CVE-2026-72038 json
net: liquidio: fix BAR resource leak on PF number failure
published 2026-08-15 2 mo ago modified 2026-08-17 2 mo ago also EUVD-2026-58996
- cvss
- —
- not scored
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Linux Linux 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
- linux Debian 12 6.1.180-1
- linux Debian 13 6.12.100-1
- linux Debian 14 7.1.5-1
debian advisories DEBIAN-CVE-2026-72038
- linux Ubuntu 22.04 LTS 5.15.0-198.208
- linux Ubuntu 24.04 LTS 6.8.0-147.147
- linux Ubuntu 26.04 LTS 7.0.0-38.38
- linux-aws Ubuntu 22.04 LTS 5.15.0-1117.124
- linux-aws Ubuntu 24.04 LTS 6.8.0-1067.70
- linux-aws Ubuntu 26.04 LTS 7.0.0-1014.14
- linux-gcp Ubuntu 22.04 LTS 5.15.0-1118.128
- linux-gcp Ubuntu 24.04 LTS 6.8.0-1071.79
ubuntu advisories UBUNTU-CVE-2026-72038
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99 commit
- git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24 commit
- git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd commit
- git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6 commit
- git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0 commit
- git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67 commit
- git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b commit
- git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496 commit
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-72038 updated cvss 5.5
kernel: net: liquidio: fix BAR resource leak on PF number failure
-
Red Hat Enterprise Linux 6 perf, kernel, python-perf, kernel-kdump, kernel-firmware, kernel-bootwrapper, +1 more Red Hat Enterprise Linux 7 perf, kernel, bpftool, kernel-rt, python-perf, kernel-kdump, +8 more Red Hat Enterprise Linux 8 perf, kernel, bpftool, kernel-rt, kernel-core, kernel-tools, +29 more Red Hat Enterprise Linux 9 rv, perf, rtla, kernel, bpftool, libperf, +83 more Red Hat Enterprise Linux 10 kernelnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
Affected products
- Linux Linux
Classification
- Technology feeds
References
- git.kernel.org /stable/c/75b924759de9427761115301308c137904aa3f99
- git.kernel.org /stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24
- git.kernel.org /stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd
- git.kernel.org /stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6
- git.kernel.org /stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0
- git.kernel.org /stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67
- git.kernel.org /stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b
- git.kernel.org /stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496
Sources
- CVE List CVE-2026-72038
- NVD CVE-2026-72038
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.