Unrated severityNVD Advisory· Published Jan 25, 2022· Updated Aug 3, 2024
CVE-2021-4145
CVE-2021-4145
Description
A NULL pointer dereference issue was found in the block mirror layer of QEMU in versions prior to 6.2.0. The self pointer is dereferenced in mirror_wait_on_conflicts() without ensuring that it's not NULL. A malicious unprivileged user within the guest could use this flaw to crash the QEMU process on the host when writing data reaches the threshold of mirroring node.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
4- security.gentoo.org/glsa/202208-27mitrevendor-advisoryx_refsource_GENTOO
- bugzilla.redhat.com/show_bug.cgimitrex_refsource_MISC
- gitlab.com/qemu-project/qemu/-/commit/66fed30c9cd11854fc878a4eceb507e915d7c9cdmitrex_refsource_MISC
- security.netapp.com/advisory/ntap-20220311-0004/mitrex_refsource_CONFIRM
News mentions
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