{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-48986", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-22T01:27:53.634Z", "datePublished": "2024-10-21T20:06:02.502Z", "dateUpdated": "2026-05-23T15:21:16.864Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:21:16.864Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/gup: fix gup_pud_range() for dax\n\nFor dax pud, pud_huge() returns true on x86. So the function works as long\nas hugetlb is configured. However, dax doesn't depend on hugetlb.\nCommit 414fd080d125 (\"mm/gup: fix gup_pmd_range() for dax\") fixed\ndevmap-backed huge PMDs, but missed devmap-backed huge PUDs. Fix this as\nwell.\n\nThis fixes the below kernel panic:\n\ngeneral protection fault, probably for non-canonical address 0x69e7c000cc478: 0000 [#1] SMP\n\t< snip >\nCall Trace:\n\nget_user_pages_fast+0x1f/0x40\niov_iter_get_pages+0xc6/0x3b0\n? mempool_alloc+0x5d/0x170\nbio_iov_iter_get_pages+0x82/0x4e0\n? bvec_alloc+0x91/0xc0\n? bio_alloc_bioset+0x19a/0x2a0\nblkdev_direct_IO+0x282/0x480\n? __io_complete_rw_common+0xc0/0xc0\n? filemap_range_has_page+0x82/0xc0\ngeneric_file_direct_write+0x9d/0x1a0\n? inode_update_time+0x24/0x30\n__generic_file_write_iter+0xbd/0x1e0\nblkdev_write_iter+0xb4/0x150\n? io_import_iovec+0x8d/0x340\nio_write+0xf9/0x300\nio_issue_sqe+0x3c3/0x1d30\n? sysvec_reschedule_ipi+0x6c/0x80\n__io_queue_sqe+0x33/0x240\n? fget+0x76/0xa0\nio_submit_sqes+0xe6a/0x18d0\n? __fget_light+0xd1/0x100\n__x64_sys_io_uring_enter+0x199/0x880\n? __context_tracking_enter+0x1f/0x70\n? irqentry_exit_to_user_mode+0x24/0x30\n? irqentry_exit+0x1d/0x30\n? __context_tracking_exit+0xe/0x70\ndo_syscall_64+0x3b/0x90\nentry_SYSCALL_64_after_hwframe+0x61/0xcb\nRIP: 0033:0x7fc97c11a7be\n\t< snip >\n\n---[ end trace 48b2e0e67debcaeb ]---\nRIP: 0010:internal_get_user_pages_fast+0x340/0x990\n\t< snip >\nKernel panic - not syncing: Fatal exception\nKernel Offset: disabled" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "mm/gup.c" ], "versions": [ { "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7", "lessThan": "04edfa3dc06ecfc6133a33bc7271298782dee875", "status": "affected", "versionType": "git" }, { "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7", "lessThan": "f1cf856123ceb766c49967ec79b841030fa1741f", "status": "affected", "versionType": "git" }, { "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7", "lessThan": "3ac29732a2ffa64c7de13a072b0f2848b9c11037", "status": "affected", "versionType": "git" }, { "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7", "lessThan": "e06d13c36ded750c72521b600293befebb4e56c5", "status": "affected", "versionType": "git" }, { "version": "414fd080d125408cb15d04ff4907e1dd8145c8c7", "lessThan": "fcd0ccd836ffad73d98a66f6fea7b16f735ea920", "status": "affected", "versionType": "git" }, { "version": "c133d8eb894cb280f331608c6f1962ba9fbfe6b0", "status": "affected", "versionType": "git" }, { "version": "538162d21ac877b060dc057c89f13718f5caffc5", "status": "affected", "versionType": "git" }, { "version": "8b1a7762e0dac5db42a003009fdcb425f10baa07", "status": "affected", "versionType": "git" }, { "version": "4.9.165", "lessThan": "4.10", "status": "affected", "versionType": "semver" }, { "version": "4.14.108", "lessThan": "4.15", "status": "affected", "versionType": "semver" }, { "version": "4.19.31", "lessThan": "4.20", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "mm/gup.c" ], "versions": [ { "version": "5.0", "status": "affected" }, { "version": "0", "lessThan": "5.0", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.227", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.159", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.83", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.0.13", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1", "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": "5.0", "versionEndExcluding": "5.4.227" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.10.159" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "5.15.83" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.0.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndExcluding": "6.1" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.9.165" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.14.108" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19.31" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/04edfa3dc06ecfc6133a33bc7271298782dee875" }, { "url": "https://git.kernel.org/stable/c/f1cf856123ceb766c49967ec79b841030fa1741f" }, { "url": "https://git.kernel.org/stable/c/3ac29732a2ffa64c7de13a072b0f2848b9c11037" }, { "url": "https://git.kernel.org/stable/c/e06d13c36ded750c72521b600293befebb4e56c5" }, { "url": "https://git.kernel.org/stable/c/fcd0ccd836ffad73d98a66f6fea7b16f735ea920" } ], "title": "mm/gup: fix gup_pud_range() for dax", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2022-48986", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-10-22T13:17:13.077740Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T13:18:42.957Z" } } ] } }