CVEvulnerability
CVE-2023-53569
7.8 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2025-10-04
- Last modified
- 2026-06-17
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Affected configurations
• linux linux kernel (>= 2.6.12.1 < 4.14.316)
• linux linux kernel (>= 4.15 < 4.19.284)
• linux linux kernel (>= 4.20 < 5.4.244)
• linux linux kernel (>= 5.5 < 5.10.181)
• linux linux kernel (>= 5.11 < 5.15.113)
• linux linux kernel (>= 5.16 < 6.1.30)
• linux linux kernel (>= 6.2 < 6.3.4)
• linux linux kernel 2.6.12
References
- https://git.kernel.org/stable/c/0ebfaf14150f55550cffb1148ed3920143c7a69c Patch
- https://git.kernel.org/stable/c/22ab5fed07ad4b206ea910fd0132d1a0d4831584 Patch
- https://git.kernel.org/stable/c/451b98155be5dfee05bc6e7c8b30c0be4add3f71 Patch
- https://git.kernel.org/stable/c/62aeb94433fcec80241754b70d0d1836d5926b0a Patch
- https://git.kernel.org/stable/c/99f8a15af6c9f0653193104a9e70891f950c6001 Patch
- https://git.kernel.org/stable/c/c2e7776843a953fd7e48895c3880c277f996193e Patch
- https://git.kernel.org/stable/c/c4813f858e5c3e4c4659ce95385c1c400c593e1e Patch
- https://git.kernel.org/stable/c/e6f4fb28890c1361e0db9eb1adee3fc04e7fe7f5 Patch