High severity · published Mar 15, 2021
CVE-2021-28375
An issue was discovered in the Linux kernel through 5.11.6
7.8
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
5.1 before 5.4.106; 5.5 before 5.10.24; 5.11 before 5.11.7 · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
FE
Fedora · Fedoraproject
32; 33; 34 · source: NVD
SB
Solidfire Baseboard Management Controller Firmware · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-28375
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-28375
Mailing List
https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/
lore.kernel.org
https://lore.kernel.org/stable/YD03ew7+6v0XPh6l%40kroah.com/
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210401-0003/
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