medium5.5
CVE-2021-30178
An issue was discovered in the Linux kernel through 5.11.11.
Impact
An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | through 5.11.11 |
| Fedoraproject | Fedora | Versions 32, 33, 34 |
Weakness classification
References
- NVD record
- CVE.org record
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=919f4ebc598701670e80e31573a58f1f2d2bf918
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ5GEETMX3ERQ4DF3GSS2XPNSOOK44OB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGQDVYCDM3F5VXUZIADIV2ERL3AJXNJS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=919f4ebc598701670e80e31573a58f1f2d2bf918
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IJ5GEETMX3ERQ4DF3GSS2XPNSOOK44OB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TGQDVYCDM3F5VXUZIADIV2ERL3AJXNJS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5YFGIIF24475A2LNW3UWHW2SNCS3G7M/