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TI-2020-10063 Aliases CVE-2020-12654GHSA-r2mg-x3w3-w45q

An issue was found in Linux kernel before 5.5.4.

Priority LOW 34CWE-787Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
Required
Attack complexity
High
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-787 and the CVSS impact.

Summary

An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in drivers/net/wireless/marvell/mwifiex/wmm.c allows a remote AP to trigger a heap-based buffer overflow because of an incorrect memcpy, aka CID-3a9b153c5591.

Why it matters now

EPSS 0.01218 68th percentileScored 2026-11-07
Fix Partial Red Hat: 12 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 · 1

CPEVersionsRoleVendor
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*before 5.5.4VulnerableLinux
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 5.5.4 Vulnerable ·Linux

Remediation

Red Hat 12 advisories

  • RHSA-2020:3432 Released 2020-08-12 · Red Hat rating Important
    kernel security update
    • Red Hat Enterprise Linux Server AUS (v. 7.4) kernel-3.10.0-693.72.1.el7, kernel-abi-whitelists-3.10.0-693.72.1.el7, kernel-debug-3.10.0-693.72.1.el7 +8
    • Red Hat Enterprise Linux Server E4S (v. 7.4) kernel-3.10.0-693.72.1.el7, kernel-abi-whitelists-3.10.0-693.72.1.el7, kernel-bootwrapper-3.10.0-693.72.1.el7 +9
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.72.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debug-devel-3.10.0-693.72.1.el7, kernel-tools-libs-devel-3.10.0-693.72.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-tools-libs-devel-3.10.0-693.72.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.4) kernel-3.10.0-693.72.1.el7, kernel-abi-whitelists-3.10.0-693.72.1.el7, kernel-debug-3.10.0-693.72.1.el7 +8
  • RHSA-2020:3389 Released 2020-08-11 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat MRG Realtime for RHEL 6 Server v.2 kernel-rt-1:3.10.0-693.72.1.rt56.672.el6rt, kernel-rt-debug-1:3.10.0-693.72.1.rt56.672.el6rt, kernel-rt-debug-devel-1:3.10.0-693.72.1.rt56.672.el6rt +7
  • RHSA-2020:3232 Released 2020-07-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.2) kernel-3.10.0-327.90.2.el7, kernel-abi-whitelists-3.10.0-327.90.2.el7, kernel-debug-3.10.0-327.90.2.el7 +8
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-tools-libs-devel-3.10.0-327.90.2.el7
Show 9 more Red Hat advisories
  • RHSA-2020:3226 Released 2020-07-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) bpftool-3.10.0-957.58.2.el7, kernel-3.10.0-957.58.2.el7, kernel-abi-whitelists-3.10.0-957.58.2.el7 +9
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-tools-libs-devel-3.10.0-957.58.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.6) bpftool-3.10.0-957.58.2.el7, kernel-3.10.0-957.58.2.el7, kernel-abi-whitelists-3.10.0-957.58.2.el7 +12
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debug-devel-3.10.0-957.58.2.el7, kernel-tools-libs-devel-3.10.0-957.58.2.el7
    • Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUS kernel-devel-3.10.0-957.58.2.el7, kernel-headers-3.10.0-957.58.2.el7, perf-3.10.0-957.58.2.el7 +1
  • RHSA-2020:3224 Released 2020-07-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) bpftool-3.10.0-1062.31.2.el7, kernel-3.10.0-1062.31.2.el7, kernel-abi-whitelists-3.10.0-1062.31.2.el7 +9
    • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) kernel-tools-libs-devel-3.10.0-1062.31.2.el7
    • Red Hat Enterprise Linux Server EUS (v. 7.7) bpftool-3.10.0-1062.31.2.el7, kernel-3.10.0-1062.31.2.el7, kernel-abi-whitelists-3.10.0-1062.31.2.el7 +12
    • Red Hat Enterprise Linux Server Optional EUS (v. 7.7) kernel-debug-devel-3.10.0-1062.31.2.el7, kernel-tools-libs-devel-3.10.0-1062.31.2.el7
  • RHSA-2020:3222 Released 2020-07-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat CodeReady Linux Builder EUS (v. 8.1) kernel-tools-libs-devel-4.18.0-147.24.2.el8_1
    • Red Hat Enterprise Linux BaseOS EUS (v. 8.1) bpftool-4.18.0-147.24.2.el8_1, kernel-4.18.0-147.24.2.el8_1, kernel-abi-whitelists-4.18.0-147.24.2.el8_1 +19
  • RHSA-2020:3220 Released 2020-07-29 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Client (v. 7) bpftool-3.10.0-1127.18.2.el7, kernel-3.10.0-1127.18.2.el7, kernel-abi-whitelists-3.10.0-1127.18.2.el7 +8
    • Red Hat Enterprise Linux Client Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.18.2.el7
    • Red Hat Enterprise Linux ComputeNode (v. 7) bpftool-3.10.0-1127.18.2.el7, kernel-3.10.0-1127.18.2.el7, kernel-abi-whitelists-3.10.0-1127.18.2.el7 +8
    • Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.18.2.el7
    • Red Hat Enterprise Linux Server (v. 7) bpftool-3.10.0-1127.18.2.el7, kernel-3.10.0-1127.18.2.el7, kernel-abi-whitelists-3.10.0-1127.18.2.el7 +11
    • Red Hat Enterprise Linux Server Optional (v. 7) kernel-debug-devel-3.10.0-1127.18.2.el7, kernel-tools-libs-devel-3.10.0-1127.18.2.el7
    • Red Hat Enterprise Linux Workstation (v. 7) bpftool-3.10.0-1127.18.2.el7, kernel-3.10.0-1127.18.2.el7, kernel-abi-whitelists-3.10.0-1127.18.2.el7 +8
    • Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-tools-libs-devel-3.10.0-1127.18.2.el7
  • RHSA-2020:3221 Released 2020-07-29 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Realtime (v. 7) kernel-rt-3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debug-3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debug-devel-3.10.0-1127.18.2.rt56.1116.el7 +4
    • Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt-3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debug-3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debug-devel-3.10.0-1127.18.2.rt56.1116.el7 +7
  • RHSA-2020:3041 Released 2020-07-21 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux BaseOS E4S (v. 8.0) bpftool-4.18.0-80.27.1.el8_0, kernel-4.18.0-80.27.1.el8_0, kernel-abi-whitelists-4.18.0-80.27.1.el8_0 +14
  • RHSA-2020:3016 Released 2020-07-21 · Red Hat rating Important
    kernel-rt security and bug fix update
    • Red Hat Enterprise Linux Real Time (v. 8) kernel-rt-4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-core-4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-4.18.0-193.13.2.rt13.65.el8_2 +7
    • Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt-4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-core-4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-4.18.0-193.13.2.rt13.65.el8_2 +9
  • RHSA-2020:3010 Released 2020-07-21 · Red Hat rating Important
    kernel security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) kernel-tools-libs-devel-4.18.0-193.13.2.el8_2
    • Red Hat Enterprise Linux BaseOS (v. 8) bpftool-4.18.0-193.13.2.el8_2, kernel-4.18.0-193.13.2.el8_2, kernel-abi-whitelists-4.18.0-193.13.2.el8_2 +19
  • RHSA-2020:2832 Released 2020-07-07 · Red Hat rating Important
    kernel security and bug fix update
    • Red Hat Enterprise Linux Server AUS (v. 7.3) kernel-3.10.0-514.78.1.el7, kernel-abi-whitelists-3.10.0-514.78.1.el7, kernel-debug-3.10.0-514.78.1.el7 +7
    • Red Hat Enterprise Linux Server E4S (v. 7.3) kernel-3.10.0-514.78.1.el7, kernel-abi-whitelists-3.10.0-514.78.1.el7, kernel-bootwrapper-3.10.0-514.78.1.el7 +8
    • Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.78.1.el7
    • Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debug-devel-3.10.0-514.78.1.el7, kernel-tools-libs-devel-3.10.0-514.78.1.el7
    • Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-tools-libs-devel-3.10.0-514.78.1.el7
    • Red Hat Enterprise Linux Server TUS (v. 7.3) kernel-3.10.0-514.78.1.el7, kernel-abi-whitelists-3.10.0-514.78.1.el7, kernel-debug-3.10.0-514.78.1.el7 +7

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2020:3010
Red Hat CodeReady Linux Builder EUS (v. 8.1)Fixed RHSA-2020:3222
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2020:3010
Red Hat Enterprise Linux BaseOS E4S (v. 8.0)Fixed RHSA-2020:3041
Red Hat Enterprise Linux BaseOS EUS (v. 8.1)Fixed RHSA-2020:3222
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux ComputeNode EUS (v. 7.6)Fixed RHSA-2020:3226
Red Hat Enterprise Linux ComputeNode EUS (v. 7.7)Fixed RHSA-2020:3224
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6)Fixed RHSA-2020:3226
Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7)Fixed RHSA-2020:3224
Red Hat Enterprise Linux Real Time (v. 8)Fixed RHSA-2020:3016
Red Hat Enterprise Linux Real Time for NFV (v. 8)Fixed RHSA-2020:3016
Red Hat Enterprise Linux Realtime (v. 7)Fixed RHSA-2020:3221
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux Server AUS (v. 7.2)Fixed RHSA-2020:3232
Red Hat Enterprise Linux Server AUS (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server AUS (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Server E4S (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server E4S (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:3226
Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2020:3224
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux Server Optional AUS (v. 7.2)Fixed RHSA-2020:3232
Red Hat Enterprise Linux Server Optional AUS (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server Optional AUS (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Server Optional E4S (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server Optional E4S (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Server Optional EUS (v. 7.6)Fixed RHSA-2020:3226
Red Hat Enterprise Linux Server Optional EUS (v. 7.7)Fixed RHSA-2020:3224
Red Hat Enterprise Linux Server Optional TUS (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server Optional TUS (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Server TUS (v. 7.3)Fixed RHSA-2020:2832
Red Hat Enterprise Linux Server TUS (v. 7.4)Fixed RHSA-2020:3432
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2020:3220
Red Hat Enterprise Linux for Real Time for NFV (v. 7)Fixed RHSA-2020:3221
Red Hat MRG Realtime for RHEL 6 Server v.2Fixed RHSA-2020:3389
Red Hat Virtualization 4.2 Hypervisor for RHEL 7.6 EUSFixed RHSA-2020:3226
Not affected: 6 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux BaseOS E4S (v. 8.0)
  • Red Hat Enterprise Linux Server AUS (v. 7.3)
  • Red Hat Enterprise Linux Server E4S (v. 7.3)
  • Red Hat Enterprise Linux Server TUS (v. 7.3)

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12654
  2. 2026-10-03 Alias added: GHSA-r2mg-x3w3-w45q

References

Patch 2

Advisory 7

Other 3

  • 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