CVE-2020-12654 — Out-of-bounds Write in Kernel

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow13 documents10 sources
Severity
7.1HIGHNVD
OSV5.5
EPSS
0.4%
top 39.24%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxMsrc CBL Mariner 1.0 ARM+2 more
Timeline
PublishedMay 5
Latest updateApr 12

Description

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.

CVSS vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.2 | Impact: 5.9

Affected Packages7 packages

▶NVDlinux/linux_kernel< 5.5.4
▶Debianlinux/linux_kernel< 5.5.13-1+3
▶Ubuntulinux/linux_kernel< 3.13.0-180.231
▶debiandebian/linux< linux 5.5.13-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

4
GHSA
GHSA-r2mg-x3w3-w45q: An issue was found in Linux kernel before 5↗2022-05-24
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Kernel
fortify: Detect struct member overflows in memcpy() at compile-time↗2021-04-20
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OSV
linux, linux-lts-trusty vulnerabilities↗2020-06-10
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OSV
CVE-2020-12654: An issue was found in Linux kernel before 5↗2020-05-05
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📋Vendor Advisories

5
Ubuntu
Linux kernel vulnerabilities↗2020-06-10
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-10
▶
Microsoft
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 inc↗2020-05-12
▶
Red Hat
kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c↗2020-01-27
▶
Debian
CVE-2020-12654: linux - An issue was found in Linux kernel before 5.5.4. mwifiex_ret_wmm_get_status() in...↗2020
▶

📄Research Papers

1
arXiv
Securing Monolithic Kernels using Compartmentalization↗2024-04-12
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💬Community

2
Bugzilla
CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c↗2020-05-06
▶
Bugzilla
CVE-2020-12654 kernel: heap-based buffer overflow in mwifiex_ret_wmm_get_status function in drivers/net/wireless/marvell/mwifiex/wmm.c [fedora-all]↗2020-05-06
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