{ "id": "CVE-2023-52448", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "published": "2024-02-22T17:15:08.630", "lastModified": "2024-11-21T08:39:47.410", "vulnStatus": "Modified", "cveTags": [], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Fix kernel NULL pointer dereference in gfs2_rgrp_dump\n\nSyzkaller has reported a NULL pointer dereference when accessing\nrgd->rd_rgl in gfs2_rgrp_dump(). This can happen when creating\nrgd->rd_gl fails in read_rindex_entry(). Add a NULL pointer check in\ngfs2_rgrp_dump() to prevent that." }, { "lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: gfs2: Se corrigi\u00f3 la desreferencia del puntero NULL del kernel en gfs2_rgrp_dump Syzkaller ha informado una desreferencia del puntero NULL al acceder a rgd->rd_rgl en gfs2_rgrp_dump(). Esto puede suceder cuando la creaci\u00f3n de rgd->rd_gl falla en read_rindex_entry(). Agregue una verificaci\u00f3n de puntero NULL en gfs2_rgrp_dump() para evitarlo." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-476" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.20", "versionEndExcluding": "5.4.268", "matchCriteriaId": "991BF737-6083-429B-ACD5-FB27D4143E2F" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.5.0", "versionEndExcluding": "5.10.209", "matchCriteriaId": "5D2E4F24-2FBB-4434-8598-2B1499E566B5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.0", "versionEndExcluding": "5.15.148", "matchCriteriaId": "E25E1389-4B0F-407A-9C94-5908FF3EE88B" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16.0", "versionEndExcluding": "6.1.75", "matchCriteriaId": "2C4951FA-80C0-4B4C-9836-6E5035DEB0F9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.0", "versionEndExcluding": "6.6.14", "matchCriteriaId": "BDBBEB0E-D13A-4567-8984-51C5375350B9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.0", "versionEndExcluding": "6.7.2", "matchCriteriaId": "0EA3778C-730B-464C-8023-18CA6AC0B807" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ee0586d73cbaf0e7058bc640d62a9daf2dfa9178", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/efc8ef87ab9185a23d5676f2f7d986022d91bcde", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/067a7c48c2c70f05f9460d6f0e8423e234729f05", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/5c28478af371a1c3fdb570ca67f110e1ae60fc37", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/8877243beafa7c6bfc42022cbfdf9e39b25bd4fa", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/c323efd620c741168c8e0cc6fc0be04ab57e331a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/d69d7804cf9e2ba171a27e5f98bc266f13d0414a", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/ee0586d73cbaf0e7058bc640d62a9daf2dfa9178", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://git.kernel.org/stable/c/efc8ef87ab9185a23d5676f2f7d986022d91bcde", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html", "source": "af854a3a-2127-422b-91ae-364da2661108" } ] }