Description:
References:
 https://github.com/sickcodes/security/blob/master/advisories/SICK-2022-128.md
 https://sick.codes/sick-2022-128
Notes:
 carnil> Though 38fa5479b413 ("x86: Clear .brk area at early boot") was
 carnil> backported to various stable series, if I understand the report
 carnil> correctly the issue is only present for kernels which include
 carnil> 8b87d8cec1b3 ("x86/entry,xen: Early rewrite of
 carnil> restore_regs_and_return_to_kernel()") 5.18-rc1.
 carnil> Ben, please double-check if the triage is correct.
Bugs:
upstream: released (5.19-rc6) [38fa5479b41376dc9d7f57e71c83514285a25ca0]
5.10-upstream-stable: N/A "Vulnerability introduced later"
4.19-upstream-stable: N/A "Vulnerability introduced later"
sid: released (5.18.14-1)
5.10-bullseye-security: N/A "Vulnerability introduced later"
4.19-buster-security: N/A "Vulnerability introduced later"