CVE-2023-53335

RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()

CVSS 5.5 MEDIUMEPSS 0.2%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

17 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

In the Linux kernel, the following vulnerability has been resolved: RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish() If get_ep_from_tid() fails to lookup non-NULL value for ep, ep is dereferenced later regardless of whether it is empty. This patch adds a simple sanity check to fix the issue. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/283861a4c52c1ea4df3dd1b6fc75a50796ce3524 https://git.kernel.org/stable/c/2cfc00e974d75a3aa8155f2660f57d342e1f67ca https://git.kernel.org/stable/c/9dca64042d855a24b0bd81ce242e5dc7e939f6eb https://git.kernel.org/stable/c/9ddc77eefb2a567b705c3c86ab2ddabe43cadf1b