248b1d",
"lessThan": "5468a4855b63b30156a79e5248e01bf1a2c18dd7",
"versionType": "git"
},
{
"status": "affected",
"version": "ee9dce44362b2d8132c32964656ab6dff7dfbc6a",
"lessThan": "eecbafa8cabbc4d1482f6a5e2acc25a8f934681b",
"versionType": "git"
},
{
"status": "affected",
"version": "ee9dce44362b2d8132c32964656ab6dff7dfbc6a",
"lessThan": "b61b6f95d6722ddbbbd09e689fa41b55fd36f9a5",
"versionType": "git"
},
{
"status": "affected",
"version": "974ac49a9a068b0591a59f65c63eb06579a13091",
"versionType": "git"
},
{
"status": "affected",
"version": "6.18.33",
"lessThan": "6.18.54",
"versionType": "semver"
},
{
"status": "affected",
"version": "7.0.10",
"lessThan": "7.1",
"versionType": "semver"
}
],
"programFiles": [
"kernel/fork.c"
],
"defaultStatus": "unaffected"
},
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"product": "Linux",
"versions": [
{
"status": "affected",
"version": "7.1"
},
{
"status": "unaffected",
"version": "0",
"lessThan": "7.1",
"versionType": "semver"
},
{
"status": "unaffected",
"version": "6.18.54",
"versionType": "semver",
"lessThanOrEqual": "6.18.*"
},
{
"status": "unaffected",
"version": "7.2.8",
"versionType": "semver",
"lessThanOrEqual": "7.2.*"
},
{
"status": "unaffected",
"version": "7.3",
"versionType": "original_commit_for_fix",
"lessThanOrEqual": "*"
}
],
"programFiles": [
"kernel/fork.c"
],
"defaultStatus": "affected"
}
]- Related CVEs
- CVE-2026-98281
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #38359 · Revision 1
- Added to Heist Feed
- Publisher date