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.
CVE-2020-12654
This high-severity CVE scores 7.1 under NVD CVSS v3. EPSS exploit probability: 1.2%, top 35% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.1
- EG Score
- 7.1(medium)
- EG Risk
- 37(Track)EG Risk 37/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity71% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 1%
- EPSS %ILE
- 66%
- KEV
- Not listed
Published
May 5, 2020
Last Modified
November 21, 2024
References (24)
- cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- cve@mitrehttp://www.openwall.com/lists/oss-security/2020/05/08/2
- cve@mitrehttps://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4
- cve@mitrehttps://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a9b153c5591548612c3955c9600a98150c81875
- cve@mitrehttps://github.com/torvalds/linux/commit/3a9b153c5591548612c3955c9600a98150c81875
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- cve@mitrehttps://security.netapp.com/advisory/ntap-20200608-0001/
- cve@mitrehttps://usn.ubuntu.com/4392-1/
- cve@mitrehttps://usn.ubuntu.com/4393-1/
- cve@mitrehttps://www.debian.org/security/2020/dsa-4698
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/05/08/2
- af854a3a-2127-422b-91ae-364da2661108https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4
Patch Availability(14)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-lowlatency (3.13.0.180.189) @ trusty | 2026-05-27 | ubuntu |
| ubuntu | linux-image-powerpc64-smp (3.2.0.147.161) @ precise | 2026-05-27 | ubuntu |
| redhat | kernel-0:3.10.0-693.72.1.el7 | 2020-08-12 | redhat |
| redhat | kernel-rt-1:3.10.0-693.72.1.rt56.672.el6rt | 2020-08-11 | redhat |
| redhat | kernel-rt-0:3.10.0-1127.18.2.rt56.1116.el7 | 2020-07-29 | redhat |
| redhat | kernel-0:3.10.0-957.58.2.el7 | 2020-07-29 | redhat |
| redhat | kernel-0:3.10.0-1127.18.2.el7 | 2020-07-29 | redhat |
| redhat | kernel-0:4.18.0-147.24.2.el8_1 | 2020-07-29 | redhat |
| redhat | kernel-0:3.10.0-1062.31.2.el7 | 2020-07-29 | redhat |
| redhat | kernel-0:3.10.0-327.90.2.el7 | 2020-07-29 | redhat |
| redhat | kernel-0:4.18.0-193.13.2.el8_2 | 2020-07-21 | redhat |
| redhat | kernel-rt-0:4.18.0-193.13.2.rt13.65.el8_2 | 2020-07-21 | redhat |
| redhat | kernel-0:4.18.0-80.27.1.el8_0 | 2020-07-21 | redhat |
| redhat | kernel-0:3.10.0-514.78.1.el7 | 2020-07-07 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(7 across 6 ecosystems)
Debian:8(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 3.16.36-1 ... 3.16.81-1 (70 versions) | 3.16.84-1 | — |
| linux-4.9 | 4.9.110-1~deb8u1, 4.9.144-3.1~deb8u1, 4.9.168-1~deb8u1, 4.9.189-3~deb8u1, 4.9.210-1~deb8u1 | 4.9.210-1+deb9u1~deb8u1 | — |
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.5.13-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.5.13-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.5.13-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | — | 5.5.13-1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| linux | 4.9.107-1 ... 4.9.88-1~bpo8+1 (59 versions) | 4.9.210-1+deb9u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(15)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Microsoft MSRCCVE-2020-126542020-09-25
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.
- Red HatRHSA-2020:2832IMPORTANT2020-01-27
RHSA-2020:2832 — Important
- Red HatRHSA-2020:3010IMPORTANT2020-01-27
RHSA-2020:3010 — Important
- Red HatRHSA-2020:3016IMPORTANT2020-01-27
RHSA-2020:3016 — Important
- Red HatRHSA-2020:3041IMPORTANT2020-01-27
RHSA-2020:3041 — Important
- Red HatRHSA-2020:3220IMPORTANT2020-01-27
RHSA-2020:3220 — Important
- Red HatRHSA-2020:3221IMPORTANT2020-01-27
RHSA-2020:3221 — Important
- Red HatRHSA-2020:3222IMPORTANT2020-01-27
RHSA-2020:3222 — Important
- Red HatRHSA-2020:3224IMPORTANT2020-01-27
RHSA-2020:3224 — Important
- Red HatRHSA-2020:3226IMPORTANT2020-01-27
RHSA-2020:3226 — Important
- Red HatRHSA-2020:3232IMPORTANT2020-01-27
RHSA-2020:3232 — Important
- Red HatRHSA-2020:3389IMPORTANT2020-01-27
RHSA-2020:3389 — Important
- Red HatRHSA-2020:3432IMPORTANT2020-01-27
RHSA-2020:3432 — Important
- UbuntuUSN-4392-1HIGH
Linux kernel vulnerabilities
- UbuntuUSN-4393-1HIGH
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 31× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 128 total refreshes for this CVE.
- 2026-08-20 22:51 UTCEPSS rescore
- 2026-08-20 22:45 UTCOSV refresh
- 2026-08-19 17:00 UTCEPSS rescore
- 2026-08-18 13:44 UTCEPSS rescore
- 2026-08-17 13:43 UTCEPSS rescore
- 2026-08-16 14:52 UTCEPSS rescore
- 2026-08-16 02:11 UTCEPSS rescore
- 2026-08-15 01:26 UTCEPSS rescore
- 2026-08-13 21:57 UTCEPSS rescore
- 2026-08-12 13:47 UTCEPSS rescore
- 2026-08-09 13:43 UTCEPSS rescore
- 2026-08-08 16:33 UTCEPSS rescore
- 2026-08-07 16:23 UTCEPSS rescore
- 2026-08-06 13:43 UTCEPSS rescore
- 2026-08-05 19:14 UTCEPSS rescore
- 2026-08-05 14:10 UTCOSV refresh
- 2026-08-04 15:06 UTCEPSS rescore
- 2026-08-04 10:34 UTCEPSS rescore
- 2026-08-03 10:32 UTCEPSS rescore
- 2026-08-02 02:23 UTCEPSS rescore
- 2026-08-01 04:12 UTCEPSS rescore
- 2026-07-30 16:24 UTCEPSS rescore
- 2026-07-30 01:27 UTCEPSS rescore
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
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- 2026-07-25 14:14 UTCEPSS rescore
- 2026-07-24 14:14 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:49 UTCEG score recompute
- 2026-07-22 22:33 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 12:54 UTCOSV refresh
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
- 2026-07-15 16:55 UTCEPSS rescore
- 2026-07-13 22:27 UTCEPSS rescore
- 2026-07-12 05:44 UTCEPSS rescore
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 22:31 UTCOSV refresh
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-24 14:03 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-23 21:31 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-16 17:50 UTCEPSS rescore
- 2026-06-15 17:46 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 03:13 UTCOSV refresh
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:20 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
- 2026-06-07 15:23 UTCEPSS rescore
Frequently asked(5)
What is CVE-2020-12654?
When was CVE-2020-12654 disclosed?
Is CVE-2020-12654 actively exploited?
What is the CVSS score of CVE-2020-12654?
How do I remediate CVE-2020-12654?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-12654
Is Your Infrastructure Affected by CVE-2020-12654?
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