CVE-2024-58017
Medium
Description
In the Linux kernel, the following vulnerability has been resolved: printk: Fix signed integer overflow when defining LOG_BUF_LEN_MAX Shifting 1 << 31 on a 32-bit int causes signed integer overflow, which leads to undefined behavior. To prevent this, cast 1 to u32 before performing the shift, ensuring well-defined behavior. This change explicitly avoids any potential overflow by ensuring that the shift occurs on an unsigned 32-bit integer.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedFeb 27, 2025
First seenFeb 27, 2025
Weakness typeCWE-190Integer overflow
How to fix
Update
- linux linux_kernel6.1.129, 6.6.78, 6.12.14, 6.13.3 or later
Patches
- git.kernel.org/stable/c/3d6f83df8ff2d5de84b50377e4f0d45e25311c7a
- git.kernel.org/stable/c/404e5fd918a0b14abec06c7eca128f04c9b98e41
- git.kernel.org/stable/c/4a2c4e7265b8eed83c25d86d702cea06493cab18
- git.kernel.org/stable/c/4acf6bab775dbd22a9a799030a808a7305e01d63
- git.kernel.org/stable/c/9a6d43844de2479a3ff8d674c3e2a16172e01598
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.1.129, 6.2 ≤ v < 6.6.78, 6.7 ≤ v < 6.12.14, 6.13 ≤ v < 6.13.3 | 6.1.129, 6.6.78, 6.12.14, 6.13.3 |
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