Fedora 41 update for microcode_ctl



Published: 2024-08-29
Risk Low
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2024-24853
CVE-2024-24980
CVE-2024-25939
CWE-ID CWE-696
CWE-693
CWE-399
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Fedora
Operating systems & Components / Operating system

microcode_ctl
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Incorrect behavior order

EUVDB-ID: #VU96259

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24853

CWE-ID: CWE-696 - Incorrect Behavior Order

Exploit availability: No

Description

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

The vulnerability exists due to an incorrect behavior order in SMI Transfer monitor (STM). A local user can escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 41

microcode_ctl: before 2.1-64.fc41

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2024-67a38b081a


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) Protection Mechanism Failure

EUVDB-ID: #VU96214

Risk: Low

CVSSv3.1: 3.4 [CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24980

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

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

The vulnerability exists due to insufficient implementation of security measures. A local privileged user can escalate privileges on the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 41

microcode_ctl: before 2.1-64.fc41

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2024-67a38b081a


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.

3) Resource management error

EUVDB-ID: #VU96213

Risk: Low

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

CVE-ID: CVE-2024-25939

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application. Mirrored regions with different values in 3rd Generation Intel Xeon Scalable Processors may allow a local privileged user to crash the system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 41

microcode_ctl: before 2.1-64.fc41

External links

http://bodhi.fedoraproject.org/updates/FEDORA-2024-67a38b081a


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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