Privilege escalation in Linux kernel PCMCIA
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-44032 |
| CWE-ID | CWE-362 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Race condition
EUVDB-ID: #VU77323
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-44032
Exploit availability: No
DescriptionThe vulnerability allows an attacker to escalate privileges on the system.
The vulnerability exists due to a race condition in drivers/char/pcmcia/cm4000_cs.c in Linux kernel. An attacker with physical access to device can remove the PCMCIA device while calling open() to trigger a use-after-free error and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versionsLinux kernel: All versions
External linkshttp://lore.kernel.org/lkml/20220915020834.GA110086@ubuntu/
http://lore.kernel.org/lkml/20220919040701.GA302806@ubuntu/
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
