CVE-2026-23265

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-23265", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-01-13T15:37:45.991Z", "datePublished": "2026-03-18T17:44:48.031Z", "dateUpdated": "2026-05-11T22:03:31.038Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:03:31.038Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on node footer in {read,write}_end_io\n\n-----------[ cut here ]------------\nkernel BUG at fs/f2fs/data.c:358!\nCall Trace:\n <IRQ>\n blk_update_request+0x5eb/0xe70 block/blk-mq.c:987\n blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1149\n blk_complete_reqs block/blk-mq.c:1224 [inline]\n blk_done_softirq+0x107/0x160 block/blk-mq.c:1229\n handle_softirqs+0x283/0x870 kernel/softirq.c:579\n __do_softirq kernel/softirq.c:613 [inline]\n invoke_softirq kernel/softirq.c:453 [inline]\n __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680\n irq_exit_rcu+0x9/0x30 kernel/softirq.c:696\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]\n sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050\n </IRQ>\n\nIn f2fs_write_end_io(), it detects there is inconsistency in between\nnode page index (nid) and footer.nid of node page.\n\nIf footer of node page is corrupted in fuzzed image, then we load corrupted\nnode page w/ async method, e.g. f2fs_ra_node_pages() or f2fs_ra_node_page(),\nin where we won't do sanity check on node footer, once node page becomes\ndirty, we will encounter this bug after node page writeback."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/data.c", "fs/f2fs/f2fs.h", "fs/f2fs/node.c", "fs/f2fs/node.h"], "versions": [{"version": "e05df3b115e7308afbca652769b54e4549fcc723", "lessThan": "855c54f1803e3ebc613677b4f389c7f92656a1fc", "status": "affected", "versionType": "git"}, {"version": "e05df3b115e7308afbca652769b54e4549fcc723", "lessThan": "c386753db52b3a80afa6612bfdcb925aa5ca260f", "status": "affected", "versionType": "git"}, {"version": "e05df3b115e7308afbca652769b54e4549fcc723", "lessThan": "50ac3ecd8e05b6bcc350c71a4307d40c030ec7e4", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/f2fs/data.c", "fs/f2fs/f2fs.h", "fs/f2fs/node.c", "fs/f2fs/node.h"], "versions": [{"version": "3.8", "status": "affected"}, {"version": "0", "lessThan": "3.8", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.13", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.3", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.18.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "6.19.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.8", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/855c54f1803e3ebc613677b4f389c7f92656a1fc"}, {"url": "https://git.kernel.org/stable/c/c386753db52b3a80afa6612bfdcb925aa5ca260f"}, {"url": "https://git.kernel.org/stable/c/50ac3ecd8e05b6bcc350c71a4307d40c030ec7e4"}], "title": "f2fs: fix to do sanity check on node footer in {read,write}_end_io", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/f2fs/data.c", "fs/f2fs/f2fs.h", "fs/f2fs/node.c", "fs/f2fs/node.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "855c54f1803e3ebc613677b4f389c7f92656a1fc", "status": "affected", "version": "e05df3b115e7308afbca652769b54e4549fcc723", "versionType": "git"}, {"lessThan": "c386753db52b3a80afa6612bfdcb925aa5ca260f", "status": "affected", "version": "e05df3b115e7308afbca652769b54e4549fcc723", "versionType": "git"}, {"lessThan": "50ac3ecd8e05b6bcc350c71a4307d40c030ec7e4", "status": "affected", "version": "e05df3b115e7308afbca652769b54e4549fcc723", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/f2fs/data.c", "fs/f2fs/f2fs.h", "fs/f2fs/node.c", "fs/f2fs/node.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.8"}, {"lessThan": "3.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.13", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8F3C30C1-5691-4A68-9D9F-1190984B5F2F", "versionEndExcluding": "6.18.13", "versionStartIncluding": "3.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "7853A337-FB2A-4E19-AB47-4E38343532AA", "versionEndExcluding": "6.19.3", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to do sanity check on node footer in {read,write}_end_io\n\n-----------[ cut here ]------------\nkernel BUG at fs/f2fs/data.c:358!\nCall Trace:\n <IRQ>\n blk_update_request+0x5eb/0xe70 block/blk-mq.c:987\n blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1149\n blk_complete_reqs block/blk-mq.c:1224 [inline]\n blk_done_softirq+0x107/0x160 block/blk-mq.c:1229\n handle_softirqs+0x283/0x870 kernel/softirq.c:579\n __do_softirq kernel/softirq.c:613 [inline]\n invoke_softirq kernel/softirq.c:453 [inline]\n __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680\n irq_exit_rcu+0x9/0x30 kernel/softirq.c:696\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]\n sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050\n </IRQ>\n\nIn f2fs_write_end_io(), it detects there is inconsistency in between\nnode page index (nid) and footer.nid of node page.\n\nIf footer of node page is corrupted in fuzzed image, then we load corrupted\nnode page w/ async method, e.g. f2fs_ra_node_pages() or f2fs_ra_node_page(),\nin where we won't do sanity check on node footer, once node page becomes\ndirty, we will encounter this bug after node page writeback."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nf2fs: correcci\u00f3n para realizar una comprobaci\u00f3n de coherencia en el pie de p\u00e1gina del nodo en {read,write}_end_io\n\n-----------[ cut here ]------------\nBUG del kernel en fs/f2fs/data.c:358!\nTraza de llamadas:\n \n blk_update_request+0x5eb/0xe70 block/blk-mq.c:987\n blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1149\n blk_complete_reqs block/blk-mq.c:1224 [inline]\n blk_done_softirq+0x107/0x160 block/blk-mq.c:1229\n handle_softirqs+0x283/0x870 kernel/softirq.c:579\n __do_softirq kernel/softirq.c:613 [inline]\n invoke_softirq kernel/softirq.c:453 [inline]\n __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:680\n irq_exit_rcu+0x9/0x30 kernel/softirq.c:696\n instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]\n sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1050\n \n\nEn f2fs_write_end_io(), se detecta una inconsistencia entre el \u00edndice de la p\u00e1gina de nodo (nid) y footer.nid de la p\u00e1gina de nodo.\n\nSi el pie de p\u00e1gina de la p\u00e1gina de nodo est\u00e1 corrupto en una imagen sometida a fuzzing, entonces cargamos la p\u00e1gina de nodo corrupta con un m\u00e9todo as\u00edncrono, p. ej., f2fs_ra_node_pages() o f2fs_ra_node_page(), donde no realizaremos una comprobaci\u00f3n de coherencia en el pie de p\u00e1gina del nodo; una vez que la p\u00e1gina de nodo se vuelve sucia, encontraremos este error despu\u00e9s de la escritura de vuelta de la p\u00e1gina de nodo."}], "id": "CVE-2026-23265", "lastModified": "2026-06-17T10:21:12.907", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-03-18T18:16:25.233", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/50ac3ecd8e05b6bcc350c71a4307d40c030ec7e4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/855c54f1803e3ebc613677b4f389c7f92656a1fc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c386753db52b3a80afa6612bfdcb925aa5ca260f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: f2fs: fix to do sanity check on node footer in {read,write}_end_io", "id": "2448709", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2448709"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2026-23265", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-03-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-23265\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-23265\nhttps://lore.kernel.org/linux-cve-announce/2026031853-CVE-2026-23265-6d01@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,855c54f1803e3ebc613677b4f389c7f92656a1fc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,c386753db52b3a80afa6612bfdcb925aa5ca260f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,50ac3ecd8e05b6bcc350c71a4307d40c030ec7e4)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.13,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.3,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-03-19T08:55:54.867448+00:00", "updated": "2026-05-29T20:00:05.751672+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-119"]}