Threats Tagged 'cve-2026-53243'
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Threats Tagged 'cve-2026-53243'
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A vulnerability in the Linux kernel's rseq subsystem involves the use of an uninitialized stack variable in the function rseq_exit_user_update(). (CVE-2026-53243)CVE-2026-53243 0 A vulnerability in the Linux kernel's rseq subsystem involves the use of an uninitialized stack variable in the function rseq_exit_user_update(). This occurs due to the indeterminate evaluation order of expressions in a structure initializer, causing the node_id field to be set before cpu_id is initialized. The issue was identified by syzbot and results in a kernel information leak detected by KMSAN. The vulnerability has been fixed by moving the assignment of the node_id field outside the structure initialization. Join the discussion | GCVE Database | 06/25/2026, 09:31:22 UTC Added: 07/08/2026, 13:21:38 UTC |
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