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TI-2020-18640 Aliases CVE-2020-36385GHSA-hpxg-r4xf-hphw

An issue was discovered in the Linux kernel before 5.10.

Priority LOW 37CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 41 fixed, 1 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

Why it matters now

EPSS 0.01476 74th percentileScored 2026-11-07
Fix Partial Red Hat: 20 advisoriesRed Hat: 41 fixed, 1 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 · 19

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.10VulnerableLinux
cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.10 Vulnerable ·Linux
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h300e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
Show 9 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*not specified by NVDVulnerableNetApp
cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*not specified by NVDRunning onNetApp
cpe:2.3:a:starwindsoftware:starwind_san_\&_nas:v8r12:*:*:*:*:*:*:*v8r12VulnerableStarwindsoftware
cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14338:*:*:*:*:*:*v8 build14338VulnerableStarwindsoftware
  • cpe:2.3:h:netapp:h500e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h700e:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NetApp
  • cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NetApp
  • cpe:2.3:a:starwindsoftware:starwind_san_\&_nas:v8r12:*:*:*:*:*:*:* Versions v8r12 Vulnerable ·Starwindsoftware
  • cpe:2.3:a:starwindsoftware:starwind_virtual_san:v8:build14338:*:*:*:*:*:* Versions v8 build14338 Vulnerable ·Starwindsoftware

Remediation

Red Hat 20 advisories

  • RHSA-2022:0157 Released 2022-01-18 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server (v. 6 ELS) kernel-2.6.32-754.43.1.el6, kernel-abi-whitelists-2.6.32-754.43.1.el6, kernel-debug-2.6.32-754.43.1.el6 +7
    • Red Hat Enterprise Linux Server Optional (v. 6 ELS) python-perf-2.6.32-754.43.1.el6
  • RHSA-2021:5035 Released 2021-12-08 · Red Hat rating Critical
    RHV-H security update (redhat-virtualization-host) 4.3.20
    • RHEL 7-based RHEV-H for RHEV 4 (build requirements) redhat-virtualization-host-4.3.20-20211202.1.el7_9, redhat-virtualization-host-image-update-4.3.20-20211202.1.el7_9
    • Red Hat Virtualization 4 Hypervisor for RHEL 7 redhat-virtualization-host-4.3.20-20211202.1.el7_9, redhat-virtualization-host-image-update-4.3.20-20211202.1.el7_9
  • RHSA-2021:4971 Released 2021-12-07 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux Server E4S (v. 7.7) kpatch-patch-3_10_0-1062_43_1-1-7.el7, kpatch-patch-3_10_0-1062_45_1-1-7.el7, kpatch-patch-3_10_0-1062_46_1-1-6.el7 +4
Show 17 more Red Hat advisories
  • RHSA-2021:4871 Released 2021-11-30 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v. 8.2) kernel-tools-libs-devel-4.18.0-193.70.1.el8_2
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) bpftool-4.18.0-193.70.1.el8_2, kernel-4.18.0-193.70.1.el8_2, kernel-abi-whitelists-4.18.0-193.70.1.el8_2 +19
  • RHSA-2021:4875 Released 2021-11-30 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time EUS (v. 8.2) kernel-rt-4.18.0-193.70.1.rt13.120.el8_2, kernel-rt-core-4.18.0-193.70.1.rt13.120.el8_2, kernel-rt-debug-4.18.0-193.70.1.rt13.120.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2) kernel-rt-4.18.0-193.70.1.rt13.120.el8_2, kernel-rt-core-4.18.0-193.70.1.rt13.120.el8_2, kernel-rt-debug-4.18.0-193.70.1.rt13.120.el8_2 +9
  • RHSA-2021:4859 Released 2021-11-30 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.2) kpatch-patch-4_18_0-193_37_1-1-11.el8_2, kpatch-patch-4_18_0-193_40_1-1-11.el8_2, kpatch-patch-4_18_0-193_41_1-1-11.el8_2 +8
  • RHSA-2021:4777 Released 2021-11-23 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1160.49.1.el7, kernel-3.10.0-1160.49.1.el7, kernel-abi-whitelists-3.10.0-1160.49.1.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.49.1.el7
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.49.1.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1160.49.1.el7, kernel-3.10.0-1160.49.1.el7, kernel-abi-whitelists-3.10.0-1160.49.1.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1160.49.1.el7, kernel-tools-libs-devel-3.10.0-1160.49.1.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1160.49.1.el7, kernel-3.10.0-1160.49.1.el7, kernel-abi-whitelists-3.10.0-1160.49.1.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1160.49.1.el7
  • RHSA-2021:4779 Released 2021-11-23 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux for Real Time (v. 7) kernel-rt-3.10.0-1160.49.1.rt56.1189.el7, kernel-rt-debug-3.10.0-1160.49.1.rt56.1189.el7, kernel-rt-debug-devel-3.10.0-1160.49.1.rt56.1189.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1160.49.1.rt56.1189.el7, kernel-rt-debug-3.10.0-1160.49.1.rt56.1189.el7, kernel-rt-debug-devel-3.10.0-1160.49.1.rt56.1189.el7 +7
  • RHSA-2021:4798 Released 2021-11-23 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux Server (v. 7) kpatch-patch-3_10_0-1160_11_1-1-10.el7, kpatch-patch-3_10_0-1160_15_2-1-10.el7, kpatch-patch-3_10_0-1160_21_1-1-8.el7 +7
  • RHSA-2021:4774 Released 2021-11-23 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 7.2) kernel-3.10.0-327.102.1.el7, kernel-abi-whitelists-3.10.0-327.102.1.el7, kernel-debug-3.10.0-327.102.1.el7 +7
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-tools-libs-devel-3.10.0-327.102.1.el7
  • RHSA-2021:4773 Released 2021-11-23 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux Server E4S (v. 7.6) kpatch-patch-3_10_0-957_65_1-1-7.el7, kpatch-patch-3_10_0-957_66_1-1-7.el7, kpatch-patch-3_10_0-957_70_1-1-6.el7 +5
  • RHSA-2021:4770 Released 2021-11-23 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.6) bpftool-3.10.0-957.86.1.el7, kernel-3.10.0-957.86.1.el7, kernel-abi-whitelists-3.10.0-957.86.1.el7 +8
    • Red Hat Enterprise Linux Server E4S (v. 7.6) kernel-3.10.0-957.86.1.el7, kernel-abi-whitelists-3.10.0-957.86.1.el7, kernel-bootwrapper-3.10.0-957.86.1.el7 +8
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.6) kernel-tools-libs-devel-3.10.0-957.86.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.6) kernel-debug-devel-3.10.0-957.86.1.el7, kernel-tools-libs-devel-3.10.0-957.86.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.6) kernel-tools-libs-devel-3.10.0-957.86.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.6) bpftool-3.10.0-957.86.1.el7, kernel-3.10.0-957.86.1.el7, kernel-abi-whitelists-3.10.0-957.86.1.el7 +8
  • RHSA-2021:4768 Released 2021-11-23 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 7.3) kernel-3.10.0-514.95.1.el7, kernel-abi-whitelists-3.10.0-514.95.1.el7, kernel-debug-3.10.0-514.95.1.el7 +7
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.95.1.el7
  • RHSA-2021:4692 Released 2021-11-16 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) kernel-3.10.0-693.95.1.el7, kernel-abi-whitelists-3.10.0-693.95.1.el7, kernel-debug-3.10.0-693.95.1.el7 +7
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.95.1.el7
  • RHSA-2021:4687 Released 2021-11-16 · Red Hat rating Important
    kernel security update
    • Red Hat CodeReady Linux Builder EUS (v. 8.1) kernel-tools-libs-devel-4.18.0-147.57.1.el8_1
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.1) bpftool-4.18.0-147.57.1.el8_1, kernel-4.18.0-147.57.1.el8_1, kernel-abi-whitelists-4.18.0-147.57.1.el8_1 +19
  • RHSA-2021:4597 Released 2021-11-10 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.1) kpatch-patch-4_18_0-147_34_1-1-12.el8_1, kpatch-patch-4_18_0-147_38_1-1-11.el8_1, kpatch-patch-4_18_0-147_43_1-1-9.el8_1 +7
  • RHSA-2021:4122 Released 2021-11-03 · Red Hat rating Important
    kpatch-patch security update
    • Red Hat Enterprise Linux BaseOS (v. 8) kpatch-patch-4_18_0-305-1-6.el8, kpatch-patch-4_18_0-305_10_2-1-3.el8_4, kpatch-patch-4_18_0-305_12_1-1-2.el8_4 +4
  • RHSA-2021:4088 Released 2021-11-02 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-4.18.0-305.25.1.rt7.97.el8_4 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-core-4.18.0-305.25.1.rt7.97.el8_4, kernel-rt-debug-4.18.0-305.25.1.rt7.97.el8_4 +9
  • RHSA-2021:4056 Released 2021-11-02 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-305.25.1.el8_4
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-305.25.1.el8_4, kernel-4.18.0-305.25.1.el8_4, kernel-abi-stablelists-4.18.0-305.25.1.el8_4 +19
  • RHSA-2021:3987 Released 2021-10-26 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.7) bpftool-3.10.0-1062.59.1.el7, kernel-3.10.0-1062.59.1.el7, kernel-abi-whitelists-3.10.0-1062.59.1.el7 +8
    • Red Hat Enterprise Linux Server E4S (v. 7.7) bpftool-3.10.0-1062.59.1.el7, kernel-3.10.0-1062.59.1.el7, kernel-abi-whitelists-3.10.0-1062.59.1.el7 +9
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.7) kernel-tools-libs-devel-3.10.0-1062.59.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.7) kernel-debug-devel-3.10.0-1062.59.1.el7, kernel-tools-libs-devel-3.10.0-1062.59.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.7) kernel-tools-libs-devel-3.10.0-1062.59.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.7) bpftool-3.10.0-1062.59.1.el7, kernel-3.10.0-1062.59.1.el7, kernel-abi-whitelists-3.10.0-1062.59.1.el7 +8

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
RHEL 7-based RHEV-H for RHEV 4 (build requirements)Fixed RHSA-2021:5035
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2021:4056
Red Hat CodeReady Linux Builder EUS (v. 8.1)Fixed RHSA-2021:4687
Red Hat CodeReady Linux Builder EUS (v. 8.2)Fixed RHSA-2021:4871
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2021:4056, RHSA-2021:4122
Red Hat Enterprise Linux BaseOS EUS (v. 8.1)Fixed RHSA-2021:4597, RHSA-2021:4687
Red Hat Enterprise Linux BaseOS EUS (v. 8.2)Fixed RHSA-2021:4859, RHSA-2021:4871
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2021:4088
Red Hat Enterprise Linux Real Time EUS (v. 8.2)Fixed RHSA-2021:4875
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2021:4088
Red Hat Enterprise Linux Real Time for NFV EUS (v. 8.2)Fixed RHSA-2021:4875
Red Hat Enterprise Linux Server (v. 6 ELS)Fixed RHSA-2022:0157
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2021:4777, RHSA-2021:4798
Red Hat Enterprise Linux Server AUS (v. 7.2)Fixed RHSA-2021:4774
Red Hat Enterprise Linux Server AUS (v. 7.3)Fixed RHSA-2021:4768
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2021:4692
Red Hat Enterprise Linux Server AUS (v. 7.6)Fixed RHSA-2021:4770
Red Hat Enterprise Linux Server AUS (v. 7.7)Fixed RHSA-2021:3987
Red Hat Enterprise Linux Server E4S (v. 7.6)Fixed RHSA-2021:4770, RHSA-2021:4773
Red Hat Enterprise Linux Server E4S (v. 7.7)Fixed RHSA-2021:3987, RHSA-2021:4971
Red Hat Enterprise Linux Server Optional (v. 6 ELS)Fixed RHSA-2022:0157
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux Server Optional AUS (v. 7.2)Fixed RHSA-2021:4774
Red Hat Enterprise Linux Server Optional AUS (v. 7.3)Fixed RHSA-2021:4768
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2021:4692
Red Hat Enterprise Linux Server Optional AUS (v. 7.6)Fixed RHSA-2021:4770
Red Hat Enterprise Linux Server Optional AUS (v. 7.7)Fixed RHSA-2021:3987
Red Hat Enterprise Linux Server Optional E4S (v. 7.6)Fixed RHSA-2021:4770
Red Hat Enterprise Linux Server Optional E4S (v. 7.7)Fixed RHSA-2021:3987
Red Hat Enterprise Linux Server Optional TUS (v. 7.6)Fixed RHSA-2021:4770
Red Hat Enterprise Linux Server Optional TUS (v. 7.7)Fixed RHSA-2021:3987
Red Hat Enterprise Linux Server TUS (v. 7.6)Fixed RHSA-2021:4770
Red Hat Enterprise Linux Server TUS (v. 7.7)Fixed RHSA-2021:3987
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2021:4777
Red Hat Enterprise Linux for Real Time (v. 7)Fixed RHSA-2021:4779
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2021:4779
Red Hat Virtualization 4 Hypervisor for RHEL 7Fixed RHSA-2021:5035
Not affected: 2 products
  • RHEL 7-based RHEV-H for RHEV 4 (build requirements)
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36385
  2. 2026-10-03 Alias added: GHSA-hpxg-r4xf-hphw

References

Patch 3

Advisory 3

Sources

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