CVE-2021-28950 — Excessive Iteration in Kernel
CWE-834 — Excessive IterationCWE-835 — Infinite LoopCWE-459 — Incomplete Cleanup17 documents8 sources
Severity
5.5MEDIUMNVD
OSV7.8OSV6.5OSV4.4
EPSS
0.0%
top 92.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 20
Latest updateFeb 14
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages7 packages
Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34
Patches
🔴Vulnerability Details
7GHSA▶
GHSA-phvx-v9j2-6wfr: An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5↗2022-05-24
OSV▶
linux, linux-aws, linux-azure, linux-gcp, linux-hwe-5.8, linux-kvm, linux-oracle, linux-raspi vulnerabilities↗2021-06-08
OSV▶
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.↗2021-06-08
OSV▶
CVE-2020-36322: An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5↗2021-04-14
📋Vendor Advisories
8Microsoft▶
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.↗2021-03-09
Red Hat▶
kernel: fuse: stall on CPU can occur because a retry loop continually finds the same bad inode↗2021-03-04