CVE-2024-58017
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.
Does this matter?
Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.25% probability · 17th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- 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/54c14022fa2ba427dc543455c2cf9225903a7174
- https://git.kernel.org/stable/c/9a6d43844de2479a3ff8d674c3e2a16172e01598Patch
- https://git.kernel.org/stable/c/bb8ff054e19fe27f4e5eaac1b05e462894cfe9b1
- https://git.kernel.org/stable/c/dfb7b179741ee09506dc7719d92f9e1cea01f10e
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.