CVE-2020-12654 json
An issue was found in Linux kernel before 5.5.4.
published 2020-05-05 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-4953
- cvss
- 7.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
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.
Patch / fix
- linux linux_kernel 5.5.4
- linux Debian 14, Debian 13, Debian 12 5.5.13-1
debian advisories DEBIAN-CVE-2020-12654
- linux Ubuntu 16.04 LTS 4.4.0-177.207
- linux Ubuntu 18.04 LTS 4.15.0-96.97
- linux-aws Ubuntu 16.04 LTS 4.4.0-1105.116
- linux-aws Ubuntu 18.04 LTS 4.15.0-1065.69
- linux-gcp Ubuntu 16.04 LTS 4.15.0-1060.64
- linux-hwe Ubuntu 16.04 LTS 4.15.0-96.97~16.04.1
- linux-hwe Ubuntu 18.04 LTS 5.3.0-51.44~18.04.2
- linux-kvm Ubuntu 16.04 LTS 4.4.0-1069.76
ubuntu advisories UBUNTU-CVE-2020-12654
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- kernel RHEL 7 3.10.0-1127.18.2.el7
- perf RHEL 7 3.10.0-1127.18.2.el7
- bpftool RHEL 7 3.10.0-1127.18.2.el7
- python-perf RHEL 7 3.10.0-1127.18.2.el7
- kernel-kdump RHEL 7 3.10.0-1127.18.2.el7
- kernel-tools RHEL 7 3.10.0-1127.18.2.el7
- kernel-tools-libs RHEL 7 3.10.0-1127.18.2.el7
- kernel-bootwrapper RHEL 7 3.10.0-1127.18.2.el7
red hat advisories RHSA-2020:3220RHSA-2020:3432RHSA-2020:3389RHSA-2020:3222RHSA-2020:3221RHSA-2020:3232
- kernel-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-syms-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-rt_debug Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-source-rt Real Time Module 15 SP1 4.12.14-14.28.1
- kernel-rt SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-syms-rt SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-rt_debug SLE Real Time 12 SP5 4.12.14-10.13.1
- kernel-source-rt SLE Real Time 12 SP5 4.12.14-10.13.1
suse advisories SUSE-SU-2020:2487-1SUSE-SU-2020:2478-1SUSE-SU-2020:2156-1SUSE-SU-2020:1779-1SUSE-SU-2020:1663-1SUSE-SU-2020:1605-1
- kernel-syms openSUSE Leap 15.1 4.12.14-lp151.28.52.1
- kernel-obs-qa openSUSE Leap 15.1 4.12.14-lp151.28.52.3
- kernel-source openSUSE Leap 15.1 4.12.14-lp151.28.52.1
- kernel-default openSUSE Leap 15.1 4.12.14-lp151.28.52.1
- kernel-vanilla openSUSE Leap 15.1 4.12.14-lp151.28.52.1
- kernel-kvmsmall openSUSE Leap 15.1 4.12.14-lp151.28.52.1
- kernel-obs-build openSUSE Leap 15.1 4.12.14-lp151.28.52.3
opensuse advisories openSUSE-SU-2020:0801-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-12654 updated cvss 7.1
kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c
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Red Hat Enterprise Linux 7 perf, kernel, kernel-alt, python-perf, kernel-kdump, kernel-tools, +3 moreaffected: workaround, no fix available
-
Red Hat CodeReady Linux Builder (v. 8) kernel-debuginfo-common-x86_64 4.18.0-193.13.2.el8_2, kernel-debuginfo-common-aarch64 4.18.0-193.13.2.el8_2, kernel-debuginfo-common-ppc64le 4.18.0-193.13.2.el8_2fixed: vendor fix RHSA-2020:3010
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Red Hat CodeReady Linux Builder EUS (v. 8.1) kernel-debuginfo-common-x86_64 4.18.0-147.24.2.el8_1, kernel-debuginfo-common-aarch64 4.18.0-147.24.2.el8_1, kernel-debuginfo-common-ppc64le 4.18.0-147.24.2.el8_1fixed: vendor fix RHSA-2020:3222
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Red Hat Enterprise Linux BaseOS (v. 8) perf 4.18.0-193.13.2.el8_2, kernel 4.18.0-193.13.2.el8_2, bpftool 4.18.0-193.13.2.el8_2, kernel-core 4.18.0-193.13.2.el8_2, kernel-tools 4.18.0-193.13.2.el8_2, python3-perf 4.18.0-193.13.2.el8_2, +15 morefixed: vendor fix RHSA-2020:3010
-
Red Hat Enterprise Linux BaseOS E4S (v. 8.0) perf 4.18.0-80.27.1.el8_0, kernel 4.18.0-80.27.1.el8_0, bpftool 4.18.0-80.27.1.el8_0, kernel-core 4.18.0-80.27.1.el8_0, kernel-tools 4.18.0-80.27.1.el8_0, python3-perf 4.18.0-80.27.1.el8_0, +9 morefixed: vendor fix RHSA-2020:3041
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Red Hat Enterprise Linux BaseOS EUS (v. 8.1) perf 4.18.0-147.24.2.el8_1, kernel 4.18.0-147.24.2.el8_1, bpftool 4.18.0-147.24.2.el8_1, kernel-core 4.18.0-147.24.2.el8_1, kernel-tools 4.18.0-147.24.2.el8_1, python3-perf 4.18.0-147.24.2.el8_1, +15 morefixed: vendor fix RHSA-2020:3222
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Red Hat Enterprise Linux Client (v. 7) perf 3.10.0-1127.18.2.el7, kernel 3.10.0-1127.18.2.el7, bpftool 3.10.0-1127.18.2.el7, python-perf 3.10.0-1127.18.2.el7, kernel-tools 3.10.0-1127.18.2.el7, kernel-tools-libs 3.10.0-1127.18.2.el7, +2 more Red Hat Enterprise Linux Client Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.18.2.el7 Red Hat Enterprise Linux ComputeNode (v. 7) perf 3.10.0-1127.18.2.el7, kernel 3.10.0-1127.18.2.el7, bpftool 3.10.0-1127.18.2.el7, python-perf 3.10.0-1127.18.2.el7, kernel-tools 3.10.0-1127.18.2.el7, kernel-tools-libs 3.10.0-1127.18.2.el7, +2 morefixed: vendor fix RHSA-2020:3220
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.6) perf 3.10.0-957.58.2.el7, kernel 3.10.0-957.58.2.el7, bpftool 3.10.0-957.58.2.el7, python-perf 3.10.0-957.58.2.el7, kernel-tools 3.10.0-957.58.2.el7, kernel-tools-libs 3.10.0-957.58.2.el7, +2 morefixed: vendor fix RHSA-2020:3226
show 28 moreshow fewer
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Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) perf 3.10.0-1062.31.2.el7, kernel 3.10.0-1062.31.2.el7, bpftool 3.10.0-1062.31.2.el7, python-perf 3.10.0-1062.31.2.el7, kernel-tools 3.10.0-1062.31.2.el7, kernel-tools-libs 3.10.0-1062.31.2.el7, +2 morefixed: vendor fix RHSA-2020:3224
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Red Hat Enterprise Linux ComputeNode Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.18.2.el7fixed: vendor fix RHSA-2020:3220
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) kernel-debuginfo-common-x86_64 3.10.0-957.58.2.el7fixed: vendor fix RHSA-2020:3226
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Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) kernel-debuginfo-common-x86_64 3.10.0-1062.31.2.el7fixed: vendor fix RHSA-2020:3224
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Red Hat Enterprise Linux for Real Time for NFV (v. 7) kernel-rt 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-kvm 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-trace 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debug-kvm 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-trace-kvm 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.18.2.rt56.1116.el7fixed: vendor fix RHSA-2020:3221
-
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-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-core 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-modules-extra 4.18.0-193.13.2.rt13.65.el8_2, +2 more Red Hat Enterprise Linux Real Time for NFV (v. 8) kernel-rt 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-kvm 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-modules 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-kvm 4.18.0-193.13.2.rt13.65.el8_2, kernel-rt-debug-core 4.18.0-193.13.2.rt13.65.el8_2, +4 morefixed: vendor fix RHSA-2020:3016
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Red Hat Enterprise Linux Realtime (v. 7) kernel-rt 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-trace 3.10.0-1127.18.2.rt56.1116.el7, kernel-rt-debuginfo-common-x86_64 3.10.0-1127.18.2.rt56.1116.el7fixed: vendor fix RHSA-2020:3221
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Red Hat Enterprise Linux Server (v. 7) perf 3.10.0-1127.18.2.el7, kernel 3.10.0-1127.18.2.el7, bpftool 3.10.0-1127.18.2.el7, python-perf 3.10.0-1127.18.2.el7, kernel-kdump 3.10.0-1127.18.2.el7, kernel-tools 3.10.0-1127.18.2.el7, +7 morefixed: vendor fix RHSA-2020:3220
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Red Hat Enterprise Linux Server AUS (v. 7.2) perf 3.10.0-327.90.2.el7, kernel 3.10.0-327.90.2.el7, python-perf 3.10.0-327.90.2.el7, kernel-tools 3.10.0-327.90.2.el7, kernel-tools-libs 3.10.0-327.90.2.el7, kernel-abi-whitelists 3.10.0-327.90.2.el7, +1 morefixed: vendor fix RHSA-2020:3232
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Red Hat Enterprise Linux Server AUS (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-abi-whitelists 3.10.0-514.78.1.el7, +1 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server AUS (v. 7.4) perf 3.10.0-693.72.1.el7, kernel 3.10.0-693.72.1.el7, python-perf 3.10.0-693.72.1.el7, kernel-tools 3.10.0-693.72.1.el7, kernel-tools-libs 3.10.0-693.72.1.el7, kernel-abi-whitelists 3.10.0-693.72.1.el7, +1 morefixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Server E4S (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-bootwrapper 3.10.0-514.78.1.el7, +3 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server E4S (v. 7.4) perf 3.10.0-693.72.1.el7, kernel 3.10.0-693.72.1.el7, python-perf 3.10.0-693.72.1.el7, kernel-tools 3.10.0-693.72.1.el7, kernel-tools-libs 3.10.0-693.72.1.el7, kernel-bootwrapper 3.10.0-693.72.1.el7, +3 morefixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Server EUS (v. 7.6) perf 3.10.0-957.58.2.el7, kernel 3.10.0-957.58.2.el7, bpftool 3.10.0-957.58.2.el7, python-perf 3.10.0-957.58.2.el7, kernel-kdump 3.10.0-957.58.2.el7, kernel-tools 3.10.0-957.58.2.el7, +7 morefixed: vendor fix RHSA-2020:3226
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Red Hat Enterprise Linux Server EUS (v. 7.7) perf 3.10.0-1062.31.2.el7, kernel 3.10.0-1062.31.2.el7, bpftool 3.10.0-1062.31.2.el7, python-perf 3.10.0-1062.31.2.el7, kernel-kdump 3.10.0-1062.31.2.el7, kernel-tools 3.10.0-1062.31.2.el7, +7 morefixed: vendor fix RHSA-2020:3224
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Red Hat Enterprise Linux Server Optional (v. 7) kernel-debuginfo-common-ppc64 3.10.0-1127.18.2.el7, kernel-debuginfo-common-x86_64 3.10.0-1127.18.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-1127.18.2.el7fixed: vendor fix RHSA-2020:3220
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Red Hat Enterprise Linux Server Optional AUS (v. 7.2) kernel-debuginfo-common-x86_64 3.10.0-327.90.2.el7fixed: vendor fix RHSA-2020:3232
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Red Hat Enterprise Linux Server Optional AUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional AUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.72.1.el7fixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Server Optional E4S (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional E4S (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.72.1.el7, kernel-debuginfo-common-ppc64le 3.10.0-693.72.1.el7fixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Server Optional EUS (v. 7.6) kernel-debuginfo-common-ppc64 3.10.0-957.58.2.el7, kernel-debuginfo-common-x86_64 3.10.0-957.58.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-957.58.2.el7fixed: vendor fix RHSA-2020:3226
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Red Hat Enterprise Linux Server Optional EUS (v. 7.7) kernel-debuginfo-common-ppc64 3.10.0-1062.31.2.el7, kernel-debuginfo-common-x86_64 3.10.0-1062.31.2.el7, kernel-debuginfo-common-ppc64le 3.10.0-1062.31.2.el7fixed: vendor fix RHSA-2020:3224
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Red Hat Enterprise Linux Server Optional TUS (v. 7.3) kernel-debuginfo-common-x86_64 3.10.0-514.78.1.el7fixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server Optional TUS (v. 7.4) kernel-debuginfo-common-x86_64 3.10.0-693.72.1.el7fixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Server TUS (v. 7.3) perf 3.10.0-514.78.1.el7, kernel 3.10.0-514.78.1.el7, python-perf 3.10.0-514.78.1.el7, kernel-tools 3.10.0-514.78.1.el7, kernel-tools-libs 3.10.0-514.78.1.el7, kernel-abi-whitelists 3.10.0-514.78.1.el7, +1 morefixed: vendor fix RHSA-2020:2832
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Red Hat Enterprise Linux Server TUS (v. 7.4) perf 3.10.0-693.72.1.el7, kernel 3.10.0-693.72.1.el7, python-perf 3.10.0-693.72.1.el7, kernel-tools 3.10.0-693.72.1.el7, kernel-tools-libs 3.10.0-693.72.1.el7, kernel-abi-whitelists 3.10.0-693.72.1.el7, +1 morefixed: vendor fix RHSA-2020:3432
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Red Hat Enterprise Linux Workstation (v. 7) perf 3.10.0-1127.18.2.el7, kernel 3.10.0-1127.18.2.el7, bpftool 3.10.0-1127.18.2.el7, python-perf 3.10.0-1127.18.2.el7, kernel-tools 3.10.0-1127.18.2.el7, kernel-tools-libs 3.10.0-1127.18.2.el7, +2 more Red Hat Enterprise Linux Workstation Optional (v. 7) kernel-debuginfo-common-x86_64 3.10.0-1127.18.2.el7fixed: vendor fix RHSA-2020:3220
2 more fixed, 6 more not affected in the full advisory
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.22% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.1 | CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.3 | AV:A/AC:H/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
- Technology feeds
References
-
github.com
/torvalds/linux/commit/3a9b153c5591548612c3955c9600a98150c81875
patch, third-party-advisory
-
git.kernel.org
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3a9b153c5591548612c3955c9600a98150c81875
patch, vendor-advisory
-
debian.org
/security/2020/dsa-4698
vendor-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-06/msg00022.html
vendor-advisory
-
usn.ubuntu.com
/4392-1/
vendor-advisory
-
usn.ubuntu.com
/4393-1/
vendor-advisory
-
cdn.kernel.org
/pub/linux/kernel/v5.x/ChangeLog-5.5.4
release-notes, vendor-advisory
-
openwall.com
/lists/oss-security/2020/05/08/2
mailing-list, third-party-advisory
-
security.netapp.com
/advisory/ntap-20200608-0001/
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/06/msg00011.html
mailing-list
-
lists.debian.org
/debian-lts-announce/2020/06/msg00012.html
mailing-list
-
lists.debian.org
/debian-lts-announce/2020/06/msg00013.html
mailing-list
Sources
- CVE List CVE-2020-12654
- NVD CVE-2020-12654
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.