fkie_cve-2024-26818
Vulnerability from fkie_nvd
Published
2024-04-17 10:15
Modified
2024-11-21 09:03
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: tools/rtla: Fix clang warning about mount_point var size clang is reporting this warning: $ 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: warning: 'fscanf' may overflow; destination buffer in argument 3 has size 1024, but the corresponding specifier may require size 1025 [-Wfortify-source] 548 | while (fscanf(fp, "%*s %" STR(MAX_PATH) "s %99s %*s %*d %*d\n", mount_point, type) == 2) { | ^ Increase mount_point variable size to MAX_PATH+1 to avoid the overflow.
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
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "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."
    }
  ],
  "id": "CVE-2024-26818",
  "lastModified": "2024-11-21T09:03:08.703",
  "metrics": {},
  "published": "2024-04-17T10:15:08.757",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "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": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Awaiting Analysis"
}


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