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CVE-2021-47049

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CVE-2021-47049

Published: Feb 28, 2024

Modified: May 23, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use after free. First remove it from the list, and then free it.

VendorProductVersions

Linux

Linux

affected
6f3d791f300618caf82a2be0c27456edd76d5164 - < d5c7b42c9f56ca46b286daa537d181bd7f69214f
affected
6f3d791f300618caf82a2be0c27456edd76d5164 - < f37dd5d1b5d38a79a4f7b8dd7bbb705505f05560
affected
6f3d791f300618caf82a2be0c27456edd76d5164 - < 2728f289b3270b0e273292b46c534421a33bbfd5
affected
6f3d791f300618caf82a2be0c27456edd76d5164 - < 3e9bf43f7f7a46f21ec071cb47be92d0874c48da
affected
6b32d45bd59982751beb8220e442b40b2706647f

+1 more versions

Linux

Linux

affected
4.14
unaffected
0 - < 4.14
unaffected
5.10.37 - <= 5.10.*
unaffected
5.11.21 - <= 5.11.*
unaffected
5.12.4 - <= 5.12.*

+1 more versions

References

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