{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-48881", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-01-09T09:50:31.739Z", "datePublished": "2025-01-11T12:25:18.614Z", "dateUpdated": "2025-01-20T06:19:14.763Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-01-20T06:19:14.763Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: revert replacing IS_ERR_OR_NULL with IS_ERR again\n\nCommit 028ddcac477b (\"bcache: Remove unnecessary NULL point check in\nnode allocations\") leads a NULL pointer deference in cache_set_flush().\n\n1721 if (!IS_ERR_OR_NULL(c->root))\n1722 list_add(&c->root->list, &c->btree_cache);\n\n>From the above code in cache_set_flush(), if previous registration code\nfails before allocating c->root, it is possible c->root is NULL as what\nit is initialized. __bch_btree_node_alloc() never returns NULL but\nc->root is possible to be NULL at above line 1721.\n\nThis patch replaces IS_ERR() by IS_ERR_OR_NULL() to fix this."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/bcache/super.c"], "versions": [{"version": "0729029e647234fa1a94376b6edffec5c2cd75f6", "lessThan": "4379c5828492a4c2a651c8f826a01453bd2b80b0", "status": "affected", "versionType": "git"}, {"version": "db9439cef0b5efccf8021fe89f4953e0f901e85b", "lessThan": "336e30f32ae7c043fde0f6fa21586ff30bea9fe2", "status": "affected", "versionType": "git"}, {"version": "991e9c186a8ac6ab272a86e0ddc6f9733c38b867", "lessThan": "fb5fee35bdd18316a84b5f30881a24e1415e1464", "status": "affected", "versionType": "git"}, {"version": "68118c339c6e1e16ae017bef160dbe28a27ae9c8", "lessThan": "5202391970ffbf81975251b3526b890ba027b715", "status": "affected", "versionType": "git"}, {"version": "028ddcac477b691dd9205c92f991cc15259d033e", "lessThan": "cc05aa2c0117e20fa25a3c0d915f98b8f2e78667", "status": "affected", "versionType": "git"}, {"version": "028ddcac477b691dd9205c92f991cc15259d033e", "lessThan": "5e0e913624bcd24f3de414475018d3023f060ee1", "status": "affected", "versionType": "git"}, {"version": "028ddcac477b691dd9205c92f991cc15259d033e", "lessThan": "b2e382ae12a63560fca35050498e19e760adf8c0", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/bcache/super.c"], "versions": [{"version": "6.5", "status": "affected"}, {"version": "0", "lessThan": "6.5", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.287", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.231", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.174", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.120", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.66", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.5", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/4379c5828492a4c2a651c8f826a01453bd2b80b0"}, {"url": "https://git.kernel.org/stable/c/336e30f32ae7c043fde0f6fa21586ff30bea9fe2"}, {"url": "https://git.kernel.org/stable/c/fb5fee35bdd18316a84b5f30881a24e1415e1464"}, {"url": "https://git.kernel.org/stable/c/5202391970ffbf81975251b3526b890ba027b715"}, {"url": "https://git.kernel.org/stable/c/cc05aa2c0117e20fa25a3c0d915f98b8f2e78667"}, {"url": "https://git.kernel.org/stable/c/5e0e913624bcd24f3de414475018d3023f060ee1"}, {"url": "https://git.kernel.org/stable/c/b2e382ae12a63560fca35050498e19e760adf8c0"}], "title": "bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again", "x_generator": {"engine": "bippy-5f407fcff5a0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "562E7628-8B2C-4374-AD43-F402A8609611", "versionEndExcluding": "4.20", "versionStartIncluding": "4.19.291", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "83AA4770-AF17-46A7-A43C-5B45757A7299", "versionEndExcluding": "5.4.287", "versionStartIncluding": "5.4.251", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C6692BFB-2276-4A4B-A8EE-0162FF831E91", "versionEndExcluding": "5.10.231", "versionStartIncluding": "5.10.188", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "91EF4E8C-8E07-49AC-B2B1-1C4D11DA11FE", "versionEndExcluding": "5.15.174", "versionStartIncluding": "5.15.121", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0B5D3825-64F7-4C30-BE1D-7CA92485F8A8", "versionEndExcluding": "6.1.120", "versionStartIncluding": "6.1.39", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0387259A-7982-4C8B-BB1D-5873FAB1DF5B", "versionEndExcluding": "6.6.66", "versionStartIncluding": "6.4.4", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "9501D045-7A94-42CA-8B03-821BE94A65B7", "versionEndExcluding": "6.12.5", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*", "matchCriteriaId": "62567B3C-6CEE-46D0-BC2E-B3717FBF7D13", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: revert replacing IS_ERR_OR_NULL with IS_ERR again\n\nCommit 028ddcac477b (\"bcache: Remove unnecessary NULL point check in\nnode allocations\") leads a NULL pointer deference in cache_set_flush().\n\n1721 if (!IS_ERR_OR_NULL(c->root))\n1722 list_add(&c->root->list, &c->btree_cache);\n\n>From the above code in cache_set_flush(), if previous registration code\nfails before allocating c->root, it is possible c->root is NULL as what\nit is initialized. __bch_btree_node_alloc() never returns NULL but\nc->root is possible to be NULL at above line 1721.\n\nThis patch replaces IS_ERR() by IS_ERR_OR_NULL() to fix this."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bcache: revertir el reemplazo de IS_ERR_OR_NULL con IS_ERR nuevamente. El commit 028ddcac477b (\"bcache: eliminar la comprobaci\u00f3n innecesaria del punto NULL en las asignaciones de nodos\") conduce a una deferencia de puntero NULL en cache_set_flush(). 1721 if (!IS_ERR_OR_NULL(c->root)) 1722 list_add(&c->root->list, &c->btree_cache); >Del c\u00f3digo anterior en cache_set_flush(), si el c\u00f3digo de registro anterior falla antes de asignar c->root, es posible que c->root sea NULL como lo que se inicializa. __bch_btree_node_alloc() nunca devuelve NULL, pero es posible que c->root sea NULL en la l\u00ednea 1721 anterior. Este parche reemplaza IS_ERR() por IS_ERR_OR_NULL() para solucionar esto."}], "id": "CVE-2024-48881", "lastModified": "2025-01-31T15:54:29.633", "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": "2025-01-11T13:15:23.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/336e30f32ae7c043fde0f6fa21586ff30bea9fe2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4379c5828492a4c2a651c8f826a01453bd2b80b0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5202391970ffbf81975251b3526b890ba027b715"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5e0e913624bcd24f3de414475018d3023f060ee1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b2e382ae12a63560fca35050498e19e760adf8c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/cc05aa2c0117e20fa25a3c0d915f98b8f2e78667"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fb5fee35bdd18316a84b5f30881a24e1415e1464"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bcache: revert replacing IS_ERR_OR_NULL with IS_ERR again", "id": "2337120", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2337120"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbcache: revert replacing IS_ERR_OR_NULL with IS_ERR again\nCommit 028ddcac477b (\"bcache: Remove unnecessary NULL point check in\nnode allocations\") leads a NULL pointer deference in cache_set_flush().\n1721 if (!IS_ERR_OR_NULL(c->root))\n1722 list_add(&c->root->list, &c->btree_cache);\n>From the above code in cache_set_flush(), if previous registration code\nfails before allocating c->root, it is possible c->root is NULL as what\nit is initialized. __bch_btree_node_alloc() never returns NULL but\nc->root is possible to be NULL at above line 1721.\nThis patch replaces IS_ERR() by IS_ERR_OR_NULL() to fix this."], "name": "CVE-2024-48881", "package_state": [{"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": "2025-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-48881\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-48881\nhttps://lore.kernel.org/linux-cve-announce/2025011121-CVE-2024-48881-c4e5@gregkh/T"], "threat_severity": "Moderate"}