tls: fix missing memory barrier in tls_init

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CVE-2024-36489 · Microsoft / collected KEV context

cve-program · CVE-2024-36489

• https://git.kernel.org/stable/c/d72e126e9a36d3d33889829df8fc90100bb0e071
• https://git.kernel.org/stable/c/2c260a24cf1c4d30ea3646124f766ee46169280b
• https://git.kernel.org/stable/c/335c8f1566d8e44c384d16b450a18554896d4e8b
• https://git.kernel.org/stable/c/ab67c2fd3d070a21914d0c31319d3858ab4e199c
• https://git.kernel.org/stable/c/ef21007a7b581c7fe64d5a10c320880a033c837b
• https://git.kernel.org/stable/c/91e61dd7a0af660408e87372d8330ceb218be302

No related operational record is retained in the current change model.