CVE-2023-54305
published 2025-12-30CVE-2023-54305: 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…
PriorityP421low5.5
EPSS
0.18%
8.2th percentile
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
21 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.1.20-1 (bookworm) | linux 6.1.20-1 (bookworm) |
| linux | linux | — | — |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < aedea161d031502a423ed1c7597754681a4f8cda | aedea161d031502a423ed1c7597754681a4f8cda |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < 21f6a80d9234422e2eb445734b22c78fc5bf6719 | 21f6a80d9234422e2eb445734b22c78fc5bf6719 |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < a92b67e768bde433b9385cde56c09deb58db269e | a92b67e768bde433b9385cde56c09deb58db269e |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < 0dc0fa313bb4e86382a3e7125429710d44383196 | 0dc0fa313bb4e86382a3e7125429710d44383196 |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < 116008ada3d0de4991099edaf6b8c2e9cd6f225a | 116008ada3d0de4991099edaf6b8c2e9cd6f225a |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < 05cbf6ddd9847c7b4f0662c048f195b09405a9d0 | 05cbf6ddd9847c7b4f0662c048f195b09405a9d0 |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < a458a8c1d1fc4e10a1813786132b09a3863ad3f2 | a458a8c1d1fc4e10a1813786132b09a3863ad3f2 |
| linux | linux | >= e50e5129f384ae282adebfb561189cdb19b81cee < f31173c19901a96bb2ebf6bcfec8a08df7095c91 | f31173c19901a96bb2ebf6bcfec8a08df7095c91 |
| linux | linux_kernel | >= 0 < 5.10.178-1 | 5.10.178-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 0 < 6.1.20-1 | 6.1.20-1 |
| linux | linux_kernel | >= 4.13.0 < 4.14.308 | 4.14.308 |
| linux | linux_kernel | >= 4.15.0 < 4.19.276 | 4.19.276 |
| linux | linux_kernel | >= 4.20.0 < 5.4.235 | 5.4.235 |
| linux | linux_kernel | >= 5.11.0 < 5.15.99 | 5.15.99 |
| linux | linux_kernel | >= 5.16.0 < 6.1.16 | 6.1.16 |
| linux | linux_kernel | >= 5.5.0 < 5.10.173 | 5.10.173 |
| linux | linux_kernel | >= 6.2.0 < 6.2.3 | 6.2.3 |
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OSV
CVE-2023-54305: In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to acces
osv·2025-12-30
CVE-2023-54305 CVE-2023-54305: In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to acces
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.
GHSA
GHSA-xp6q-4ch5-xqhr: In the Linux kernel, the following vulnerability has been resolved:
ext4: refuse to create ea block when umounted
The ea block expansion need to acc
ghsa_unreviewed·2025-12-30
CVE-2023-54305 GHSA-xp6q-4ch5-xqhr: In the Linux kernel, the following vulnerability has been resolved:
ext4: refuse to create ea block when umounted
The ea block expansion need to acc
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.
OSV
ext4: refuse to create ea block when umounted
osv·2025-12-30
CVE-2023-54305 ext4: refuse to create ea block when umounted
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.
Red Hat
kernel: ext4: refuse to create ea block when umounted
vendor_redhat·2025-12-30·CVSS 5.5
CVE-2023-54305 [LOW] CWE-476 kernel: ext4: refuse to create ea block when umounted
kernel: 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.
Package: kernel (Red Hat Enterprise Linux 10) - Not affected
Package: kernel (Red Hat Enterprise Linux 6) - Out of support scope
Package: kernel (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 7) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 8) - Fix deferred
Package: kernel (Red Hat Enterprise Linux 9) - Fix deferred
Package: kernel-rt (Red Hat Enterprise Linux 9) -
Debian
CVE-2023-54305: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: refus...
vendor_debian·2023
CVE-2023-54305 CVE-2023-54305: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: refus...
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.
Scope: local
bookworm: resolved (fixed in 6.1.20-1)
bullseye: resolved (fixed in 5.10.178-1)
forky: resolved (fixed in 6.1.20-1)
sid: resolved (fixed in 6.1.20-1)
trixie: resolved (fixed in 6.1.20-1)
No detection rules found.
No public exploits indexed.
Wiz
CVE-2023-54305 Impact, Exploitability, and Mitigation Steps | Wiz
blogs_wiz
CVE-2023-54305 CVE-2023-54305 Impact, Exploitability, and Mitigation Steps | Wiz
## CVE-2023-54305 :
Linux Kernel vulnerability analysis and mitigation
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.
Source : NVD
Published December 30, 2025
CNA Score N/A
Affected Technologies
Linux Kernel
Linux Debian
Has Public Exploit No
Has CISA KEV Exploit No
CISA KEV Release Date N/A
CISA KEV Due Date N/A
Exploitation Probability Percentile (EPSS) 10.8
Exploitation Probability (EPSS) N/A
Affected packages and libraries
kernel-kdump
libperf-devel
Sources
NVD
Debian 11, 12, 13, 14 Has Fix Added at: Dec 31, 2025
Echo Has Fix Added at: Dec 31, 2025
Red Hat 6,
Bugzilla
CVE-2023-54305 kernel: ext4: refuse to create ea block when umounted
bugzilla·2025-12-30
CVE-2023-54305 [LOW] CVE-2023-54305 kernel: ext4: refuse to create ea block when umounted
CVE-2023-54305 kernel: 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.
Discussion:
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025123034-CVE-2023-54305-68b4@gregkh/T
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
2025-12-30
Published