CVE-2021-47296
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: PPC: Fix kvm_arch_vcpu_ioctl vcpu_load leak
vcpu_put is not called if the user copy fails. This can result in preempt notifier corruption and crashes, among other issues.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b3cebfe8c1cadf1817939dcc3688a2504a69c662 < 9bafc34dc4ad0cef18727c557f21ed3c3304df50 | affected |
| Linux | Linux | b3cebfe8c1cadf1817939dcc3688a2504a69c662 < f38527f1890543cdfca8dfd06f75f9887cce6151 | affected |
| Linux | Linux | b3cebfe8c1cadf1817939dcc3688a2504a69c662 < e14ef1095387f764d95614d3ec9e4d07c82a3533 | affected |
| Linux | Linux | b3cebfe8c1cadf1817939dcc3688a2504a69c662 < a4a488915feaad38345cc01b80d52e8200ff5209 | affected |
| Linux | Linux | b3cebfe8c1cadf1817939dcc3688a2504a69c662 < bc4188a2f56e821ea057aca6bf444e138d06c252 | affected |
| Linux | Linux | 4.18 | affected |
| Linux | Linux | 0 < 4.18 | unaffected |
| Linux | Linux | 4.19.199 <= 4.19.* | unaffected |
| Linux | Linux | 5.4.136 <= 5.4.* | unaffected |
| Linux | Linux | 5.10.54 <= 5.10.* | unaffected |
| Linux | Linux | 5.13.6 <= 5.13.* | unaffected |
| Linux | Linux | 5.14 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50
- https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151
- https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533
- https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209
- https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252
References
- https://git.kernel.org/stable/c/9bafc34dc4ad0cef18727c557f21ed3c3304df50
- https://git.kernel.org/stable/c/f38527f1890543cdfca8dfd06f75f9887cce6151
- https://git.kernel.org/stable/c/e14ef1095387f764d95614d3ec9e4d07c82a3533
- https://git.kernel.org/stable/c/a4a488915feaad38345cc01b80d52e8200ff5209
- https://git.kernel.org/stable/c/bc4188a2f56e821ea057aca6bf444e138d06c252
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