Linux Kernel up to 5.9.13 Locking drivers/tty/tty_io.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Linux Kernel up to 5.9.13. It has been rated as critical. This vulnerability affects unknown code of the file drivers/tty/tty_io.c of the component Locking Handler. This manipulation causes an unknown weakness. The identification of this vulnerability is CVE-2020-29660. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Linux Kernel up to 5.9.13 (Operating System). It has been declared as critical. Affected by this vulnerability is an unknown function of the file drivers/tty/tty_io.c of the component Locking Handler. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. The impact remains unknown.

The weakness was shared 12/10/2020. The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2020-29660. Technical details are known, but no exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/15/2020).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

12/09/2020 🔍
12/09/2020 +0 days 🔍
12/10/2020 +0 days 🔍
12/15/2020 +5 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Not defined

CVE: CVE-2020-29660 (🔍)
GCVE (CVE): GCVE-0-2020-29660
GCVE (VulDB): GCVE-100-165949

Entryinfo

Created: 12/10/2020 00:33
Updated: 12/15/2020 11:59
Changes: 12/10/2020 00:33 (39), 12/15/2020 11:53 (2), 12/15/2020 11:59 (19)
Complete: 🔍
Cache ID: 216::103

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