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CVE-2026-46168

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CVE-2026-46168

Published: May 28, 2026

Modified: Jun 1, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix scheduling with atomic in timestamp sockopt Using lock_sock_fast() (atomic context) around sock_set_timestamp() and sock_set_timestamping() is unsafe, as both helpers can sleep. Replace lock_sock_fast() with sleepable lock_sock()/release_sock() to avoid scheduling while atomic panic.

VendorProductVersions

Linux

Linux

affected
9061f24bf82ec2e92dd1e7c10b98b680db023d31 - < 0949d8bbbedbafe0136a1723c41eb823c2f1e09d
affected
9061f24bf82ec2e92dd1e7c10b98b680db023d31 - < e792cfb6aeaf65612cdf8e3ac431d65e66283654
affected
9061f24bf82ec2e92dd1e7c10b98b680db023d31 - < ebeb70e29e37cfce899309cc2665a3bfe960ed94
affected
9061f24bf82ec2e92dd1e7c10b98b680db023d31 - < b157dab93a7af44a84e78cf0cb311dde475cff5b
affected
9061f24bf82ec2e92dd1e7c10b98b680db023d31 - < 8a005fe451c73fd2b3d1faa5643c11e6bd07acfc

+2 more versions

Linux

Linux

affected
5.14
unaffected
0 - < 5.14
unaffected
5.15.209 - <= 5.15.*
unaffected
6.1.175 - <= 6.1.*
unaffected
6.6.140 - <= 6.6.*

+4 more versions

References

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