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CVE-2021-47360

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CVE-2021-47360

Published: May 21, 2024

Modified: May 23, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: binder: make sure fd closes complete During BC_FREE_BUFFER processing, the BINDER_TYPE_FDA object cleanup may close 1 or more fds. The close operations are completed using the task work mechanism -- which means the thread needs to return to userspace or the file object may never be dereferenced -- which can lead to hung processes. Force the binder thread back to userspace if an fd is closed during BC_FREE_BUFFER handling.

VendorProductVersions

Linux

Linux

affected
80cd795630d6526ba729a089a435bf74a57af927 - < aa2c274c279ff365a06a4cba263f04965895166e
affected
80cd795630d6526ba729a089a435bf74a57af927 - < d5b0473707fa53b03a5db0256ce62b2874bddbc7
affected
80cd795630d6526ba729a089a435bf74a57af927 - < b95483d8d94b41fa31a84c1d86710b7907a37621
affected
80cd795630d6526ba729a089a435bf74a57af927 - < 5fdb55c1ac9585eb23bb2541d5819224429e103d
affected
27564d8d5d12d2ff197055346069c6bdbe08a8c2

+1 more versions

Linux

Linux

affected
5.0
unaffected
0 - < 5.0
unaffected
5.4.150 - <= 5.4.*
unaffected
5.10.70 - <= 5.10.*
unaffected
5.14.9 - <= 5.14.*

+1 more versions

References

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