What’s Vulnerable › Vulnerabilities

CVE-2024-50267: USB: serial: io_edgeport: fix use after free in debug printk

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-11-19 · updated 2026-06-17
• Weakness: CWE-416

Description

In the Linux kernel, the following vulnerability has been resolved: USB: serial: io_edgeport: fix use after free in debug printk The "dev_dbg(&urb->dev->dev, ..." which happens after usb_free_urb(urb) is a use after free of the "urb" pointer. Store the "dev" pointer at the start of the function to avoid this issue.

Affected products

• Linux kernel: from 3.7 before 4.19.324; from 4.20 before 5.4.286; from 5.5 before 5.10.230; from 5.11 before 5.15.172; from 5.16 before 6.1.117; from 6.2 before 6.6.61 — fixed in 4.19.324, 5.10.230, 5.15.172, 5.4.286, 6.1.117, 6.11.8

How to fix

Upgrade to a fixed version: Linux kernel 4.19.324, 5.10.230, 5.15.172, 5.4.286. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/13d6ff3ca76056d06a9d88300be2a293442ff595
• https://git.kernel.org/stable/c/275258c30bbda29467216e96fb655b16bcc9992b
• https://git.kernel.org/stable/c/314bdf446053e123f37543aa535197ee75f8aa97
• https://git.kernel.org/stable/c/37bb5628379295c1254c113a407cab03a0f4d0b4
• https://git.kernel.org/stable/c/39709ce93f5c3f9eb535efe2afea088805d1128f
• https://git.kernel.org/stable/c/44fff2c16c5aafbdb70c7183dae0a415ae74705e
• https://git.kernel.org/stable/c/e567fc8f7a4460e486e52c9261b1e8b9f5dc42aa
• https://git.kernel.org/stable/c/e6ceb04eeb6115d872d4c4078d12f1170ed755ce
• https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
• https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

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