CVE-2022-49426
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2022
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
iommu/arm-smmu-v3-sva: Fix mm use-after-free
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3-sva: Fix mm use-after-free We currently call arm64_mm_context_put() without holding a reference to the mm, which can result in use-after-free. Call mmgrab()/mmdrop() to ensure the mm only gets freed after we unpinned the ASID.
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) |
|---|---|---|---|---|---|
| 32784a9562fb0518b12e9797ee2aec52214adf6f | affected | git | fc90f13ea0dcd960e5002d204fa55cec4e0db2fa | Unavailable | None listed |
| 32784a9562fb0518b12e9797ee2aec52214adf6f | affected | git | e3cbbdbff8a4db5d053c53fd71be62ccccdb52b0 | Unavailable | None listed |
| 32784a9562fb0518b12e9797ee2aec52214adf6f | affected | git | 9aa215450888cf29af0c479e14a712dc6b0c506c | Unavailable | None listed |
| 32784a9562fb0518b12e9797ee2aec52214adf6f | affected | git | cbd23144f7662b00bcde32a938c4a4057e476d68 | 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) |
|---|---|---|---|---|---|
| 5.11 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.11 | Unavailable | None listed |
| 5.15.46 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 5.17.14 | unaffected | semver | Unavailable | 5.17.* | None listed |
| 5.18.3 | unaffected | semver | Unavailable | 5.18.* | None listed |
| 5.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |