CVE-2023-54305
Not scored
ext4: refuse to create ea block when umounted
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.
Exploit probability
0.2%
Published
December 30, 2025
Required by
Not available
Last source change
August 12, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2023-54305
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54305.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-54305