Red Hat Enterprise Linux for Real Time 8.4 update for kernel-rt



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-0494
CVE-2022-1353
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Subscribe 		Red Hat Enterprise Linux for Real Time - Telecommunications Update Service
Operating systems & Components / Operating system

Red Hat Enterprise Linux for Real Time for NFV
Operating systems & Components / Operating system

kernel-rt (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU64259

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-0494

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in the scsi_ioctl() function in drivers/scsi/scsi_ioctl.c in the Linux kernel. A local user with a special user privilege (CAP_SYS_ADMIN or CAP_SYS_RAWIO) can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for Real Time - Telecommunications Update Service: 8.4

kernel-rt (Red Hat package): 4.18.0-305.7.1.rt7.79.el8_4 - 4.18.0-305.57.1.rt7.129.el8_4

Red Hat Enterprise Linux for Real Time for NFV: 8.4

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:6248


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?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU63388

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1353

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the pfkey_register function in net/key/af_key.c in the Linux kernel. A local user can gain unauthorized access to kernel memory, leading to a system crash or a leak of internal kernel information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux for Real Time - Telecommunications Update Service: 8.4

kernel-rt (Red Hat package): 4.18.0-305.7.1.rt7.79.el8_4 - 4.18.0-305.57.1.rt7.129.el8_4

Red Hat Enterprise Linux for Real Time for NFV: 8.4

CPE2.3 External links

http://access.redhat.com/errata/RHSA-2022:6248


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?

No. We are not aware of malware exploiting this vulnerability.



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