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Vulnerability · Published Mar 15, 2021 · Assigned by mitre

CVE-2021-28375

High 7.8

In plain English

A high-severity security flaw in the linux package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.3%top 76.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.10.24-1DEBIAN-CVE-2021-28375
Debian:13linux5.10.24-1DEBIAN-CVE-2021-28375
Debian:14linux5.10.24-1DEBIAN-CVE-2021-28375
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-28375
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-28375
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-28375

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References