CVE-2021-47404
HID: betop: fix slab-out-of-bounds Write in betop_probe
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
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.
Timeline
- CVE published21 days
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
699 days (about 2 years) - Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.0
References 8
git.kernel.org
- stable/c/a4faa7153b87fbcfe4be15f4278676f79ca6e019
- stable/c/6fc4476dda58f6c00097c7ddec3b772513f57525
- stable/c/1c83c38dec83d57bc18d0c01d82c413d3b34ccb9
- stable/c/bb8b72374db69afa25a5b65cf1c092860c6fe914
- stable/c/fe9bb925e7096509711660d39c0493a1546e9550
- stable/c/dedfc35a2de2bae9fa3da8210a05bfd515f83fee
- stable/c/708107b80aa616976d1c5fa60ac0c1390749db5e
- stable/c/1e4ce418b1cb1a810256b5fb3fd33d22d1325993