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An issue was discovered in the Linux kernel through 5.6.2. mpol_parse_str in mm/mempolicy.c has a stack-based out-of-bounds write because an empty nodelist is mishandled during mount option parsing aka CID-aa9f7d5172fa. NOTE: Someone in the security community disagrees that this is a vulnerability because the issue “is a bug in parsing mount options which can only be specified by a privileged user so triggering the bug does not grant any powers not already held.”

🗓️ 18 Aug 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Linux kernel up to 5.6.2 has a stack-based out-of-bounds write in mpol_parse_str during empty nodelist mount option parsing.

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18 Aug 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 23.6
CVSS 3.16
EPSS0.00517
SSVC
1