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CVE-2021-47358

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CVE-2021-47358

Published: May 21, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.

VendorProductVersions

Linux

Linux

affected
a18e15175708d39abbe9746ddc3479466b7800c3 - < 92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d
affected
a18e15175708d39abbe9746ddc3479466b7800c3 - < 64062fcaca8872f063ec9da011e7bf30470be33f
affected
a18e15175708d39abbe9746ddc3479466b7800c3 - < a5cfd51f6348e8fd7531461366946039c29c7e69
affected
a18e15175708d39abbe9746ddc3479466b7800c3 - < 4dc56951a8d9d61d364d346c61a5f1d70b4f5e14
affected
a18e15175708d39abbe9746ddc3479466b7800c3 - < b9e697e60ce9890e9258a73eb061288e7d68e5e6

+2 more versions

Linux

Linux

affected
4.9
unaffected
0 - < 4.9
unaffected
4.9.285 - <= 4.9.*
unaffected
4.14.249 - <= 4.14.*
unaffected
4.19.209 - <= 4.19.*

+4 more versions

References

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