CVE-2023-53082
7.8 · HIGHOverview
CVE-2023-53082 is a high-severity vulnerability affecting linux linux_kernel. It was published on May 2, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
vp_vdpa: fix the crash in hot unplug with vp_vdpa
While unplugging the vp_vdpa device, it triggers a kernel panic
The root cause is: vdpa_mgmtdev_unregister() will accesses modern
devices which will cause a use after free.
So need to change the sequence in vp_vdpa_remove
[ 195.003359] BUG: unable to handle page fault for address: ff4e8beb80199014
[ 195.004012] #PF: supervisor read access in kernel mode
[ 195.004486] #PF: error_code(0x0000) - not-present page
[ 195.004960] PGD 100000067 P4D 1001b6067 PUD 1001b7067 PMD 1001b8067 PTE 0
[ 195.005578] Oops: 0000 1 PREEMPT SMP PTI
[ 195.005968] CPU: 13 PID: 164 Comm: kworker/u56:10 Kdump: loaded Not tainted 5.14.0-252.el9.x86_64 #1
[ 195.006792] Hardware name: Red Hat KVM/RHEL, BIOS edk2-20221207gitfff6d81270b5-2.el9 unknown
[ 195.007556] Workqueue: kacpi_hotplug acpi_hotplug_work_fn
[ 195.008059] RIP: 0010:ioread8+0x31/0x80
[ 195.008418] Code: 77 28 48 81 ff 00
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 5.19, < 6.1.21 | Affected |
Frequently Asked Questions
What is CVE-2023-53082?
CVE-2023-53082 is a high-severity vulnerability affecting linux linux_kernel. It was published on May 2, 2025 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2023-53082?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2023-53082?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2023-53082?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-53082 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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