CVE-2021-28375
High
Description
An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not prevent user applications from sending kernel RPC messages, aka CID-20c40794eb85. This is a related issue to CVE-2019-2308.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedMar 15, 2021
First seenMar 15, 2021
How to fix
Update
- linux linux_kernel5.4.106, 5.10.24, 5.11.7 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.1 ≤ v < 5.4.106, 5.5 ≤ v < 5.10.24, 5.11 ≤ v < 5.11.7 | 5.4.106, 5.10.24, 5.11.7 |
| fedoraproject fedora | 32, 33, 34 | — |
| netapp cloud_backup | No range specified | — |
| netapp solidfire_baseboard_management_controller_firmware | No range specified | — |
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