7.8

CVE-2024-56604

Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc()

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

Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc()

bt_sock_alloc() attaches allocated sk object to the provided sock object.
If rfcomm_dlc_alloc() fails, we release the sk object, but leave the
dangling pointer in the sock object, which may cause use-after-free.

Fix this by swapping calls to bt_sock_alloc() and rfcomm_dlc_alloc().
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 6.1.120
Linux ≫ Linux Kernel Version >= 6.2 < 6.6.66
Linux ≫ Linux Kernel Version >= 6.7 < 6.12.5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.22% 0.121
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
134c704f-9b21-4f2e-91b3-4a467353bcc0 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-416 Use After Free

The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

https://git.kernel.org/stable/c/32df687e129ef0f9afcbcc914f7c32deb28fd481
Patch
https://git.kernel.org/stable/c/3945c799f12b8d1f49a3b48369ca494d981ac465
Patch
https://git.kernel.org/stable/c/6021ccc2471b7b95e29b7cfc7938e042bf56e281
Patch
https://git.kernel.org/stable/c/ac3eaac4cf142a15fe67be747a682b1416efeb6e
Patch
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html