{"id":"CVE-2026-72219","state":"PUBLISHED","title":"lockd: Plug nlm_file leak when nlm_do_fopen() fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nlockd: Plug nlm_file leak when nlm_do_fopen() fails\n\nA client can repeatedly drive nlm_do_fopen() failures by presenting\nfile handles that the underlying export rejects. After kzalloc_obj()\nsucceeds in nlm_lookup_file(), the freshly allocated nlm_file is not\nyet inserted into nlm_files[]. The nlm_do_fopen() failure path jumps\nto out_unlock, which releases nlm_file_mutex and returns without\nfreeing the allocation, so each failure leaks one nlm_file.\n\nRoute the failure through out_free so kfree() runs before the\nfunction returns.","publishedAt":"2026-08-15T05:54:13.067Z","updatedAt":"2026-08-17T05:10:34.296Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e580323ac0b51ad10ec2e181d1f777479b7983e7","status":"affected","lessThan":"bca74fff138429f3d5802865f38fc883d53a4f1a","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"d7c677feb3aa1f42b1026d75a8ea61338b51e4fb","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"39f59bf67231ed2eb0cdf6337194360e964b609a","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"ddfbd816273b4e9c9b836f5b8773664c6f40f807","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"1403f1221a35a6caf959bb7bf005741f17263c66","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"1161c4b5bd0048c8148e919f818a33cff3623ef0","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"3f2dc01b9cb516d4727a3b9263ee58c71ca00ba9","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"f16a1513452edb532fec81e591c64c320866719c","versionType":"git"},{"version":"5.10.220","status":"affected","lessThan":"5.10.261","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/lockd/svcsubs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","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":["fs/lockd/svcsubs.c"]}],"references":["https://git.kernel.org/stable/c/bca74fff138429f3d5802865f38fc883d53a4f1a","https://git.kernel.org/stable/c/d7c677feb3aa1f42b1026d75a8ea61338b51e4fb","https://git.kernel.org/stable/c/39f59bf67231ed2eb0cdf6337194360e964b609a","https://git.kernel.org/stable/c/ddfbd816273b4e9c9b836f5b8773664c6f40f807","https://git.kernel.org/stable/c/1403f1221a35a6caf959bb7bf005741f17263c66","https://git.kernel.org/stable/c/1161c4b5bd0048c8148e919f818a33cff3623ef0","https://git.kernel.org/stable/c/3f2dc01b9cb516d4727a3b9263ee58c71ca00ba9","https://git.kernel.org/stable/c/f16a1513452edb532fec81e591c64c320866719c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72219.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72219","state":"PUBLISHED","datePublished":"2026-08-15T05:54:13.067Z","dateUpdated":"2026-08-17T05:10:34.296Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.913Z"},"containers":{"cna":{"title":"lockd: Plug nlm_file leak when nlm_do_fopen() fails","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nlockd: Plug nlm_file leak when nlm_do_fopen() fails\n\nA client can repeatedly drive nlm_do_fopen() failures by presenting\nfile handles that the underlying export rejects. After kzalloc_obj()\nsucceeds in nlm_lookup_file(), the freshly allocated nlm_file is not\nyet inserted into nlm_files[]. The nlm_do_fopen() failure path jumps\nto out_unlock, which releases nlm_file_mutex and returns without\nfreeing the allocation, so each failure leaks one nlm_file.\n\nRoute the failure through out_free so kfree() runs before the\nfunction returns."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e580323ac0b51ad10ec2e181d1f777479b7983e7","status":"affected","lessThan":"bca74fff138429f3d5802865f38fc883d53a4f1a","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"d7c677feb3aa1f42b1026d75a8ea61338b51e4fb","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"39f59bf67231ed2eb0cdf6337194360e964b609a","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"ddfbd816273b4e9c9b836f5b8773664c6f40f807","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"1403f1221a35a6caf959bb7bf005741f17263c66","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"1161c4b5bd0048c8148e919f818a33cff3623ef0","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"3f2dc01b9cb516d4727a3b9263ee58c71ca00ba9","versionType":"git"},{"version":"7f024fcd5c97dc70bb9121c80407cf3cf9be7159","status":"affected","lessThan":"f16a1513452edb532fec81e591c64c320866719c","versionType":"git"},{"version":"5.10.220","status":"affected","lessThan":"5.10.261","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/lockd/svcsubs.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","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":["fs/lockd/svcsubs.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/bca74fff138429f3d5802865f38fc883d53a4f1a"},{"url":"https://git.kernel.org/stable/c/d7c677feb3aa1f42b1026d75a8ea61338b51e4fb"},{"url":"https://git.kernel.org/stable/c/39f59bf67231ed2eb0cdf6337194360e964b609a"},{"url":"https://git.kernel.org/stable/c/ddfbd816273b4e9c9b836f5b8773664c6f40f807"},{"url":"https://git.kernel.org/stable/c/1403f1221a35a6caf959bb7bf005741f17263c66"},{"url":"https://git.kernel.org/stable/c/1161c4b5bd0048c8148e919f818a33cff3623ef0"},{"url":"https://git.kernel.org/stable/c/3f2dc01b9cb516d4727a3b9263ee58c71ca00ba9"},{"url":"https://git.kernel.org/stable/c/f16a1513452edb532fec81e591c64c320866719c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:10:34.296Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.220","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}