CVE-2023-53569

EUVD-2025-32318
In the Linux kernel, the following vulnerability has been resolved:

ext2: Check block size validity during mount

Check that log of block size stored in the superblock has sensible
value. Otherwise the shift computing the block size can overflow leading
to undefined behavior.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
2.6.12.1 ≤
𝑥
< 4.14.316
linuxlinux_kernel
4.15 ≤
𝑥
< 4.19.284
linuxlinux_kernel
4.20 ≤
𝑥
< 5.4.244
linuxlinux_kernel
5.5 ≤
𝑥
< 5.10.181
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.113
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.30
linuxlinux_kernel
6.2 ≤
𝑥
< 6.3.4
linuxlinux_kernel
2.6.12
linuxlinux_kernel
2.6.12:rc2
linuxlinux_kernel
2.6.12:rc3
linuxlinux_kernel
2.6.12:rc4
linuxlinux_kernel
2.6.12:rc5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.148-1
fixed
bookworm (security)
6.1.153-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.237-1
fixed
forky
6.16.9-1
fixed
sid
6.16.9-1
fixed
trixie
6.12.43-1
fixed
trixie (security)
6.12.48-1
fixed
References
https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c
https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584
https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71
https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a
https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001
https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e
https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e
https://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5