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Known exploited vulnerability

CVE-2014-0196

mediumCVSS 3.1 5.5In CISA KEVEPSS 20%Published · n/a

The short answer

CVE-2014-0196 affects n/a n/a and is rated medium (CVSS 5.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-05-12: attackers are using it, so patch it first. The vendor has linked a patch.

What it is

The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings.

Weakness: CWE-362.

Severity

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploited (CISA KEV)

Yes, since May 12, 2023

Federal due date Jun 2, 2023

EPSS, next 30 days

20%

Higher than 97% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
None
Availability impact
High

What CISA says to do

The impacted product is end-of-life and should be disconnected if still in use.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2014-0196 being exploited?

Yes. CISA added CVE-2014-0196 to its Known Exploited Vulnerabilities catalog on 2023-05-12, with a federal remediation due date of 2023-06-02.

How do I fix CVE-2014-0196?

CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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