CVE-2024-26744 RDMA/srpt: Support specifying the srpt_service_guid parameter

Medium 5.5 Published Updated

Loading the ib_srpt kernel module with a specific parameter causes a null pointer dereference, leading to a system crash.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2024-26744?

CVE-2024-26744 is a medium-severity vulnerability in Debian Debian Linux, published on 3 Apr 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:

RDMA/srpt: Support specifying the srpt_service_guid parameter

Make loading ib_srpt with this parameter set work. The current behavior is that setting that parameter while loading the ib_srpt kernel module triggers the following kernel crash:

BUG: kernel NULL pointer dereference, address: 0000000000000000 Call Trace: <TASK> parse_one+0x18c/0x1d0 parse_args+0xe1/0x230 load_module+0x8de/0xa60 init_module_from_file+0x8b/0xd0 idempotent_init_module+0x181/0x240 __x64_sys_finit_module+0x5a/0xb0 do_syscall_64+0x5f/0xe0 entry_SYSCALL_64_after_hwframe+0x6e/0x76

Weakness: CWE-476

Which versions are affected by CVE-2024-26744?

It affects 2 products.

Products include Debian Debian Linux, Linux kernel.

How do I fix CVE-2024-26744?

Apply the vendor's patch.

Is CVE-2024-26744 being exploited?

There is no known exploitation of CVE-2024-26744 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as BELL-CVE-2024-26744, DEBIAN-CVE-2024-26744, GHSA-w5xq-h3xv-j2fj, UBUNTU-CVE-2024-26744.

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