{"id":"CVE-2026-72038","state":"PUBLISHED","title":"net: liquidio: fix BAR resource leak on PF number failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: fix BAR resource leak on PF number failure\n\nIf cn23xx_get_pf_num() fails, the function returns without\nunmapping either BAR. Unmap both BARs before returning from\nthe error path.\n\nFound by manual code review.","publishedAt":"2026-08-15T05:51:58.487Z","updatedAt":"2026-08-17T05:07:04.031Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"75b924759de9427761115301308c137904aa3f99","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"4a45884566bab4122bbeb8fff7d2d6b5fdbded24","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"020e52aee732bb08e6b89dd02bbf88895a50fffd","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"b74f293e5f38052cfa14710abfacd6b6561cc2d6","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"a22103618ee5b6ee884c374351f65fcdff7248f0","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"4140c516473a0e116ab3a73f9320c2aa5800210b","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"]}],"references":["https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99","https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24","https://git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd","https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6","https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0","https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67","https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b","https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72038.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72038","state":"PUBLISHED","datePublished":"2026-08-15T05:51:58.487Z","dateUpdated":"2026-08-17T05:07:04.031Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.901Z"},"containers":{"cna":{"title":"net: liquidio: fix BAR resource leak on PF number failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: fix BAR resource leak on PF number failure\n\nIf cn23xx_get_pf_num() fails, the function returns without\nunmapping either BAR. Unmap both BARs before returning from\nthe error path.\n\nFound by manual code review."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"75b924759de9427761115301308c137904aa3f99","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"4a45884566bab4122bbeb8fff7d2d6b5fdbded24","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"020e52aee732bb08e6b89dd02bbf88895a50fffd","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"b74f293e5f38052cfa14710abfacd6b6561cc2d6","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"a22103618ee5b6ee884c374351f65fcdff7248f0","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"4140c516473a0e116ab3a73f9320c2aa5800210b","versionType":"git"},{"version":"0c45d7fe12c7e1510bae9dfac189c8b927e4636b","status":"affected","lessThan":"c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99"},{"url":"https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24"},{"url":"https://git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd"},{"url":"https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6"},{"url":"https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0"},{"url":"https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67"},{"url":"https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b"},{"url":"https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:07:04.031Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}