{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48636","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:44:28.315Z","datePublished":"2024-04-28T12:59:28.858Z","dateUpdated":"2025-05-04T08:20:12.801Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:20:12.801Z"},"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->lock 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->lock held.\n\nFix by checking the pavgroup pointer with lcu->lock held."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/s390/block/dasd_alias.c"],"versions":[{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"d86b4267834e6d4af62e3073e48166e349ab1b70","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"49f401a98b318761ca2e15d4c7869a20043fbed4","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"aaba5ff2742043705bc4c02fd0b2b246e2e16da1","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"2e473351400e3dd66f0b71eddcef82ee45a584c1","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"f5fcc9d6d71d9ff7fdbdd4b89074e6e24fffc20b","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"d3a67c21b18f33c79382084af556557c442f12a6","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"650a2e79d176db753654d3dde88e53a2033036ac","status":"affected","versionType":"git"},{"version":"8e09f21574ea3028d5629e5de759e0b196c690c5","lessThan":"db7ba07108a48c0f95b74fabbfd5d63e924f992d","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/s390/block/dasd_alias.c"],"versions":[{"version":"2.6.25","status":"affected"},{"version":"0","lessThan":"2.6.25","status":"unaffected","versionType":"semver"},{"version":"4.9.330","lessThanOrEqual":"4.9.*","status":"unaffected","versionType":"semver"},{"version":"4.14.295","lessThanOrEqual":"4.14.*","status":"unaffected","versionType":"semver"},{"version":"4.19.260","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.215","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.146","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.71","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.12","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","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":"2.6.25","versionEndExcluding":"4.9.330"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.14.295"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"4.19.260"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.4.215"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.10.146"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.15.71"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.19.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"6.0"}]}]}],"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-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-476","lang":"en","description":"CWE-476 NULL Pointer Dereference"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-06-07T17:07:44.029910Z","id":"CVE-2022-48636","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-29T16:01:41.917Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:17:55.505Z"},"title":"CVE Program Container","references":[{"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","tags":["x_transferred"]}]}]}}