CVE-2024-53213

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

net: usb: lan78xx: Fix double free issue with interrupt buffer allocation

In lan78xx_probe(), the buffer `buf` was being freed twice: once implicitly through `usb_free_urb(dev->urb_intr)` with the `URB_FREE_BUFFER` flag and again explicitly by `kfree(buf)`. This caused a double free issue.

To resolve this, reordered `kmalloc()` and `usb_alloc_urb()` calls to simplify the initialization sequence and removed the redundant `kfree(buf)`. Now, `buf` is allocated after `usb_alloc_urb()`, ensuring it is correctly managed by `usb_fill_int_urb()` and freed by `usb_free_urb()` as intended.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-415

Affected software

VendorProductVersions
LinuxLinux>= 3281ebb3dc5ef19507e65523e9f8c00e20b285ca, < cc5aa8e3ad69dcedeba79e667d4a2efb72a305af; >= dcafa5a8452738eb28085f559b0683d55e22b2f5, < 2970ef2fce90c661952ec2b451b0276d5f8d6180; >= a6df95cae40bee555e01a37b4023ce8e97ffa249, < 977128343fc2a30737399b58df8ea77e94f164bd; >= a6df95cae40bee555e01a37b4023ce8e97ffa249, < a422ebec863d99d5607fb41bb7af3347fcb436d3; >= a6df95cae40bee555e01a37b4023ce8e97ffa249, < b09512aea6223eec756f52aa584fc29eeab57480; >= a6df95cae40bee555e01a37b4023ce8e97ffa249, < 7ac9f3c981eeceee2ec4d30d850f4a6f50a1ec40; >= a6df95cae40bee555e01a37b4023ce8e97ffa249, < 03819abbeb11117dcbba40bfe322b88c0c88a6b6; >= 5.10.252, < 5.10.258; >= 5.15.202, < 5.15.209
LinuxLinux5.17

References

Timeline

Published
Dec 27, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2024-53213: High severity, CVSS 7.8 | Vulnix