{ "dataType": "CVE_RECORD", "cveMetadata": { "cveId": "CVE-2024-26901", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.187Z", "datePublished": "2024-04-17T10:27:50.374Z", "dateUpdated": "2024-08-02T00:21:05.665Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-05-29T05:24:43.920Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndo_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak\n\nsyzbot identified a kernel information leak vulnerability in\ndo_sys_name_to_handle() and issued the following report [1].\n\n[1]\n\"BUG: KMSAN: kernel-infoleak in instrument_copy_to_user include/linux/instrumented.h:114 [inline]\nBUG: KMSAN: kernel-infoleak in _copy_to_user+0xbc/0x100 lib/usercopy.c:40\n instrument_copy_to_user include/linux/instrumented.h:114 [inline]\n _copy_to_user+0xbc/0x100 lib/usercopy.c:40\n copy_to_user include/linux/uaccess.h:191 [inline]\n do_sys_name_to_handle fs/fhandle.c:73 [inline]\n __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]\n __se_sys_name_to_handle_at+0x949/0xb10 fs/fhandle.c:94\n __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94\n ...\n\nUninit was created at:\n slab_post_alloc_hook+0x129/0xa70 mm/slab.h:768\n slab_alloc_node mm/slub.c:3478 [inline]\n __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517\n __do_kmalloc_node mm/slab_common.c:1006 [inline]\n __kmalloc+0x121/0x3c0 mm/slab_common.c:1020\n kmalloc include/linux/slab.h:604 [inline]\n do_sys_name_to_handle fs/fhandle.c:39 [inline]\n __do_sys_name_to_handle_at fs/fhandle.c:112 [inline]\n __se_sys_name_to_handle_at+0x441/0xb10 fs/fhandle.c:94\n __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94\n ...\n\nBytes 18-19 of 20 are uninitialized\nMemory access of size 20 starts at ffff888128a46380\nData copied to user address 0000000020000240\"\n\nPer Chuck Lever's suggestion, use kzalloc() instead of kmalloc() to\nsolve the problem." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/fhandle.c" ], "versions": [ { "version": "990d6c2d7aee", "lessThan": "4bac28f441e3", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "772a7def9868", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "cde76b3af247", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "423b6bdf19bb", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "e6450d5e46a7", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "c1362eae861d", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "cba138f1ef37", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "bf9ec1b24ab4", "status": "affected", "versionType": "git" }, { "version": "990d6c2d7aee", "lessThan": "3948abaa4e2b", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "fs/fhandle.c" ], "versions": [ { "version": "2.6.39", "status": "affected" }, { "version": "0", "lessThan": "2.6.39", "status": "unaffected", "versionType": "custom" }, { "version": "4.19.311", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.4.273", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.214", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.15.153", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.1.83", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.8.2", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "custom" }, { "version": "6.9", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1" }, { "url": "https://git.kernel.org/stable/c/772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b" }, { "url": "https://git.kernel.org/stable/c/cde76b3af247f615447bcfecf610bb76c3529126" }, { "url": "https://git.kernel.org/stable/c/423b6bdf19bbc5e1f7e7461045099917378f7e71" }, { "url": "https://git.kernel.org/stable/c/e6450d5e46a737a008b4885aa223486113bf0ad6" }, { "url": "https://git.kernel.org/stable/c/c1362eae861db28b1608b9dc23e49634fe87b63b" }, { "url": "https://git.kernel.org/stable/c/cba138f1ef37ec6f961baeab62f312dedc7cf730" }, { "url": "https://git.kernel.org/stable/c/bf9ec1b24ab4e94345aa1c60811dd329f069c38b" }, { "url": "https://git.kernel.org/stable/c/3948abaa4e2be938ccdfc289385a27342fb13d43" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html" } ], "title": "do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak", "x_generator": { "engine": "bippy-a5840b7849dd" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-07-16T15:11:22.418196Z", "id": "CVE-2024-26901", "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": "2024-07-16T15:11:33.394Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.665Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/cde76b3af247f615447bcfecf610bb76c3529126", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/423b6bdf19bbc5e1f7e7461045099917378f7e71", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e6450d5e46a737a008b4885aa223486113bf0ad6", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c1362eae861db28b1608b9dc23e49634fe87b63b", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/cba138f1ef37ec6f961baeab62f312dedc7cf730", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bf9ec1b24ab4e94345aa1c60811dd329f069c38b", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/3948abaa4e2be938ccdfc289385a27342fb13d43", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html", "tags": [ "x_transferred" ] }, { "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html", "tags": [ "x_transferred" ] } ] } ] }, "dataVersion": "5.1" }