CVE-2024-26818

{"id": "CVE-2024-26818", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-04-17T10:15:08.757", "references": [{"url": "https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a", "tags": ["Patch"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "[email protected]", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntools/rtla: Fix clang warning about mount_point var size\n\nclang is reporting this warning:\n\n$ make HOSTCC=clang CC=clang LLVM_IAS=1\n[...]\nclang -O -g -DVERSION=\\\"6.8.0-rc3\\\" -flto=auto -fexceptions\n\t-fstack-protector-strong -fasynchronous-unwind-tables\n\t-fstack-clash-protection -Wall -Werror=format-security\n\t-Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS\n\t$(pkg-config --cflags libtracefs) -c -o src/utils.o src/utils.c\n\nsrc/utils.c:548:66: warning: 'fscanf' may overflow; destination buffer in argument 3 has size 1024, but the corresponding specifier may require size 1025 [-Wfortify-source]\n 548 | while (fscanf(fp, \"%*s %\" STR(MAX_PATH) \"s %99s %*s %*d %*d\\n\", mount_point, type) == 2) {\n | ^\n\nIncrease mount_point variable size to MAX_PATH+1 to avoid the overflow."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: herramientas/rtla: Repare la advertencia de clang sobre el tama\u00f1o de var de mount_point clang informa esta advertencia: $ make HOSTCC=clang CC=clang LLVM_IAS=1 [...] clang -O -g -DVERSION=\\\"6.8.0-rc3\\\" -flto=auto -fExceptions -fstack-protector-strong -fasynchronous-unwind-tables -fstack-clash-protection -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE= 2 -Wp,-D_GLIBCXX_ASSERTIONS $(pkg-config --cflags libtracefs) -c -o src/utils.o src/utils.c src/utils.c:548:66: advertencia: 'fscanf' puede desbordarse; el b\u00fafer de destino en el argumento 3 tiene un tama\u00f1o 1024, pero el especificador correspondiente puede requerir un tama\u00f1o 1025 [-Wfortify-source] 548 | while (fscanf(fp, \"%*s %\" STR(MAX_PATH) \"s %99s %*s %*d %*d\\n\", punto_montaje, tipo) == 2) { | ^ Aumente el tama\u00f1o de la variable mount_point a MAX_PATH+1 para evitar el desbordamiento."}], "lastModified": "2025-03-27T21:07:41.817", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "66A88832-B39F-48D0-BFA1-F660E52CE523", "versionEndExcluding": "6.6.18", "versionStartIncluding": "6.5"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6D6A5C8-7308-42A9-8A72-ABF3DEA4BB82", "versionEndExcluding": "6.7.6", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9F4EA73-0894-400F-A490-3A397AB7A517"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "056BD938-0A27-4569-B391-30578B309EE3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F02056A5-B362-4370-9FF8-6F0BD384D520"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.8:rc4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62075ACE-B2A0-4B16-829D-B3DA5AE5CC41"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}