CVE-2022-49508
HID: elan: Fix potential double free in elan_input_configured
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: total
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: elan: Fix potential double free in elan_input_configured 'input' is a managed resource allocated with devm_input_allocate_device(), so there is no need to call input_free_device() explicitly or there will be a double free. According to the doc of devm_input_allocate_device(): • Managed input devices do not need to be explicitly unregistered or • freed as it will be done automatically when owner device unbinds from • its driver (or binding fails).
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.17
References 7
git.kernel.org
- stable/c/c92ec22a991778a096342cf1a917ae36c5c86a90
- stable/c/f1d4f19a796551edc6679a681ea1756b8c578c08
- stable/c/6d0726725c7c560495f5ff364862a2cefea542e3
- stable/c/24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47
- stable/c/5291451851feeb66fd4bf0826710f482f3b1ab38
- stable/c/8bb1716507ebf12d50bbf181764481de3b6bc7fd
- stable/c/1af20714fedad238362571620be0bd690ded05b6