cve-2024-26901
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-08-02 00:21
Severity
Summary
do_sys_name_to_handle(): use kzalloc() to fix kernel-infoleak
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3948abaa4e2be938ccdfc289385a27342fb13d43Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/423b6bdf19bbc5e1f7e7461045099917378f7e71Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/772a7def9868091da3bcb0d6c6ff9f0c03d7fa8bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf9ec1b24ab4e94345aa1c60811dd329f069c38bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c1362eae861db28b1608b9dc23e49634fe87b63bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cba138f1ef37ec6f961baeab62f312dedc7cf730Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cde76b3af247f615447bcfecf610bb76c3529126Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e6450d5e46a737a008b4885aa223486113bf0ad6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26901\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:10.960\",\"lastModified\":\"2024-06-27T12:15:22.490\",\"vulnStatus\":\"Modified\",\"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\u0027s suggestion, use kzalloc() instead of kmalloc() to\\nsolve the problem.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: do_sys_name_to_handle(): use kzalloc() para reparar kernel-infoleak syzbot identific\u00f3 una vulnerabilidad de fuga de informaci\u00f3n del kernel en do_sys_name_to_handle() y emiti\u00f3 el siguiente informe [1]. [1] \\\"ERROR: KMSAN: kernel-infoleak en instrument_copy_to_user include/linux/instrumented.h:114 [en l\u00ednea] ERROR: KMSAN: kernel-infoleak en _copy_to_user+0xbc/0x100 lib/usercopy.c:40 instrument_copy_to_user include/linux/ instrumented.h:114 [en l\u00ednea] _copy_to_user+0xbc/0x100 lib/usercopy.c:40 copy_to_user include/linux/uaccess.h:191 [en l\u00ednea] do_sys_name_to_handle fs/fhandle.c:73 [en l\u00ednea] __do_sys_name_to_handle_at fs/fhandle.c :112 [en l\u00ednea] __se_sys_name_to_handle_at+0x949/0xb10 fs/fhandle.c:94 __x64_sys_name_to_handle_at+0xe4/0x140 fs/fhandle.c:94 ... Uninit se cre\u00f3 en: slab_post_alloc_hook+0x129/0xa70 mm/slab.h: 768 losa_alloc_nodo mm/slub.c:3478 [en l\u00ednea] __kmem_cache_alloc_node+0x5c9/0x970 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [en l\u00ednea] __kmalloc+0x121/0x3c0 mm/slab_common.c:1020 kmalloc include/linux/ slab.h:604 [en l\u00ednea] do_sys_name_to_handle fs/fhandle.c:39 [en l\u00ednea] __do_sys_name_to_handle_at fs/fhandle.c:112 [en l\u00ednea] __se_sys_name_to_handle_at+0x441/0xb10 fs/fhandle.c:94 _handle_at+0xe4/0x140 fs/fhandle .c:94 ... Los bytes 18-19 de 20 no est\u00e1n inicializados El acceso a la memoria de tama\u00f1o 20 comienza en ffff888128a46380 Datos copiados a la direcci\u00f3n de usuario 0000000020000240\\\" Seg\u00fan la sugerencia de Chuck Lever, use kzalloc() en lugar de kmalloc() para resolver el problema.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-908\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.39\",\"versionEndExcluding\":\"4.19.311\",\"matchCriteriaId\":\"EF384CB9-6B24-4BE3-B7D3-651AED136CE9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.20\",\"versionEndExcluding\":\"5.4.273\",\"matchCriteriaId\":\"620FD8B7-BF03-43E0-951A-0A58461D4C55\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.214\",\"matchCriteriaId\":\"65987874-467B-4D3B-91D6-68A129B34FB8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.153\",\"matchCriteriaId\":\"ACB69438-845D-4E3C-B114-3140611F9C0B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.83\",\"matchCriteriaId\":\"121A07F6-F505-4C47-86BF-9BB6CC7B6C19\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.23\",\"matchCriteriaId\":\"E00814DC-0BA7-431A-9926-80FEB4A96C68\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.7.11\",\"matchCriteriaId\":\"9B95D3A6-E162-47D5-ABFC-F3FA74FA7CFD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8\",\"versionEndExcluding\":\"6.8.2\",\"matchCriteriaId\":\"543A75FF-25B8-4046-A514-1EA8EDD87AB1\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3948abaa4e2be938ccdfc289385a27342fb13d43\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/423b6bdf19bbc5e1f7e7461045099917378f7e71\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4bac28f441e3cc9d3f1a84c8d023228a68d8a7c1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/772a7def9868091da3bcb0d6c6ff9f0c03d7fa8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/bf9ec1b24ab4e94345aa1c60811dd329f069c38b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c1362eae861db28b1608b9dc23e49634fe87b63b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cba138f1ef37ec6f961baeab62f312dedc7cf730\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cde76b3af247f615447bcfecf610bb76c3529126\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/e6450d5e46a737a008b4885aa223486113bf0ad6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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