Read the docs
TI-2020-08619 Aliases CVE-2020-10720GHSA-hx2j-322m-8267

Use after free in Kernel

Priority LOW 25CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 6 fixed, 2 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

A flaw was found in the Linux kernel's implementation of GRO in versions before 5.2. This flaw allows an attacker with local access to crash the system.

Why it matters now

EPSS 0.00336 27th percentileScored 2026-11-07
Fix Partial Red Hat: 3 advisoriesRed Hat: 6 fixed, 2 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—KernelKernel versions before 5.2—No fix listedCNA
  • Kernel Vendor— Affected Kernel versions before 5.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.2VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.2 Vulnerable ·Linux

Remediation

Red Hat 3 advisories

  • RHSA-2020:2854 Released 2020-07-07 · Red Hat rating Important
    kernel-alt security and bug fix update
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) kernel-4.14.0-115.26.1.el7a, kernel-abi-whitelists-4.14.0-115.26.1.el7a, kernel-alt-4.14.0-115.26.1.el7a +8
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) kernel-debug-devel-4.14.0-115.26.1.el7a, kernel-tools-libs-devel-4.14.0-115.26.1.el7a
  • RHSA-2019:3517 Released 2019-11-05 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-147.el8
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-147.el8, kernel-4.18.0-147.el8, kernel-abi-whitelists-4.18.0-147.el8 +19
  • RHSA-2019:3309 Released 2019-11-05 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-147.rt24.93.el8, kernel-rt-core-4.18.0-147.rt24.93.el8, kernel-rt-debug-4.18.0-147.rt24.93.el8 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-147.rt24.93.el8, kernel-rt-core-4.18.0-147.rt24.93.el8, kernel-rt-debug-4.18.0-147.rt24.93.el8 +9

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2019:3517
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2019:3517
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2019:3309
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2019:3309
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2020:2854
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2020:2854
Not affected: 3 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)
  • Red Hat Enterprise MRG 2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10720
  2. 2026-10-03 Alias added: GHSA-hx2j-322m-8267

References

Patch 2

  • TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
  • TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
  • TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
  • TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
  • TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
See all 15278 →

Sources

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