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WS-2021-0214

Good to know:

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Date: May 31, 2021

Linux/kernel in versions v5.6-rc1 to v5.12-rc7 is vulnerable to clobbering of SWERR overflow bit on writeback

Language: C

Severity Score

Related Resources (2)

https://github.com/torvalds/linux/commit/02981a44a0e402089775416371bd2e0c935685f8
https://www.mend.io/vulnerability-database/WS-2021-0214

Severity Score

Weakness Type (CWE)

Stack-based Buffer Overflow

CWE-121

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.13

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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