CVE-2024-56605
Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_alloc() frees the sk object, but the dangling pointer is still attached to the sock object, which may create use-after-free in other code.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Dec 27, 2024 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
49dfbb9129c4edb318578de35cc45c555df37884 < f6ad641646b67f29c7578dcd6c25813c7dcbf51e 49dfbb9129c4edb318578de35cc45c555df37884 < daa13175a6dea312a76099066cb4cbd4fc959a84 49dfbb9129c4edb318578de35cc45c555df37884 < a8677028dd5123e5e525b8195483994d87123de4 49dfbb9129c4edb318578de35cc45c555df37884 < bb2f2342a6ddf7c04f9aefbbfe86104cd138e629 49dfbb9129c4edb318578de35cc45c555df37884 < 8ad09ddc63ace3950ac43db6fbfe25b40f589dd6 49dfbb9129c4edb318578de35cc45c555df37884 < 61686abc2f3c2c67822aa23ce6f160467ec83d35 49dfbb9129c4edb318578de35cc45c555df37884 < 7c4f78cdb8e7501e9f92d291a7d956591bf73be9
Linux / Linux
3.6
References
git.kernel.org: https://git.kernel.org/stable/c/f6ad641646b67f29c7578dcd6c25813c7dcbf51e git.kernel.org: https://git.kernel.org/stable/c/daa13175a6dea312a76099066cb4cbd4fc959a84 git.kernel.org: https://git.kernel.org/stable/c/a8677028dd5123e5e525b8195483994d87123de4 git.kernel.org: https://git.kernel.org/stable/c/bb2f2342a6ddf7c04f9aefbbfe86104cd138e629 git.kernel.org: https://git.kernel.org/stable/c/8ad09ddc63ace3950ac43db6fbfe25b40f589dd6 git.kernel.org: https://git.kernel.org/stable/c/61686abc2f3c2c67822aa23ce6f160467ec83d35 git.kernel.org: https://git.kernel.org/stable/c/7c4f78cdb8e7501e9f92d291a7d956591bf73be9 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html