CVE-2023-52840
Input: synaptics-rmi4 - fix use after free in rmi_unregister_function()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: Input: synaptics-rmi4 - fix use after free in rmi_unregister_function() The put_device() calls rmi_release_function() which frees "fn" so the dereference on the next line "fn->num_of_irqs" is a use after free. Move the put_device() to the end to fix this.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.18
References 8
git.kernel.org
- stable/c/2f236d8638f5b43e0c72919a6a27fe286c32053f
- stable/c/50d12253666195a14c6cd2b81c376e2dbeedbdff
- stable/c/6c71e065befb2fae8f1461559b940c04e1071bd5
- stable/c/303766bb92c5c225cf40f9bbbe7e29749406e2f2
- stable/c/7082b1fb5321037bc11ba1cf2d7ed23c6b2b521f
- stable/c/cc56c4d17721dcb10ad4e9c9266e449be1462683
- stable/c/c8e639f5743cf4b01f8c65e0df075fe4d782b585
- stable/c/eb988e46da2e4eae89f5337e047ce372fe33d5b1