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TI-2020-18605 Aliases CVE-2020-36322GHSA-phvx-v9j2-6wfr

An issue was discovered in the FUSE filesystem implementation in the Linux kernel before…

Priority LOW 25CWE-459Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 15 fixed, 3 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.00378 32nd percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 15 fixed, 3 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.10.6VulnerableLinux
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:starwindsoftware:starwind_virtual_san:8:14338:*:*:*:*:*:*8 14338VulnerableStarwindsoftware
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10.6 Vulnerable ·Linux
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:starwindsoftware:starwind_virtual_san:8:14338:*:*:*:*:*:* Versions 8 14338 Vulnerable ·Starwindsoftware

Remediation

Red Hat 5 advisories

  • RHSA-2022:0063 Released 2022-01-11 · Red Hat rating Moderate
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1160.53.1.el7, kernel-3.10.0-1160.53.1.el7, kernel-abi-whitelists-3.10.0-1160.53.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.53.1.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.53.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1160.53.1.el7, kernel-3.10.0-1160.53.1.el7, kernel-abi-whitelists-3.10.0-1160.53.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1160.53.1.el7, kernel-tools-libs-devel-3.10.0-1160.53.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1160.53.1.el7, kernel-3.10.0-1160.53.1.el7, kernel-abi-whitelists-3.10.0-1160.53.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.53.1.el7
  • RHSA-2022:0065 Released 2022-01-11 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.53.1.rt56.1193.el7, kernel-rt-debug-3.10.0-1160.53.1.rt56.1193.el7, kernel-rt-debug-devel-3.10.0-1160.53.1.rt56.1193.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.53.1.rt56.1193.el7, kernel-rt-debug-3.10.0-1160.53.1.rt56.1193.el7, kernel-rt-debug-devel-3.10.0-1160.53.1.rt56.1193.el7 +7
  • RHSA-2022:0072 Released 2022-01-11 · Red Hat rating Moderate
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-tools-libs-devel-4.18.0-193.71.1.el8_2
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.71.1.el8_2, kernel-4.18.0-193.71.1.el8_2, kernel-abi-whitelists-4.18.0-193.71.1.el8_2 +20
Show 2 more Red Hat advisories
  • RHSA-2022:0078 Released 2022-01-11 · Red Hat rating Moderate
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt-4.18.0-193.71.1.rt13.121.el8_2, kernel-rt-core-4.18.0-193.71.1.rt13.121.el8_2, kernel-rt-debug-4.18.0-193.71.1.rt13.121.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt-4.18.0-193.71.1.rt13.121.el8_2, kernel-rt-core-4.18.0-193.71.1.rt13.121.el8_2, kernel-rt-debug-4.18.0-193.71.1.rt13.121.el8_2 +9
  • RHSA-2021:1578 Released 2021-05-18 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-305.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-305.el8, kernel-4.18.0-305.el8, kernel-abi-stablelists-4.18.0-305.el8 +19

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2021:1578
Red Hat CodeReady Linux Builder EUS (v. 8.2)Fixed RHSA-2022:0072
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2021:1578
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2022:0072
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux Real Time EUS (v. 8.2)Fixed RHSA-2022:0078
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2)Fixed RHSA-2022:0078
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2022:0063
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2022:0065
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2022:0065
Not affected: 5 products
  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux BaseOS EUS (v. 8.2)
  • Red Hat Enterprise Linux Client (v. 7)
  • Red Hat Enterprise Linux Server (v. 7)
  • Red Hat Enterprise Linux Workstation (v. 7)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36322
  2. 2026-10-03 Alias added: GHSA-phvx-v9j2-6wfr

References

Patch 1

Advisory 5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences