Description:
References:
 https://www.zerodayinitiative.com/advisories/ZDI-21-101/
 https://lkml.org/lkml/2021/1/26/735
Notes:
Bugs:
upstream: released (5.11-rc5) [bc895e8b2a64e502fbba72748d59618272052a8b]
5.10-upstream-stable: released (5.10.10) [5f52a8a71b62418d62c736e5aa68aaba0a8da918]
4.19-upstream-stable: N/A "Vulnerable code introduced later"
4.9-upstream-stable: N/A "Vulnerable code introduced later"
sid: released (5.10.12-1)
4.19-buster-security: N/A "Vulnerable code introduced later"
4.9-stretch-security: N/A "Vulnerable code introduced later"