CVE-2021-28375
First published: Mon Mar 15 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Linux Kernel | >=5.1<5.4.106 | |
| Linux Kernel | >=5.5<5.10.24 | |
| Linux Kernel | >=5.11<5.11.7 | |
| Red Hat Fedora | =32 | |
| Red Hat Fedora | =33 | |
| Red Hat Fedora | =34 | |
| NetApp Cloud Backup | ||
| NetApp SolidFire Baseboard Management Controller Firmware | ||
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.20-1 6.12.21-1 |
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Reference Links
- https://git.kernel.org/linus/20c40794eb85ea29852d7bc37c55713802a543d6
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OMRQVOTASD3VZP6GE4JJHE27QU6FHTZ6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TJPVQZPY3DHPV5I3IVNMSMO6D3PKZISX/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XAUNYDTGE6MB4NWL2SIHPCODCLET3JZB/
- https://lore.kernel.org/stable/YD03ew7+6v0XPh6l@kroah.com/
- https://security.netapp.com/advisory/ntap-20210401-0003/
- https://launchpad.net/bugs/cve/CVE-2021-28375
- 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://android.googlesource.com/kernel/common/+/20c40794eb85ea29852d7bc37c55713802a543d6
- https://source.android.com/docs/security/bulletin/2021-08-01 (Advisory)
- https://lore.kernel.org/stable/YD03ew7+6v0XPh6l@kroah.com
- https://security-tracker.debian.org/tracker/CVE-2021-28375
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28375
- https://nvd.nist.gov/vuln/detail/CVE-2021-28375
- https://ubuntu.com/security/CVE-2021-28375
Frequently Asked Questions
What is the severity of CVE-2021-28375?
CVE-2021-28375 has a moderate severity rating due to its potential exploitation in the Linux kernel.
How do I fix CVE-2021-28375?
To fix CVE-2021-28375, update to a patched version of the Linux kernel, such as 5.10.223-1 or later.
What versions of the Linux kernel are affected by CVE-2021-28375?
CVE-2021-28375 affects Linux kernel versions prior to 5.11.7, as well as earlier versions below 5.4.106 and 5.10.24.
Which distributions are impacted by CVE-2021-28375?
CVE-2021-28375 impacts multiple distributions, including Google Android and Fedoraproject Fedora versions 32, 33, and 34.
Is CVE-2021-28375 related to any other vulnerabilities?
Yes, CVE-2021-28375 is related to CVE-2019-2308, highlighting similar issues in the Linux kernel RPC messaging.
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