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24 4.7 and has now had a couple of releases to stabilize. Xen Live patching
31 declare live patching as a 'Supported' feature on x86.
40 guests and it shall be treated as a security issue if this is not
45 If a correct live patch is loaded but it is not applied correctly
47 functions are patched), it shall be treated as a security issue.
52 results in an insecure host, this shall not be considered a security
58 If a live patch (whether created using livepatch-build-tools or some
61 issue being inappropriate to live patch, this is not considered as a
67 because the it can only be triggered by a privileged domain.
69 6) Bugs which allow a guest to prevent the application of a livepatch:
70 A guest should not be able to prevent the application of a live
72 of a live patch despite pausing it (xl pause ...), it shall be
73 treated as a security issue.
75 Note: It is expected that live patches are tested in a test environment
85 There is a caveat -- an incorrect live patch can introduce a guest->host
90 No, although an incorrect live patch can introduce a guest user->guest
98 There is a caveat -- an incorrect live patch can introduce an
101 4) Can a Denial-of-Service be triggered?
103 There are no known ways that an unprivileged guest can prevent a live
105 Once again, there is a caveat that an incorrect live patch can introduce