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Description: KVM: SVM: avoid infinite loop on NPF from bad address
References:
https://lore.kernel.org/stable/YL70kh5%2FvLW8gmAY@eldamar.lan/
Notes:
bwh> Appears to have been introduced in 4.17 by commit 00b10fe1046c
bwh> "KVM: X86: Restart the guest when insn_len is zero and SEV is enabled".
bwh> Initially supposed to be fixed by e72436bc3a52 "KVM: SVM: avoid
bwh> infinite loop on NPF from bad address", but that was flawed.
Bugs:
upstream: released (5.17-rc2) [55467fcd55b89c622e62b4afe60ac0eb2fae91f2]
6.1-upstream-stable: N/A "Fixed before branch point"
5.10-upstream-stable: released (5.10.102) [9dcedbe943be8c93722c1ed68b59001b28b0d889]
4.19-upstream-stable: needed
4.9-upstream-stable: N/A "Vulnerability introduced later"
sid: released (5.16.7-1)
6.1-bookworm-security: N/A "Fixed before branch point"
5.10-bullseye-security: released (5.10.103-1)
4.19-buster-security: needed
4.9-stretch-security: N/A "Vulnerability introduced later"
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