{"api_version":"1","generated_at":"2026-09-15T15:04:53+00:00","cve":"CVE-2026-80538","urls":{"html":"https://cve.report/CVE-2026-80538","api":"https://cve.report/api/cve/CVE-2026-80538.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80538","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80538"},"summary":{"title":"xfs: propagate errors from xfs_rtginode_load","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: propagate errors from xfs_rtginode_load\n\nxfs_rtginode_ensure() treats every xfs_rtginode_load() error other than\n-ENOENT as success.  This can leave the realtime group inode unset after an\nI/O, allocation, or corruption error.  Growfs then continues as though the\ninode had been loaded.\n\nOnly -ENOENT means that the inode needs to be created.  Return all other\nerrors to the growfs caller.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-26 15:17:08","updated_at":"2026-08-27 06:17:34"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/ec19cea4ef1ce9d6e2e3f7e9e7bf88ede31176e7","name":"https://git.kernel.org/stable/c/ec19cea4ef1ce9d6e2e3f7e9e7bf88ede31176e7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b7e53968cb8882c2d276429ea8550848a4940874","name":"https://git.kernel.org/stable/c/b7e53968cb8882c2d276429ea8550848a4940874","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/61c5165f02deb2eed9b6b539bb279e6629fee652","name":"https://git.kernel.org/stable/c/61c5165f02deb2eed9b6b539bb279e6629fee652","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80538","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80538","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae897e0bed0f5461a6b1c3259c7d899759ba2a62 ec19cea4ef1ce9d6e2e3f7e9e7bf88ede31176e7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae897e0bed0f5461a6b1c3259c7d899759ba2a62 61c5165f02deb2eed9b6b539bb279e6629fee652 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected ae897e0bed0f5461a6b1c3259c7d899759ba2a62 b7e53968cb8882c2d276429ea8550848a4940874 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.13","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.13 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.46 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.10 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"80538","cve":"CVE-2026-80538","epss":"0.001240000","percentile":"0.024150000","score_date":"2026-08-27","updated_at":"2026-08-28 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the Linux kernel, the following vulnerability has been resolved:\n\nxfs: propagate errors from xfs_rtginode_load\n\nxfs_rtginode_ensure() treats every xfs_rtginode_load() error other than\n-ENOENT as success.  This can leave the realtime group inode unset after an\nI/O, allocation, or corruption error.  Growfs then continues as though the\ninode had been loaded.\n\nOnly -ENOENT means that the inode needs to be created.  Return all other\nerrors to the growfs caller."}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"scenarios":[{"lang":"en","value":"AV:L - The bug is reached only through the local XFS_IOC_FSGROWFSRT ioctl (xfs_file_ioctl -> xfs_growfs_rt -> xfs_growfs_rtg -> xfs_rtginode_ensure); it is not exposed via NFS, ksmbd, or any network packet handler.\nAC:L - A growfs caller can reliably force xfs_rtginode_load() to return a non-ENOENT error using attacker-influenced conditions such as memory pressure, RT device/metadata I/O faults, or corrupted rtgroup inode state, deterministically entering the swallowed-error path.\nPR:L - xfs_growfs_rt() gates on capable(CAP_SYS_ADMIN), which is satisfied by user-namespace root per kernel CNA guidance; only a writable file descriptor on a realtime-enabled XFS mount is additionally required, not init-namespace root.\nUI:N - The attacker with the required capability and mount write access issues XFS_IOC_FSGROWFSRT directly; no separate victim action such as opening files or mounting the filesystem is needed beyond that.\nS:U - Impact is a host kernel crash or on-disk XFS realtime metadata corruption within the same kernel security domain; it does not cross a VM, container, or IOMMU isolation boundary.\nC:N - The failure mode is an unset rtgroup inode pointer followed by NULL xfs_inode dereference during growfs; there is no use-after-free, out-of-bounds read, or other kernel memory disclosure primitive.\nI:H - Continuing growfs after rtgroup inode load failures lets superblock and realtime bitmap/summary update paths proceed while critical metadata inodes were never loaded, corrupting on-disk XFS realtime metadata integrity (notably on zoned growfs paths that can commit before crashing).\nA:H - When growfs proceeds with NULL rtgroup bitmap or summary inodes, xfs_growfs_rt_bmblock and xfs_rtfile_initialize_blocks dereference the missing xfs_inode and trigger a kernel oops or panic, denying system availability."}]}],"providerMetadata":{"dateUpdated":"2026-08-27T05:01:28.422Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/ec19cea4ef1ce9d6e2e3f7e9e7bf88ede31176e7"},{"url":"https://git.kernel.org/stable/c/61c5165f02deb2eed9b6b539bb279e6629fee652"},{"url":"https://git.kernel.org/stable/c/b7e53968cb8882c2d276429ea8550848a4940874"}],"title":"xfs: propagate errors from xfs_rtginode_load","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80538","datePublished":"2026-08-26T14:37:12.767Z","dateReserved":"2026-08-26T14:34:25.765Z","dateUpdated":"2026-08-27T05:01:28.422Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-26 15:17:08","lastModifiedDate":"2026-08-27 06:17:34","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.2}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80538","Ordinal":"1","Title":"xfs: propagate errors from xfs_rtginode_load","CVE":"CVE-2026-80538","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80538","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nxfs: propagate errors from xfs_rtginode_load\n\nxfs_rtginode_ensure() treats every xfs_rtginode_load() error other than\n-ENOENT as success.  This can leave the realtime group inode unset after an\nI/O, allocation, or corruption error.  Growfs then continues as though the\ninode had been loaded.\n\nOnly -ENOENT means that the inode needs to be created.  Return all other\nerrors to the growfs caller.","Type":"Description","Title":"xfs: propagate errors from xfs_rtginode_load"}]}}}