Unrated severityNVD Advisory· Published Apr 5, 2022· Updated Aug 3, 2024
CVE-2022-26356
CVE-2022-26356
Description
Racy interactions between dirty vram tracking and paging log dirty hypercalls Activation of log dirty mode done by XEN_DMOP_track_dirty_vram (was named HVMOP_track_dirty_vram before Xen 4.9) is racy with ongoing log dirty hypercalls. A suitably timed call to XEN_DMOP_track_dirty_vram can enable log dirty while another CPU is still in the process of tearing down the structures related to a previously enabled log dirty mode (XEN_DOMCTL_SHADOW_OP_OFF). This is due to lack of mutually exclusive locking between both operations and can lead to entries being added in already freed slots, resulting in a memory leak.
Affected products
41- osv-coords40 versionspkg:rpm/opensuse/xen&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/xen&distro=openSUSE%20Tumbleweedpkg:rpm/suse/xen&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/xen&distro=SUSE%20Enterprise%20Storage%207pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.0pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Micro%205.2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-BCLpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/xen&distro=SUSE%20Manager%20Proxy%204.1pkg:rpm/suse/xen&distro=SUSE%20Manager%20Retail%20Branch%20Server%204.1pkg:rpm/suse/xen&distro=SUSE%20Manager%20Server%204.1pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/xen&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 4.14.4_04-150300.3.24.1+ 39 more
- (no CPE)range: < 4.14.4_04-150300.3.24.1
- (no CPE)range: < 4.16.0_08-1.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.10.4_34-150000.3.74.1
- (no CPE)range: < 4.10.4_34-150000.3.74.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.14.4_04-150300.3.24.1
- (no CPE)range: < 4.14.4_04-150300.3.24.1
- (no CPE)range: < 4.14.4_04-150300.3.24.1
- (no CPE)range: < 4.14.4_04-150300.3.24.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.7.6_22-43.88.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.11.4_28-2.73.1
- (no CPE)range: < 4.12.4_22-3.66.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.11.4_28-2.73.1
- (no CPE)range: < 4.12.4_22-3.66.1
- (no CPE)range: < 4.10.4_34-150000.3.74.1
- (no CPE)range: < 4.12.4_24-150100.3.72.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.12.4_22-3.66.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.13.4_08-150200.3.50.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.11.4_28-2.73.1
- (no CPE)range: < 4.9.4_28-3.103.1
- (no CPE)range: < 4.11.4_28-2.73.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6ETPM2OVZZ6KOS2L7QO7SIW6XWT5OW3F/mitrevendor-advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHFSRVLM2JUCPDC2KGB7ETPQYJLCGBLD/mitrevendor-advisory
- security.gentoo.org/glsa/202402-07mitrevendor-advisory
- www.debian.org/security/2022/dsa-5117mitrevendor-advisory
- www.openwall.com/lists/oss-security/2022/04/05/1mitremailing-list
- xenbits.xen.org/xsa/advisory-397.htmlmitre
- xenbits.xenproject.org/xsa/advisory-397.txtmitre
News mentions
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