Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr() vgic_v2_parse_attr() is responsible for finding the vCPU that matches the user-provided CPUID, which (of course) may not be valid. If the ID is invalid, kvm_get_vcpu_by_id() returns NULL, which isn't handled gracefully. Similar to the GICv3 uaccess flow, check that kvm_get_vcpu_by_id() actually returns something and fail the ioctl if not.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 7d450e2821710718fd6703e9c486249cee913bab before 4404465a1bee3607ad90a4c5f9e16dfd75b85728; affected 7d450e2821710718fd6703e9c486249cee913bab before 17db92da8be5dd3bf63c01f4109fe47db64fc66f; affected 7d450e2821710718fd6703e9c486249cee913bab before 3a5b0378ac6776c7c31b18e0f3c1389bd6005e80; affected 7d450e2821710718fd6703e9c486249cee913bab before 8d6a1c8e3de36cb0f5e866f1a582b00939e23104; affected 7d450e2821710718fd6703e9c486249cee913bab before 01981276d64e542c177b243f7c979fee855d5487; affected 7d450e2821710718fd6703e9c486249cee913bab before 6ddb4f372fc63210034b903d96ebbeb3c7195adb |
| Linux / Linux | affected 4.7; unaffected 0 before 4.7; unaffected 5.10.217 through 5.10.*; unaffected 5.15.159 through 5.15.*; unaffected 6.1.91 through 6.1.*; unaffected 6.6.31 through 6.6.*; unaffected 6.8.10 through 6.8.*; unaffected 6.9 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/4404465a1bee3607ad90a4c5f9e16dfd75b85728
- https://git.kernel.org/stable/c/17db92da8be5dd3bf63c01f4109fe47db64fc66f
- https://git.kernel.org/stable/c/3a5b0378ac6776c7c31b18e0f3c1389bd6005e80
- https://git.kernel.org/stable/c/8d6a1c8e3de36cb0f5e866f1a582b00939e23104
- https://git.kernel.org/stable/c/01981276d64e542c177b243f7c979fee855d5487
- https://git.kernel.org/stable/c/6ddb4f372fc63210034b903d96ebbeb3c7195adb
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.
- https://git.kernel.org/stable/c/4404465a1bee3607ad90a4c5f9e16dfd75b85728
- https://git.kernel.org/stable/c/17db92da8be5dd3bf63c01f4109fe47db64fc66f
- https://git.kernel.org/stable/c/3a5b0378ac6776c7c31b18e0f3c1389bd6005e80
- https://git.kernel.org/stable/c/8d6a1c8e3de36cb0f5e866f1a582b00939e23104
- https://git.kernel.org/stable/c/01981276d64e542c177b243f7c979fee855d5487
- https://git.kernel.org/stable/c/6ddb4f372fc63210034b903d96ebbeb3c7195adb
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.html