| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery()\n\nWhen two UBLK_CMD_START_USER_RECOVERY commands are submitted, the\nfirst one sets 'ubq->ubq_daemon' to NULL, and the second one triggers\nWARN in ublk_queue_reinit() and subsequently a NULL pointer dereference\nissue.\n\nFix it by adding the check in ublk_ctrl_start_recovery() and return\nimmediately in case of zero 'ub->nr_queues_ready'.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000028\n RIP: 0010:ublk_ctrl_start_recovery.constprop.0+0x82/0x180\n Call Trace:\n <TASK>\n ? __die+0x20/0x70\n ? page_fault_oops+0x75/0x170\n ? exc_page_fault+0x64/0x140\n ? asm_exc_page_fault+0x22/0x30\n ? ublk_ctrl_start_recovery.constprop.0+0x82/0x180\n ublk_ctrl_uring_cmd+0x4f7/0x6c0\n ? pick_next_task_idle+0x26/0x40\n io_uring_cmd+0x9a/0x1b0\n io_issue_sqe+0x193/0x3f0\n io_wq_submit_work+0x9b/0x390\n io_worker_handle_work+0x165/0x360\n io_wq_worker+0xcb/0x2f0\n ? finish_task_switch.isra.0+0x203/0x290\n ? finish_task_switch.isra.0+0x203/0x290\n ? __pfx_io_wq_worker+0x10/0x10\n ret_from_fork+0x2d/0x50\n ? __pfx_io_wq_worker+0x10/0x10\n ret_from_fork_asm+0x1a/0x30\n </TASK>" |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/block/ublk_drv.c" |
| ], |
| "versions": [ |
| { |
| "version": "c732a852b419fa057b53657e2daaf9433940391c", |
| "lessThan": "ca249435893dda766f3845c15ca77ca5672022d8", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c732a852b419fa057b53657e2daaf9433940391c", |
| "lessThan": "136a29d8112df4ea0a57f9602ddf3579e04089dc", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c732a852b419fa057b53657e2daaf9433940391c", |
| "lessThan": "7c890ef60bf417d3fe5c6f7a9f6cef0e1d77f74f", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "c732a852b419fa057b53657e2daaf9433940391c", |
| "lessThan": "e58f5142f88320a5b1449f96a146f2f24615c5c7", |
| "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/block/ublk_drv.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.1", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.1", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.110", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.6.51", |
| "lessThanOrEqual": "6.6.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.10.10", |
| "lessThanOrEqual": "6.10.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.11", |
| "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": "6.1", |
| "versionEndExcluding": "6.1.110" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.6.51" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.10.10" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.1", |
| "versionEndExcluding": "6.11" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/ca249435893dda766f3845c15ca77ca5672022d8" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/136a29d8112df4ea0a57f9602ddf3579e04089dc" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/7c890ef60bf417d3fe5c6f7a9f6cef0e1d77f74f" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e58f5142f88320a5b1449f96a146f2f24615c5c7" |
| } |
| ], |
| "title": "ublk_drv: fix NULL pointer dereference in ublk_ctrl_start_recovery()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2024-46735", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
