What’s Vulnerable › Vulnerabilities

CVE-2024-47682: scsi: sd: Fix off-by-one error in sd_read_block_characteristics()

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-21 · updated 2026-08-04
• Weakness: CWE-193

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: sd: Fix off-by-one error in sd_read_block_characteristics() Ff the device returns page 0xb1 with length 8 (happens with qemu v2.x, for example), sd_read_block_characteristics() may attempt an out-of-bounds memory access when accessing the zoned field at offset 8.

Affected products

• Linux kernel: from 5.19 before 6.1.113; from 6.2 before 6.6.54; from 6.7 before 6.10.13; from 6.11 before 6.11.2 — fixed in 6.1.113, 6.10.13, 6.11.2, 6.6.54

How to fix

Upgrade to a fixed version: Linux kernel 6.1.113, 6.10.13, 6.11.2, 6.6.54. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/413df704f149dec585df07466d2401bbd1f490a0
• https://git.kernel.org/stable/c/568c7c4c77eee6df7677bb861b7cee7398a3255d
• https://git.kernel.org/stable/c/60312ae7392f9c75c6591a52fc359cf7f810d48f
• https://git.kernel.org/stable/c/a776050373893e4c847a49abeae2ccb581153df0
• https://git.kernel.org/stable/c/f81eaf08385ddd474a2f41595a7757502870c0eb
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

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