What’s Vulnerable › Vulnerabilities

CVE-2026-72038: net: liquidio: fix BAR resource leak on PF number failure

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: net: liquidio: fix BAR resource leak on PF number failure If cn23xx_get_pf_num() fails, the function returns without unmapping either BAR. Unmap both BARs before returning from the error path. Found by manual code review.

Affected products

• Linux kernel: 4.14 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd
• https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b
• https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24
• https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67
• https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99
• https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0
• https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6
• https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496

Get alerted when CVE-2026-72038 or the next vulnerability affects your stack