A use-after-free flaw was found in btsdio_remove in drivers\bluetooth\btsdio.c in the Linux Kernel. In this flaw, a call to btsdio_remove with an unfinished job, may cause a race problem leading to a UAF on hdev devices.
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 Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
| Link | Tags |
|---|---|
| https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=f132c2d13088 | patch vendor advisory mailing list |
| https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html | third party advisory mailing list |
| https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html | third party advisory mailing list |
| https://security.netapp.com/advisory/ntap-20230601-0004/ | third party advisory |
| https://www.debian.org/security/2023/dsa-5492 | third party advisory vendor advisory |
| https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html | mailing list |