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Vulnerability · Published Jul 26, 2021 · Assigned by mitre

CVE-2021-37576

High 7.8

In plain English

A high-severity security flaw in the kernel-tools-libs-devel package (AlmaLinux). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.6%top 52.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

arch/powerpc/kvm/book3s_rtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtas_args.nargs, aka CID-f62f3c20647e.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8kernel-tools-libs-devel4.18.0-305.17.1.el8_4ALSA-2021:3447
Debian:12linux5.14.6-1DEBIAN-CVE-2021-37576
Debian:13linux5.14.6-1DEBIAN-CVE-2021-37576
Debian:14linux5.14.6-1DEBIAN-CVE-2021-37576
Rocky Linux:8kernel0:4.18.0-305.17.1.el8_4RLSA-2021:3447
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-37576
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-37576
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-37576

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References