Medium severity5.5NVD Advisory· Published Mar 23, 2022· Updated Jun 17, 2026
CVE-2021-4150
CVE-2021-4150
Description
A use-after-free flaw was found in the add_partition in block/partitions/core.c in the Linux kernel. A local attacker with user privileges could cause a denial of service on the system. The issue results from the lack of code cleanup when device_add call fails when adding a partition to the disk.
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Affected products
2Patches
Vulnerability mechanics
References
3- lkml.org/lkml/2021/10/18/485nvdExploitThird Party Advisory
- lkml.org/lkml/2021/9/6/781nvdExploitThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
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