CVE-2022-49915
mISDN: fix possible memory leak in mISDN_register_device()
- 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- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean?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: mISDN: fix possible memory leak in mISDN_register_device() Afer commit 1fa5ae857bb1 ("driver core: get rid of struct device's bus_id string array"), the name of device is allocated dynamically, add put_device() to give up the reference, so that the name can be freed in kobject_cleanup() when the refcount is 0. Set device class before put_device() to avoid null release() function WARN message in device_release().
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
2.6.30
References 8
git.kernel.org
- stable/c/d1d1aede313eb2b9a84afd60ff6cfb7c33631e0e
- stable/c/080aabfb29b2ee9cbb8894a1d039651943d3773e
- stable/c/a636fc5a7cabd05699b5692ad838c2c7a3abec7b
- stable/c/2ff6b669523d3b3d253a044fa9636a67d0694995
- stable/c/e77d213843e67b4373285712699b692f9c743f61
- stable/c/029d5b7688a2f3a86f2a3be5a6ba9cc968c80e41
- stable/c/0d4e91efcaee081e919b3c50e875ecbb84290e41
- stable/c/e7d1d4d9ac0dfa40be4c2c8abd0731659869b297