CVE-2024-35966
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix not validating setsockopt user input syzbot reported rfcomm_sock_setsockopt_old() is copying data without checking user input length. BUG: KASAN: slab-out-of-bounds in copy_from_sockptr_offset include/linux/sockptr.h:49 [inline] BUG: KASAN: slab-out-of-bounds in copy_from_sockptr include/linux/sockptr.h:55 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt_old net/bluetooth/rfcomm/sock.c:632 [inline] BUG: KASAN: slab-out-of-bounds in rfcomm_sock_setsockopt+0x893/0xa70 net/bluetooth/rfcomm/sock.c:673 Read of size 4 at addr ffff8880209a8bc3 by task syz-executor632/5064
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/00767fbd67af70d7a550caa5b12d9515fa978babPatch
- https://git.kernel.org/stable/c/4ea65e2095e9bd151d0469328dd7fc2858feb546Patch
- https://git.kernel.org/stable/c/a97de7bff13b1cc825c1b1344eaed8d6c2d3e695Patch
- https://git.kernel.org/stable/c/c3f787a3eafe519c93df9abbb0ca5145861c8d0fPatch
- https://git.kernel.org/stable/c/d072ea24748189cd8f4a9c3f585ca9af073a0838Patch
- https://git.kernel.org/stable/c/eea40d33bf936a5c7fb03c190e61e0cfee00e872Patch
- https://git.kernel.org/stable/c/a97de7bff13b1cc825c1b1344eaed8d6c2d3e695Patch
- https://git.kernel.org/stable/c/c3f787a3eafe519c93df9abbb0ca5145861c8d0fPatch
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
- https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.