{"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":"2025-05-04T08:59:15.310Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:59:15.310Z"},"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":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"cde76b3af247f615447bcfecf610bb76c3529126","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"423b6bdf19bbc5e1f7e7461045099917378f7e71","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"e6450d5e46a737a008b4885aa223486113bf0ad6","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"c1362eae861db28b1608b9dc23e49634fe87b63b","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"cba138f1ef37ec6f961baeab62f312dedc7cf730","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"bf9ec1b24ab4e94345aa1c60811dd329f069c38b","status":"affected","versionType":"git"},{"version":"990d6c2d7aee921e3bce22b2d6a750fd552262be","lessThan":"3948abaa4e2be938ccdfc289385a27342fb13d43","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":"semver"},{"version":"4.19.311","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.273","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.214","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.153","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.83","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.23","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.11","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8.2","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","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":"2.6.39","versionEndExcluding":"4.19.311"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.4.273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.10.214"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"5.15.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.1.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.6.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.7.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.8.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.39","versionEndExcluding":"6.9"}]}]}],"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"}],"title":"do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.3,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"LOW","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"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":"2024-11-07T19:03:33.420Z"}},{"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"}