VDB
CVE-2024-56750
CVE-2024-56750
PUBLISHED
CVSS 5.5 MEDIUM
erofs: fix blksize < PAGE_SIZE for file-backed mounts
Reported by linux · Published December 29, 2024
In the Linux kernel, the following vulnerability has been resolved: erofs: fix blksize < PAGE_SIZE for file-backed mounts Adjust sb->s_blocksize{,_bits} directly for file-backed mounts when the fs block size is smaller than PAGE_SIZE. Previously, EROFS used sb_set_blocksize(), which caused a panic if bdev-backed mounts is not used.
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| linux_kernel | linux | 6.12.2 |
| Linux | Linux | 679d8537e5748241c71ac97a6b6dc919eae31716 |
Risk scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | fb176750266a3d7f42ebdcf28e8ba40350b27847, fb176750266a3d7f42ebdcf28e8ba40350b27847 |
| Linux | Linux | 6.12, 0, 6.12.2 |
| Linux | Linux | 6.13, 0, 6.12.2 |
| linux | linux_kernel | 6.12, 6.12 |
Timeline
- Dec 29, 2024 CVE Published
- Dec 29, 2024 PoC Published (3 in total, the first dated here)
- Dec 30, 2024 EPSS Score (30 in total, the first dated here)
- Feb 15, 2025 Coalition ESS Score (5 in total, the first dated here)
- Dec 29, 2025 Security Advisory (420 in total, the first dated here)
- Oct 15, 2026 CVE Updated
- Oct 17, 2026 Distribution Patch (338 in total, the first dated here)
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