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Red Hat Bugzilla – Attachment 1843583 Details for
Bug 2026563
acpitool segfaults on Get_Kernel_Version
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[patch]
Proposed fix
acpitool-0.5.1-buffer-overflow-fix.patch (text/plain), 838 bytes, created by
Jaroslav Škarvada
on 2021-11-25 13:49:15 UTC
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Description:
Proposed fix
Filename:
MIME Type:
Creator:
Jaroslav Škarvada
Created:
2021-11-25 13:49:15 UTC
Size:
838 bytes
patch
obsolete
>diff --git a/src/acpitool.cpp b/src/acpitool.cpp >index f698733..440cd8e 100644 >--- a/src/acpitool.cpp >+++ b/src/acpitool.cpp >@@ -140,7 +140,7 @@ int Get_Kernel_Version(char *c, int verbose) > { > ifstream file_in; > char const *filename; >- char str[20]; >+ char str[20] = {0}; > > filename = "/proc/sys/kernel/osrelease"; > >@@ -159,7 +159,7 @@ int Get_Kernel_Version(char *c, int verbose) > } > } > >- file_in.getline(str, 16); >+ file_in.getline(str, 15); > file_in.close(); > > strcpy(c, str); >@@ -170,7 +170,7 @@ int Get_Kernel_Version(char *c, int verbose) > > int Do_SysVersion_Info(int verbose) > { >- char Acpi_Version[10], Kernel_Version[15]; >+ char Acpi_Version[10], Kernel_Version[15] = {0}; > > memset(Acpi_Version, '\0', 10); > memset(Kernel_Version, '\0', 15);
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