CVE-2025-68213
In the Linux kernel, the following vulnerability has been resolved: idpf: fix possible vport_config NULL pointer deref in remove Attempting to remove the driver will cause a crash in cases where the vport failed to initialize. Following trace is from an instance where the driver failed during an attempt to create a VF: [ 1661.543624] idpf 0000:84:00.7: Device HW Reset initiated [ 1722.923726] idpf 0000:84:00.7: Transaction timed-out (op:1 cookie:2900 vc_op:1 salt:29 timeout:60000ms) [ 1723.353263] BUG: kernel NULL pointer dereference, address: 0000000000000028 ... [ 1723.358472] RIP: 0010:idpf_remove+0x11c/0x200 [idpf] ... [ 1723.364973] Call Trace: [ 1723.365475] <TASK> [ 1723.365972] pci_device_remove+0x42/0xb0 [ 1723.366481] device_release_driver_internal+0x1a9/0x210 [ 1723.366987] pci_stop_bus_device+0x6d/0x90 [ 1723.367488] pci_stop_and_remove_bus_device+0x12/0x20 [ 1723.367971] pci_iov_remove_virtfn+0xbd/0x120 [ 1723.368309] sriov_disable+0x34/0xe0 [ 1723.368643] idpf_sriov_configure+0x58/0x140 [idpf] [ 1723.368982] sriov_numvfs_store+0xda/0x1c0 Avoid the NULL pointer dereference by adding NULL pointer check for vport_config[i], before freeing user_config.q_coalesce.
Affected versions
Linux kernel versions
6.12.43,
6.15.11,
6.16.2,
6.17
and later are affected. Fixed in
6.12.60,
6.17.10,
6.18
and their respective stable series.
References
The following references provide additional information about CVE-2025-68213 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/118082368c2b6ddefe6cb607efc312285148f044
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PatchKernel patch commithttps://git.kernel.org/stable/c/a0e1c9bc1c9fe735978150ad075616a728073bc7
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PatchKernel patch commithttps://git.kernel.org/stable/c/d5be8663cff0ba7b94da34ebd499ce1123b4c334
Frequently asked questions
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What is CVE-2025-68213?
CVE-2025-68213 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.12.43 onward and has been patched in 6.12.60, 6.17.10 and 6.18. CVE-2025-68213 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2025-68213?
Yes — CVE-2025-68213 has been patched. Fixed versions include 6.12.60, 6.17.10 and 6.18. If you are running Linux kernel 6.12.43 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2025-68213 actively exploited?
No — CVE-2025-68213 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.