CVE-2021-47404
In the Linux kernel, the following vulnerability has been resolved: HID: betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver.
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: HID: betop: fix slab-out-of-bounds Write in betop_probe Syzbot reported slab-out-of-bounds Write bug in hid-betopff driver. The problem is the driver assumes the device must have an input report but some malicious devices violate this assumption. So this patch checks hid_device's input is non empty before it's been used.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9Patch
- https://git.kernel.org/stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993Patch
- https://git.kernel.org/stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525Patch
- https://git.kernel.org/stable/c/708107b80aa616976d1c5fa60ac0c1390749db5ePatch
- https://git.kernel.org/stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019Patch
- https://git.kernel.org/stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914Patch
- https://git.kernel.org/stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83feePatch
- https://git.kernel.org/stable/c/fe9bb925e7096509711660d39c0493a1546e9550Patch
- https://git.kernel.org/stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9Patch
- https://git.kernel.org/stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993Patch
- https://git.kernel.org/stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525Patch
- https://git.kernel.org/stable/c/708107b80aa616976d1c5fa60ac0c1390749db5ePatch
- https://git.kernel.org/stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019Patch
- https://git.kernel.org/stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914Patch
- https://git.kernel.org/stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83feePatch
- https://git.kernel.org/stable/c/fe9bb925e7096509711660d39c0493a1546e9550Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.