CVE-2023-54305

ext4: refuse to create ea block when umounted

EPSS 0.2%

Vexday Risk Score

3Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

30 dez 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access s_root while it is already set as NULL when umount is triggered. Refuse this request to avoid panic.

Produtos afetados

Linux · Linux

Referências

https://git.kernel.org/stable/c/05cbf6ddd9847c7b4f0662c048f195b09405a9d0 https://git.kernel.org/stable/c/0dc0fa313bb4e86382a3e7125429710d44383196 https://git.kernel.org/stable/c/116008ada3d0de4991099edaf6b8c2e9cd6f225a https://git.kernel.org/stable/c/21f6a80d9234422e2eb445734b22c78fc5bf6719 https://git.kernel.org/stable/c/a458a8c1d1fc4e10a1813786132b09a3863ad3f2 https://git.kernel.org/stable/c/a92b67e768bde433b9385cde56c09deb58db269e https://git.kernel.org/stable/c/aedea161d031502a423ed1c7597754681a4f8cda https://git.kernel.org/stable/c/f31173c19901a96bb2ebf6bcfec8a08df7095c91