CVE-2024-58017
MEDIUM severity · CVSS 5.5 · Integer overflow
5.5CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/3d6f83df8ff2d5de84b50377e4f0d45e25311c7a ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/3d6f83df8ff2d5de84b50377e4f0d45e25311c7aPatch
- https://git.kernel.org/stable/c/404e5fd918a0b14abec06c7eca128f04c9b98e41Patch
- https://git.kernel.org/stable/c/4a2c4e7265b8eed83c25d86d702cea06493cab18Patch
- https://git.kernel.org/stable/c/4acf6bab775dbd22a9a799030a808a7305e01d63Patch
- https://git.kernel.org/stable/c/9a6d43844de2479a3ff8d674c3e2a16172e01598Patch
- https://git.kernel.org/stable/c/54c14022fa2ba427dc543455c2cf9225903a7174
- https://git.kernel.org/stable/c/bb8ff054e19fe27f4e5eaac1b05e462894cfe9b1
- https://git.kernel.org/stable/c/dfb7b179741ee09506dc7719d92f9e1cea01f10e