xen: P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of...
CVE-2022-33746 is fixed in xen on 1 platform, first by DEBIAN-CVE-2022-33746, released October 11, 2022. It is not reported as exploited. Patch Radar priority: Routine.
P2M pool freeing may take excessively long The P2M pool backing second level address translation for guests may be of significant size. Therefore its freeing may take more time than is reasonable without intermediate preemption checks. Such checking for the need to preempt was so far missing.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| xen · Debian 12.15 (bookworm) | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-33746 | Oct 11, 2022 |
| xen · Debian 13.5 (trixie) | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-33746 | Oct 11, 2022 |
| xen · Debian 14 | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-33746 | Oct 11, 2022 |
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