CVE-2025-68213: idpf: fix possible vport_config NULL pointer deref in remove
Vulnerability summary
CVE-2025-68213 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.6% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 21 · Related 21Timeline
- 16-12-2025PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: not stated in public data.
Ubuntu117 products
- linux< 6.8.0-106.106 | < 6.17.0-19.19
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1050.53 | < 6.17.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.12.63-1 | < 6.17.10-1
Linux1 product
- linux≥ bd80fbf3ed250ca98923780dab5e634db5d2f828, < a0e1c9bc1c9fe735978150ad075616a728073bc7 | ≥ e1e3fec3e34b4934a9d2c98e4ee00a4d87b19179, < d5be8663cff0ba7b94da34ebd499ce1123b4c334 | ≥ e1e3fec3e34b4934a9d2c98e4ee00a4d87b19179, < 118082368c2b6ddefe6cb607efc312285148f044 | 5e87b3145578a169839e456fa0aba86e123d2d8e | ba11b0f3e9a97661f6caeee3dfc633af8ecee5a5 | ≥ 6.12.43, < 6.12.60 | ≥ 6.15.11, < 6.16 | ≥ 6.16.2, < 6.17 | 6.17
3 vendors · 119 products