What’s Vulnerable › Vulnerabilities

CVE-2020-36322

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-14 · updated 2026-06-17
• Weakness: CWE-459

Description

An issue was discovered in the FUSE filesystem implementation in the Linux kernel before 5.10.6, aka CID-5d069dbe8aaf. fuse_do_getattr() calls make_bad_inode() in inappropriate situations, causing a system crash. NOTE: the original fix for this vulnerability was incomplete, and its incompleteness is tracked as CVE-2021-28950.

Affected products

• Debian Linux: 9.0, 10.0
• Linux kernel: before 5.10.6 — fixed in 5.10.6
• Starwindsoftware Starwind Virtual San: 8-14338

How to fix

Upgrade to a fixed version: Linux kernel 5.10.6. Check the vendor advisory for mitigations.

References

• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d069dbe8aaf2a197142558b6fb2978189ba3454
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
• https://www.debian.org/security/2022/dsa-5096
• https://www.starwindsoftware.com/security/sw-20220816-0001/
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.6
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5d069dbe8aaf2a197142558b6fb2978189ba3454
• https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html
• https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html
• https://www.debian.org/security/2022/dsa-5096
• https://www.starwindsoftware.com/security/sw-20220816-0001/

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