CVE-2021-47407
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
KVM: x86: Handle SRCU initialization failure during page track init
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Handle SRCU initialization failure during page track init Check the return of init_srcu_struct(), which can fail due to OOM, when initializing the page track mechanism. Lack of checking leads to a NULL pointer deref found by a modified syzkaller. [Move the call towards the beginning of kvm_arch_init_vm. - Paolo]
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) |
|---|---|---|---|---|---|
| 0eb05bf290cfe8610d9680b49abef37febd1c38a | affected | git | deb2949417677649e2413266d7ce8c2ff73952b4 | Unavailable | None listed |
| 0eb05bf290cfe8610d9680b49abef37febd1c38a | affected | git | 4664318f73e496cd22c71b10888e75434a123e23 | Unavailable | None listed |
| 0eb05bf290cfe8610d9680b49abef37febd1c38a | affected | git | eb7511bf9182292ef1df1082d23039e856d1ddfb | 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) |
|---|---|---|---|---|---|
| 4.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.6 | Unavailable | None listed |
| 5.10.71 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.14.10 | unaffected | semver | Unavailable | 5.14.* | None listed |
| 5.15 | unaffected | original_commit_for_fix | Unavailable | * | None listed |