{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"a705e056c2f3dd067fb2ff414f0537530baa090b","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"bd5a80128bdfc93b1cae935a70da000b8c483e6e","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"17eb2ab13edd0b06ce6f996c5fd450d7efabb2e8","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"889374b8e4a60d13fe4a5a8ae3a311ca93d1a2c3","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"01c49eae7c6256f2d8cc08210a2bac3ee070e43a","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"14e03ecd3b1b5fc03c082b27a2f8889f8290c30e","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"b69ea153d30ce19ca8997eeeca1e2219fae5a29b","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"},{"lessThan":"9ae672606c17891d90b282e3490b817620549599","status":"affected","version":"eec40579d84873dfb7021eb24c50360f073237c5","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"3.15"},{"lessThan":"3.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.261","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.145","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2","versionType":"original_commit_for_fix"}]}],"cveId":"CVE-2026-72316","cwes":[],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndm era: fix NULL pointer dereference in metadata_open()\n\nmetadata_open() returns NULL when kzalloc_obj() fails, but the\ncaller era_ctr() only checks IS_ERR(md).  Since IS_ERR(NULL)\nreturns false, the NULL pointer is treated as a valid result\nand later assigned to era->md, leading to a NULL pointer\ndereference when the metadata is accessed.\n\nFix this by returning ERR_PTR(-ENOMEM) on allocation failure,\nconsistent with dm-cache-metadata.c, dm-thin-metadata.c, and\ndm-clone-metadata.c which all use ERR_PTR(-ENOMEM) for the\nsame pattern.","epss":{"date":"2026-11-06","percentile":0.12539,"score":0.0022},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793985582963,"publishedAt":1786773330399,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/a705e056c2f3dd067fb2ff414f0537530baa090b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/bd5a80128bdfc93b1cae935a70da000b8c483e6e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/17eb2ab13edd0b06ce6f996c5fd450d7efabb2e8"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/889374b8e4a60d13fe4a5a8ae3a311ca93d1a2c3"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/01c49eae7c6256f2d8cc08210a2bac3ee070e43a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/14e03ecd3b1b5fc03c082b27a2f8889f8290c30e"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b69ea153d30ce19ca8997eeeca1e2219fae5a29b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/9ae672606c17891d90b282e3490b817620549599"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/01c49eae7c6256f2d8cc08210a2bac3ee070e43a"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/14e03ecd3b1b5fc03c082b27a2f8889f8290c30e"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/17eb2ab13edd0b06ce6f996c5fd450d7efabb2e8"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/889374b8e4a60d13fe4a5a8ae3a311ca93d1a2c3"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/9ae672606c17891d90b282e3490b817620549599"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/a705e056c2f3dd067fb2ff414f0537530baa090b"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/b69ea153d30ce19ca8997eeeca1e2219fae5a29b"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/bd5a80128bdfc93b1cae935a70da000b8c483e6e"}],"remediation":[],"revision":"e7ae614f136f0d4236e962f64306fd7bef5d125a90fce77f8f9477cea0ab56fe","sources":[{"modifiedAt":1793984125833,"name":"CNA: Linux","retrievedAt":1793986093449,"url":"https://www.cve.org/CVERecord?id=CVE-2026-72316"},{"modifiedAt":1793985582963,"name":"NVD","retrievedAt":1793989708647,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72316"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793986124095,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-72316"}],"ssvc":{"assessedAt":1793984078013,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"dm era: fix NULL pointer dereference in metadata_open()","updatedAt":1793989708647}