CVE-2021-47403
ipack: ipoctal: fix module reference leak
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: ipack: ipoctal: fix module reference leak A reference to the carrier module was taken on every open but was only released once when the final reference to the tty struct was dropped. Fix this by taking the module reference and initialising the tty driver data when installing the tty.
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
3.18
References 8
git.kernel.org
- stable/c/31398849b84ebae0d43a1cf379cb9895597f221a
- stable/c/c0adb5a947dec6cff7050ec56d78ecd3916f9ce6
- stable/c/dde4c1429b97383689f755ce92b4ed1e84a9c92b
- stable/c/9c5b77a7ffc983b2429ce158b50497c5d3c86a69
- stable/c/3253c87e1e5bc0107aab773af2f135ebccf38666
- stable/c/7cea848678470daadbfdaa6a112b823c290f900c
- stable/c/811178f296b16af30264def74c8d2179a72d5562
- stable/c/bb8a4fcb2136508224c596a7e665bdba1d7c3c27