PT-2023-8734
CVE-2023-52576
·
Publicado
2023-09-18
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Atualizado
2026-10-09
Descrição por
CVSS 3.1
5.5
MédiaMétricasAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The issue is related to a use-after-free vulnerability in the Linux kernel, specifically in the
ima free kexec buffer() function. This function runs after the memblock allocator has been torn down, potentially resulting in a use-after-free in memblock isolate range(). With KASAN or KFENCE, this use-after-free will result in a BUG from the idle task and a subsequent kernel panic. The vulnerability can be exploited by a remote attacker to cause a denial of service.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Explorabilidade
Exploit
Impactos
Pesquisadores
Fornecedores
Produtos afetados
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