CVE-2021-4150

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CVE-2021-4150

Summary:

Details: 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.

References: https://bugzilla.redhat.com/show_bug.cgi?id=2025938, https://lkml.org/lkml/2021/10/18/485, https://lkml.org/lkml/2021/9/6/781, https://bugzilla.redhat.com/show_bug.cgi?id=2025938, https://lkml.org/lkml/2021/10/18/485, https://lkml.org/lkml/2021/9/6/781