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Vulnerability · Published Mar 20, 2021 · Assigned by mitre

CVE-2021-28950

Medium 5.5

In plain English

A medium-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 0.4% (higher than 30% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.4%top 70.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in fs/fuse/fuse_i.h in the Linux kernel before 5.11.8. A "stall on CPU" can occur because a retry loop continually finds the same bad inode, aka CID-775c5033a0d1.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8kernel-tools-libs-devel4.18.0-348.el8ALSA-2021:4356
Debian:12linux5.10.24-1DEBIAN-CVE-2021-28950
Debian:13linux5.10.24-1DEBIAN-CVE-2021-28950
Debian:14linux5.10.24-1DEBIAN-CVE-2021-28950
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2021-28950
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2021-28950
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2021-28950

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References