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CVE-2023-54305

ext4: refuse to create ea block when umounted

EPSS 0.2%
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.
Affected products
Linux · Linux

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References
https://git.kernel.org/stable/c/05cbf6ddd9847c7b4f0662c048f195b09405a9d0https://git.kernel.org/stable/c/0dc0fa313bb4e86382a3e7125429710d44383196https://git.kernel.org/stable/c/116008ada3d0de4991099edaf6b8c2e9cd6f225ahttps://git.kernel.org/stable/c/21f6a80d9234422e2eb445734b22c78fc5bf6719https://git.kernel.org/stable/c/a458a8c1d1fc4e10a1813786132b09a3863ad3f2https://git.kernel.org/stable/c/a92b67e768bde433b9385cde56c09deb58db269ehttps://git.kernel.org/stable/c/aedea161d031502a423ed1c7597754681a4f8cdahttps://git.kernel.org/stable/c/f31173c19901a96bb2ebf6bcfec8a08df7095c91