What’s Vulnerable › Vulnerabilities

CVE-2020-12653

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-05 · updated 2026-06-17
• Weakness: CWE-787

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.

Affected products

• Debian Linux: 8.0, 9.0
• Linux kernel: before 5.5.4 — fixed in 5.5.4
• NetApp A700S Firmware: all versions
• Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: all versions
• NetApp Cloud Backup: all versions
• NetApp Element Software: all versions
• NetApp H300E Firmware: all versions
• NetApp H300S Firmware: all versions
• NetApp H410C Firmware: all versions
• NetApp H410S Firmware: all versions
• NetApp H500E Firmware: all versions
• NetApp H500S Firmware: all versions
• NetApp H610C Firmware: all versions
• NetApp H610S Firmware: all versions
• NetApp H615C Firmware: all versions
• NetApp H700E Firmware: all versions
• NetApp H700S Firmware: all versions
• NetApp Hci Compute Node Firmware: all versions
• NetApp Hci Management Node: all versions
• NetApp Solidfire: all versions
• NetApp Steelstore Cloud Integrated Storage: all versions
• openSUSE Leap: 15.1

How to fix

Upgrade to a fixed version: Linux kernel 5.5.4. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
• http://www.openwall.com/lists/oss-security/2020/05/08/2
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.5.4
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d
• https://github.com/torvalds/linux/commit/b70261a288ea4d2f4ac7cd04be08a9f0f2de4f4d
• https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
• https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
• https://security.netapp.com/advisory/ntap-20200608-0001/
• https://www.debian.org/security/2020/dsa-4698
• http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
• http://www.openwall.com/lists/oss-security/2020/05/08/2

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