IBM CICS Transaction Gateway update for Linux kernel



| Updated: 2024-08-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-0185
CWE-ID CWE-190
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
CICS Transaction Gateway
Server applications / Other server solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Integer overflow

EUVDB-ID: #VU59695

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2022-0185

CWE-ID: CWE-190 - Integer overflow

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to integer overflow in the legacy_parse_param() function in fs/fs_context.c in Linux kernel. A local user can tun a specially crafted program to trigger integer overflow and execute arbitrary code with root privileges.


Mitigation

Install update from vendor's website.

Vulnerable software versions

CICS Transaction Gateway: 9.3

CPE2.3 External links

http://www.ibm.com/support/pages/node/7105097


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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