CVE-2024-53213 (GCVE-0-2024-53213)
Vulnerability from cvelistv5
Published
2024-12-27 13:49
Modified
2026-06-01 16:04
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
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.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3281ebb3dc5ef19507e65523e9f8c00e20b285ca
Version: dcafa5a8452738eb28085f559b0683d55e22b2f5
Version: a6df95cae40bee555e01a37b4023ce8e97ffa249
Version: a6df95cae40bee555e01a37b4023ce8e97ffa249
Version: a6df95cae40bee555e01a37b4023ce8e97ffa249
Version: a6df95cae40bee555e01a37b4023ce8e97ffa249
Version: a6df95cae40bee555e01a37b4023ce8e97ffa249
Version: 5.10.252   ≤
Version: 5.15.202   ≤
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