Bug 2363718 (CVE-2023-53066)

Summary: CVE-2023-53066 kernel: qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in the QED SR-IOV support in the Linux kernel. Improper validation of the value returned from the qed_iov_get_vf_info function can cause a NULL pointer dereference and result in a denial of service.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2025-05-02 16:03:03 UTC
In the Linux kernel, the following vulnerability has been resolved:

qed/qed_sriov: guard against NULL derefs from qed_iov_get_vf_info

We have to make sure that the info returned by the helper is valid
before using it.

Found by Linux Verification Center (linuxtesting.org) with the SVACE
static analysis tool.

Comment 1 Avinash Hanwate 2025-05-05 06:19:08 UTC
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2025050211-CVE-2023-53066-cba3@gregkh/T