VDB
CVE-2023-52755
CVE-2023-52755
PUBLISHED
CVSS 9.8 CRITICAL
ksmbd: fix slab out of bounds write in smb_inherit_dacl()
Reported by linux · Published May 21, 2024
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab out of bounds write in smb_inherit_dacl() slab out-of-bounds write is caused by that offsets is bigger than pntsd allocation size. This patch add the check to validate 3 offsets using allocation size.
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 | 6.6.3, 6.5.13, 6.1.64, 5.15.140 |
Risk scores
CVSS 3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 0626e6641f6b467447c81dd7678a69c66f7746cf, 0626e6641f6b467447c81dd7678a69c66f7746cf, 0626e6641f6b467447c81dd7678a69c66f7746cf |
| Linux | Linux | 5.15, 0, 5.15.140 |
| linux | linux_kernel | 5.15, 5.15, 5.15 |
| linux | linux_kernel | 1da177e4c3f4, 1da177e4c3f4, 1da177e4c3f4 |
| Linux | Linux | 6.6.3, 6.7, 0626e6641f6b467447c81dd7678a69c66f7746cf |
Timeline
- May 21, 2024 CVE Published
- May 22, 2024 EPSS Score (30 in total, the first dated here)
- Jul 30, 2024 PoC Published
- Oct 5, 2024 Coalition ESS Score (24 in total, the first dated here)
- Jan 25, 2026 Security Advisory (259 in total, the first dated here)
- Aug 5, 2026 CVE Updated
- Oct 30, 2026 Distribution Patch (166 in total, the first dated here)
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