CVE-2020-12653 — Out-of-bounds Write in Kernel

CWE-787 — Out-of-bounds Write CWE-269 — Improper Privilege Management CWE-120 — Classic Buffer Overflow10 documents9 sources

Severity

7.8HIGHNVD

EPSS

0.2%

top 58.50%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Linux Kernel Debian Linux Opensuse Leap

Timeline

PublishedMay 5

Latest updateMay 24

Description

An issue was found in Linux kernel before 5.5.4. The mwifiex_cmd_append_vsie_tlv() function in drivers/net/wireless/marvell/mwifiex/scan.c allows local users to gain privileges or cause a denial of service because of an incorrect memcpy and buffer overflow, aka CID-b70261a288ea.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶NVDlinux/linux_kernel< 5.5.4

▶Debianlinux/linux_kernel< 5.5.13-1+3

▶NVDopensuse/leap15.1

Also affects: Debian Linux 8.0, 9.0

Patches

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

🔴Vulnerability Details

GHSA

GHSA-gj62-72x5-vwvc: 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

CVE-2020-12653: An issue was found in Linux kernel before 5↗2020-05-05

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CVEList

CVE-2020-12653: An issue was found in Linux kernel before 5↗2020-05-05

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📋Vendor Advisories

Microsoft

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Red Hat

kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c↗2020-01-27

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Debian

CVE-2020-12653: linux - An issue was found in Linux kernel before 5.5.4. The mwifiex_cmd_append_vsie_tlv...↗2020

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💬Community

Bugzilla

CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c↗2020-05-05

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Bugzilla

CVE-2020-12653 kernel: buffer overflow in mwifiex_cmd_append_vsie_tlv function in drivers/net/wireless/marvell/mwifiex/scan.c [fedora-all]↗2020-05-05

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