Home/CVE/An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not p
CVE

CVE-2021-28375

An issue was discovered in the Linux kernel through 5.11.6. fastrpc_internal_invoke in drivers/misc/fastrpc.c does not p

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.

HIGH · CVSS 7.8 EPSS 0.00059
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
▤

Affected Products & Versions

6
linux kernel>= 5.1 and < 5.4.106
linux kernel>= 5.5 and < 5.10.24
linux kernel>= 5.11 and < 5.11.7
fedoraproject fedoraall versions
netapp cloud backupall versions
netapp solidfire baseboard management controller firmwareall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Mar 2021 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

17
android-securityANDROID-2021-08-01High
suse-csafopenSUSE-SU-2021:1975-1
suse-csafopenSUSE-SU-2021:1977-1
suse-csafSUSE-SU-2021:1975-1
suse-csafSUSE-SU-2021:1977-1
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6Mailing ListPatchVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/
https://lore.kernel.org/stable/YD03ew7+6v0XPh6l%40kroah.com/
https://security.netapp.com/advisory/ntap-20210401-0003/Third Party Advisory
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