CVE-2023-52878 can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds

What is CVE-2023-52878?

CVE-2023-52878 is a medium-severity vulnerability in Linux kernel, published on 21 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds

If the "struct can_priv::echoo_skb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning message and return with an error.

Weakness: CWE-125

Which versions are affected by CVE-2023-52878?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2023-52878?

Apply the vendor's patch.

Is CVE-2023-52878 being exploited?

There is no known exploitation of CVE-2023-52878 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 BELL-CVE-2023-52878, DEBIAN-CVE-2023-52878, GHSA-fhgv-9f93-wpvr, ROOT-OS-DEBIAN-11-CVE-2023-52878, UBUNTU-CVE-2023-52878.