cve-2024-26818
Vulnerability from cvelistv5
Published
2024-04-17 09:43
Modified
2024-11-05 09:16
Severity ?
Summary
tools/rtla: Fix clang warning about mount_point var size
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26818\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T10:15:08.757\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"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: \u0027fscanf\u0027 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: \u0027fscanf\u0027 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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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