suse-su-2022:3665-1
Vulnerability from csaf_suse
Published
2022-10-19 18:29
Modified
2022-10-19 18:29
Summary
Security update for xen
Notes
Title of the patch
Security update for xen
Description of the patch
This update for xen fixes the following issues:
- CVE-2022-33746: Fixed DoS due to excessively long P2M pool freeing (bsc#1203806).
- CVE-2022-33748: Fixed DoS due to race in locking (bsc#1203807).
- CVE-2022-26365: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762).
- CVE-2022-33740: Fixed issue where Linux Block and Network PV device frontends don't zero memory regions before sharing them with the backend (bsc#1200762).
- CVE-2022-33741: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762).
- CVE-2022-33742: Fixed issue where data residing in the same 4K page as data shared with a backend was being accessible by such backend (bsc#1200762).
- CVE-2022-33745: Fixed an insufficient TLB flush for x86 PV guests in shadow mode (bsc#1201394).
- CVE-2021-28689: Fixed speculative vulnerabilities with bare (non-shim) 32-bit PV guests (bsc#1185104).
Bugfixes:
- Fixed logic error in built-in default of max_event_channels (bsc#1167608, bsc#1201631).
- Fixed issue where dom0 fails to boot with constrained vcpus and nodes (bsc#1197081).
- Included upstream bugfixes (bsc#1027519).
Patchnames
SUSE-2022-3665,SUSE-SLE-Module-Basesystem-15-SP3-2022-3665,SUSE-SLE-Module-Server-Applications-15-SP3-2022-3665,SUSE-SUSE-MicroOS-5.1-2022-3665,SUSE-SUSE-MicroOS-5.2-2022-3665,openSUSE-Leap-Micro-5.2-2022-3665,openSUSE-SLE-15.3-2022-3665
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "lock order inversion in transitive grant copy handling As part of XSA-226 a missing cleanup call was inserted on an error handling path. While doing so, locking requirements were not paid attention to. As a result two cooperating guests granting each other transitive grants can cause locks to be acquired nested within one another, but in respectively opposite order. With suitable timing between the involved grant copy operations this may result in the locking up of a CPU.",
"title": "CVE description"
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Loading…
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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