// For flags

CVE-2023-1382

kernel: denial of service in tipc_conn_close

Severity Score

4.7
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

A data race flaw was found in the Linux kernel, between where con is allocated and con->sock is set. This issue leads to a NULL pointer dereference when accessing con->sock->sk in net/tipc/topsrv.c in the tipc protocol in the Linux kernel.

Wei Chen discovered that a race condition existed in the TIPC protocol implementation in the Linux kernel, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service. It was discovered that the virtio network implementation in the Linux kernel did not properly handle file references in the host, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly expose sensitive information.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
High
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-03-14 CVE Reserved
  • 2023-04-06 CVE Published
  • 2025-03-19 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-476: NULL Pointer Dereference
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Linux
Search vendor "Linux"
Linux Kernel
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< 6.1
Search vendor "Linux" for product "Linux Kernel" and version " < 6.1"
-
Affected
Linux
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Linux Kernel
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6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc1
Affected
Linux
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Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc2
Affected
Linux
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Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc3
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc4
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc5
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
6.1
Search vendor "Linux" for product "Linux Kernel" and version "6.1"
rc6
Affected