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CVE-2022-48816

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CVE-2022-48816

Published: Jul 16, 2024

Modified: Jun 1, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: lock against ->sock changing during sysfs read ->sock can be set to NULL asynchronously unless ->recv_mutex is held. So it is important to hold that mutex. Otherwise a sysfs read can trigger an oops. Commit 17f09d3f619a ("SUNRPC: Check if the xprt is connected before handling sysfs reads") appears to attempt to fix this problem, but it only narrows the race window.

VendorProductVersions

Linux

Linux

affected
a8482488a7d6d320f63a9ee1912dbb5ae5b80a61 - < fdc42287ae3f8a35cc2098307f52d7864b4bc8ed
affected
a8482488a7d6d320f63a9ee1912dbb5ae5b80a61 - < 9482ab4540f5bcc869b44c067ae99b5fca16bd07
affected
a8482488a7d6d320f63a9ee1912dbb5ae5b80a61 - < b49ea673e119f59c71645e2f65b3ccad857c90ee
affected
21a2be1a5145d072deedc7cdc5b2d17380abea75
affected
77876473912d1bf1ed16bffa1674e5ff0f499f25

+2 more versions

Linux

Linux

affected
5.14
unaffected
0 - < 5.14
unaffected
5.15.209 - <= 5.15.*
unaffected
5.16.10 - <= 5.16.*
unaffected
5.17 - <= *

References

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