Linux Kernel up to 5.4.6 Port Connection sas_discover.c race condition

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Linux Kernel up to 5.4.6. Affected by this issue is some unknown functionality in the library drivers/scsi/libsas/sas_discover.c of the component Port Connection Handler. This manipulation causes race condition. The identification of this vulnerability is CVE-2019-19965. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Linux Kernel up to 5.4.6 (Operating System). Affected by this vulnerability is some unknown functionality in the library drivers/scsi/libsas/sas_discover.c of the component Port Connection Handler. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect availability. The summary by CVE is:

In the Linux kernel through 5.4.6, there is a NULL pointer dereference in drivers/scsi/libsas/sas_discover.c because of mishandling of port disconnection during discovery, related to a PHY down race condition, aka CID-f70267f379b5.

The weakness was shared 12/25/2019. This vulnerability is known as CVE-2019-19965 since 12/25/2019. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-147710 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.6
VulDB Meta Temp Score: 3.6

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

12/25/2019 🔍
12/25/2019 +0 days 🔍
12/25/2019 +0 days 🔍
03/17/2024 +1544 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: USN-4284-1
Status: Not defined

CVE: CVE-2019-19965 (🔍)
GCVE (CVE): GCVE-0-2019-19965
GCVE (VulDB): GCVE-100-147709
See also: 🔍

Entryinfo

Created: 12/25/2019 09:53
Updated: 03/17/2024 07:22
Changes: 12/25/2019 09:53 (38), 12/25/2019 10:03 (18), 03/17/2024 07:22 (5)
Complete: 🔍
Cache ID: 216::103

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

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