CVE-2022-48636
Vulnerability from cvelistv5
Published
2024-04-28 12:59
Modified
2024-11-04 12:13
Severity ?
EPSS score ?
Summary
s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup
References
{ "containers": { "adp": [ { "metrics": [ { "cvssV3_1": { "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" } }, { "other": { "content": { "id": "CVE-2022-48636", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-06-07T17:07:44.029910Z", "version": "2.0.3" }, "type": "ssvc" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2024-10-29T16:01:41.917Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-03T15:17:55.505Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "drivers/s390/block/dasd_alias.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "d86b4267834e", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "49f401a98b31", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "aaba5ff27420", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "2e473351400e", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "f5fcc9d6d71d", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "d3a67c21b18f", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "650a2e79d176", "status": "affected", "version": "8e09f21574ea", "versionType": "git" }, { "lessThan": "db7ba07108a4", "status": "affected", "version": "8e09f21574ea", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "drivers/s390/block/dasd_alias.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "2.6.25" }, { "lessThan": "2.6.25", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.330", "versionType": "semver" }, { "lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.295", "versionType": "semver" }, { "lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.260", "versionType": "semver" }, { "lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.215", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.146", "versionType": "semver" }, { "lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.71", "versionType": "semver" }, { "lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.12", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup\n\nFix Oops in dasd_alias_get_start_dev() function caused by the pavgroup\npointer being NULL.\n\nThe pavgroup pointer is checked on the entrance of the function but\nwithout the lcu-\u003elock being held. Therefore there is a race window\nbetween dasd_alias_get_start_dev() and _lcu_update() which sets\npavgroup to NULL with the lcu-\u003elock held.\n\nFix by checking the pavgroup pointer with lcu-\u003elock held." } ], "providerMetadata": { "dateUpdated": "2024-11-04T12:13:42.457Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70" }, { "url": "https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4" }, { "url": "https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1" }, { "url": "https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1" }, { "url": "https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b" }, { "url": "https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6" }, { "url": "https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac" }, { "url": "https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d" } ], "title": "s390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2022-48636", "datePublished": "2024-04-28T12:59:28.858Z", "dateReserved": "2024-02-25T13:44:28.315Z", "dateUpdated": "2024-11-04T12:13:42.457Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-48636\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-28T13:15:06.710\",\"lastModified\":\"2024-10-29T16:35:05.977\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ns390/dasd: fix Oops in dasd_alias_get_start_dev due to missing pavgroup\\n\\nFix Oops in dasd_alias_get_start_dev() function caused by the pavgroup\\npointer being NULL.\\n\\nThe pavgroup pointer is checked on the entrance of the function but\\nwithout the lcu-\u003elock being held. Therefore there is a race window\\nbetween dasd_alias_get_start_dev() and _lcu_update() which sets\\npavgroup to NULL with the lcu-\u003elock held.\\n\\nFix by checking the pavgroup pointer with lcu-\u003elock held.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: s390/dasd: corrige Ups en dasd_alias_get_start_dev debido a la falta de pavgroup. Corrige Ups en la funci\u00f3n dasd_alias_get_start_dev() causada porque el puntero pavgroup es NULL. El puntero pavgroup se verifica en la entrada de la funci\u00f3n pero sin que se mantenga presionado el bloqueo lcu-\u0026gt;. Por lo tanto, existe una ventana de ejecuci\u00f3n entre dasd_alias_get_start_dev() y _lcu_update() que establece pavgroup en NULL con el bloqueo lcu-\u0026gt;retenido. Para solucionarlo, compruebe el puntero de pavgroup con lcu-\u0026gt;lock retenido.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/2e473351400e3dd66f0b71eddcef82ee45a584c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/49f401a98b318761ca2e15d4c7869a20043fbed4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/650a2e79d176db753654d3dde88e53a2033036ac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aaba5ff2742043705bc4c02fd0b2b246e2e16da1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d3a67c21b18f33c79382084af556557c442f12a6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d86b4267834e6d4af62e3073e48166e349ab1b70\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/db7ba07108a48c0f95b74fabbfd5d63e924f992d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
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- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.