What’s Vulnerable › Vulnerabilities

CVE-2023-53521: scsi: ses: Fix slab-out-of-bounds in ses_intf_remove()

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-10-01 · updated 2026-06-17
• Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix slab-out-of-bounds in ses_intf_remove() A fix for: BUG: KASAN: slab-out-of-bounds in ses_intf_remove+0x23f/0x270 [ses] Read of size 8 at addr ffff88a10d32e5d8 by task rmmod/12013 When edev->components is zero, accessing edev->component[0] members is wrong.

Affected products

• Linux kernel: from 2.6.25 before 4.14.308; from 4.15 before 4.19.276; from 4.20 before 5.4.235; from 5.5 before 5.10.173; from 5.11 before 5.15.99; from 5.16 before 6.1.16 — fixed in 4.14.308, 4.19.276, 5.10.173, 5.15.99, 5.4.235, 6.1.16

How to fix

Upgrade to a fixed version: Linux kernel 4.14.308, 4.19.276, 5.10.173, 5.15.99. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0595cdb587726b4f0fa780eb7462e3679d141e82
• https://git.kernel.org/stable/c/2fb1fa8425cce2dc4dce298275d22d7077694b73
• https://git.kernel.org/stable/c/40af9a6deed723485e05b7d3255a28750692e8db
• https://git.kernel.org/stable/c/578797f0c8cbc2e3ec5fc0dab87087b4c7073686
• https://git.kernel.org/stable/c/76f7050537476ac062ec23a544fbca8270f2d08b
• https://git.kernel.org/stable/c/82143faf01dda831b89eccef60c39ef8575ab08a
• https://git.kernel.org/stable/c/87e47be38d205df338c52ead43f23b2864567423
• https://git.kernel.org/stable/c/8f9542cad6c27297c8391de3a659f0b7948495d0

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