CVE-2026-43403
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
nsfs: tighten permission checks for ns iteration ioctls
In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for ns iteration ioctls Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use may_see_all_namespaces() helper that centralizes this policy until the nstree adapts.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| a1d220d9dafa8d76ba60a784a1016c3134e6a1e8 | affected | git | 3376b345df155ca36d8611857b41ff7d5183fc38 | Unavailable | None listed |
| a1d220d9dafa8d76ba60a784a1016c3134e6a1e8 | affected | git | 2f3dea284c761c890d676f77d5e55c0c496b4ef4 | Unavailable | None listed |
| a1d220d9dafa8d76ba60a784a1016c3134e6a1e8 | affected | git | 0ad650e60150eda789deca5e78a6a09d26bf8fc9 | Unavailable | None listed |
| a1d220d9dafa8d76ba60a784a1016c3134e6a1e8 | affected | git | e6b899f08066e744f89df16ceb782e06868bd148 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 6.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 6.12 | Unavailable | None listed |
| 6.12.78 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.20 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 6.19.9 | unaffected | semver | Unavailable | 6.19.* | None listed |
| 7.0 | unaffected | original_commit_for_fix | Unavailable | * | None listed |