RDMA/cxgb4: Fix potential null-ptr-deref in pass_establish()
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.
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- 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
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53335.json
- https://nvd.nist.gov/vuln/detail/CVE-2023-53335