Slackware Linux update for Slackware 14.2 kernel



Published: 2018-05-23
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2018-1000004
CVE-2018-1092
CWE-ID CWE-362
CWE-476
Exploitation vector Network
Public exploit Public exploit code for vulnerability #2 is available.
Vulnerable software
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Slackware Linux
Operating systems & Components / Operating system

Vendor Slackware

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Race condition

EUVDB-ID: #VU10679

Risk: Medium

CVSSv3.1: 7.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-1000004

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to race condition in the sound system. A remote attacker can trigger deadlock and cause the system to crash.

Mitigation

Update the affected package Slackware 14.2 kernel.

Vulnerable software versions

Slackware Linux: 14.2

External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.696300


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) NULL pointer dereference

EUVDB-ID: #VU11518

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-1092

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The weakness exists due to improper processing of a customized ext4 image when using the ext4_iget function, as defined in the fs/ext4/inode.c source code file. A local attacker can mount a customized ext4 image, trigger NULL pointer dereference and an Out-of-Process Space (OOPS) kernel memory error and cause the service to crash.

Mitigation

Update the affected package Slackware 14.2 kernel.

Vulnerable software versions

Slackware Linux: 14.2

External links

http://www.slackware.com/security/viewer.php?l=slackware-security&y=2018&m=slackware-security.696300


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. However, proof of concept for this vulnerability is available.



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