cve-2025-37776
Vulnerability from cvelistv5
Published
2025-05-01 13:07
Modified
2025-05-01 13:07
Severity ?
EPSS score ?
Summary
ksmbd: fix use-after-free in smb_break_all_levII_oplock()
References
{ "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "fs/smb/server/oplock.c", "fs/smb/server/oplock.h" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "296cb5457cc6f4a754c4ae29855f8a253d52bcc6", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git" }, { "lessThan": "d54ab1520d43e95f9b2e22d7a05fc9614192e5a5", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git" }, { "lessThan": "d73686367ad68534257cd88a36ca3c52cb8b81d8", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git" }, { "lessThan": "18b4fac5ef17f77fed9417d22210ceafd6525fc7", "status": "affected", "version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "fs/smb/server/oplock.c", "fs/smb/server/oplock.h" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.88", "versionType": "semver" }, { "lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.25", "versionType": "semver" }, { "lessThanOrEqual": "6.14.*", "status": "unaffected", "version": "6.14.4", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.15-rc3", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nksmbd: fix use-after-free in smb_break_all_levII_oplock()\n\nThere is a room in smb_break_all_levII_oplock that can cause racy issues\nwhen unlocking in the middle of the loop. This patch use read lock\nto protect whole loop." } ], "providerMetadata": { "dateUpdated": "2025-05-01T13:07:14.998Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/296cb5457cc6f4a754c4ae29855f8a253d52bcc6" }, { "url": "https://git.kernel.org/stable/c/d54ab1520d43e95f9b2e22d7a05fc9614192e5a5" }, { "url": "https://git.kernel.org/stable/c/d73686367ad68534257cd88a36ca3c52cb8b81d8" }, { "url": "https://git.kernel.org/stable/c/18b4fac5ef17f77fed9417d22210ceafd6525fc7" } ], "title": "ksmbd: fix use-after-free in smb_break_all_levII_oplock()", "x_generator": { "engine": "bippy-1.1.0" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2025-37776", "datePublished": "2025-05-01T13:07:14.998Z", "dateReserved": "2025-04-16T04:51:23.939Z", "dateUpdated": "2025-05-01T13:07:14.998Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2025-37776\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-05-01T14:15:41.373\",\"lastModified\":\"2025-05-02T13:53:20.943\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nksmbd: fix use-after-free in smb_break_all_levII_oplock()\\n\\nThere is a room in smb_break_all_levII_oplock that can cause racy issues\\nwhen unlocking in the middle of the loop. This patch use read lock\\nto protect whole loop.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ksmbd: se corrige el error \\\"use-after-free\\\" en smb_break_all_levII_oplock(). Existe una zona en smb_break_all_levII_oplock que puede causar problemas de velocidad al desbloquear en medio del bucle. Este parche utiliza un bloqueo de lectura para proteger todo el bucle.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/18b4fac5ef17f77fed9417d22210ceafd6525fc7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/296cb5457cc6f4a754c4ae29855f8a253d52bcc6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d54ab1520d43e95f9b2e22d7a05fc9614192e5a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d73686367ad68534257cd88a36ca3c52cb8b81d8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}" } }
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