GHSA-3264-P6RP-PXP7
Vulnerability from github – Published: 2024-04-17 12:32 – Updated: 2025-03-27 21:31In 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 $(pkg-config --cflags libtracefs) -c -o src/utils.o src/utils.c
src/utils.c:548:66: warning: 'fscanf' may overflow; destination buffer in argument 3 has size 1024, but the corresponding specifier may require size 1025 [-Wfortify-source] 548 | while (fscanf(fp, "%s %" STR(MAX_PATH) "s %99s %s %d %d\n", mount_point, type) == 2) { | ^
Increase mount_point variable size to MAX_PATH+1 to avoid the overflow.
{
"affected": [],
"aliases": [
"CVE-2024-26818"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-04-17T10:15:08Z",
"severity": "MODERATE"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntools/rtla: Fix clang warning about mount_point var size\n\nclang is reporting this warning:\n\n$ 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.",
"id": "GHSA-3264-p6rp-pxp7",
"modified": "2025-03-27T21:31:08Z",
"published": "2024-04-17T12:32:02Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-26818"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/30369084ac6e27479a347899e74f523e6ca29b89"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6bdd43f62ab3bb5a306af7f0ab857af45777f5a8"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/8a585914c266dc044f53b5c83c170f79b45fcf9a"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
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