Threats Tagged 'cve-2026-45884'
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Threats Tagged 'cve-2026-45884'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: apparmor: avoid per-cpu hold underflow in aa_get_buffer When aa_get_buffer()… (CVE-2026-45884)CVE-2026-45884 0 In the Linux kernel, the following vulnerability has been resolved: apparmor: avoid per-cpu hold underflow in aa_get_buffer When aa_get_buffer() pulls from the per-cpu list it unconditionally decrements cache->hold. If hold reaches 0 while count is still non-zero, the unsigned decrement wraps to UINT_MAX. This keeps hold non-zero for a very long time, so aa_put_buffer() never returns buffers to the global list, which can starve other CPUs and force repeated kmalloc(aa_g_path_max) allocations. Guard the decrement so hold never underflows. Join the discussion | GCVE Database | 05/27/2026, 14:17:00 UTC Added: 07/18/2026, 11:19:12 UTC |
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