CVE-2023-1382 Null dereference in Kernel

What is CVE-2023-1382?

CVE-2023-1382 is a medium-severity vulnerability in Linux kernel, published on 19 Apr 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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.

Weakness: CWE-476

Which versions are affected by CVE-2023-1382?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-1382?

Apply the vendor's patch.

Is CVE-2023-1382 being exploited?

There is no known exploitation of CVE-2023-1382 in the wild and no public exploit code.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as AZL-26315, DEBIAN-CVE-2023-1382, GHSA-8683-hc58-cmgj, UBUNTU-CVE-2023-1382.