Slackware Linux update for kernel



| Updated: 2025-04-24
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-3615
CVE-2018-3620
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
Slackware Linux
Operating systems & Components / Operating system

linux-4.4.153/kernel-headers
Operating systems & Components / Operating system package or component

linux-4.4.153/kernel-modules
Operating systems & Components / Operating system package or component

linux-4.4.153/kernel-huge
Operating systems & Components / Operating system package or component

linux-4.4.153/kernel-generic
Operating systems & Components / Operating system package or component

Vendor Slackware

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Side-channel attack

EUVDB-ID: #VU14410

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-3615

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to an error in systems with microprocessors utilizing speculative execution and Intel® software guard extensions (Intel® SGX). A local attacker can conduct side-channel attack and gain access to potentially sensitive information residing in the L1 data cache from an enclave.

Mitigation

Update the affected package kernel.

Vulnerable software versions

Slackware Linux: 14.2

linux-4.4.153/kernel-headers: All versions

linux-4.4.153/kernel-modules: All versions

linux-4.4.153/kernel-huge: All versions

linux-4.4.153/kernel-generic: All versions

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.715570


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) Side-channel attack

EUVDB-ID: #VU14411

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-3620

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local attacker to obtain potentially sensitive information.

The vulnerability exists due to an error in systems with microprocessors utilizing speculative execution and address translations . A local attacker can trigger terminal page fault, conduct side-channel attack and gain access to potentially sensitive information residing in the L1 data cache.

Mitigation

Update the affected package kernel.

Vulnerable software versions

Slackware Linux: 14.2

linux-4.4.153/kernel-headers: All versions

linux-4.4.153/kernel-modules: All versions

linux-4.4.153/kernel-huge: All versions

linux-4.4.153/kernel-generic: All versions

CPE2.3 External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.715570


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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