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including patch in-repo as it needs modification to remove the changes to NEWS but fetchpatch doesn't work here
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pkgs/development/libraries/glibc/2.27-CVE-2019-19126.patch
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,18 @@ | ||
Adapted from https://sourceware.org/git/gitweb.cgi?p=glibc.git;a=patch;h=4d5cfeb510125345cb41431afc9022492994cffa, omitting changes to NEWS | ||
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h | ||
index 1943691..ac694c0 100644 | ||
--- a/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h | ||
+++ b/sysdeps/unix/sysv/linux/x86_64/64/dl-librecon.h | ||
@@ -31,7 +31,8 @@ | ||
environment variable, LD_PREFER_MAP_32BIT_EXEC. */ | ||
#define EXTRA_LD_ENVVARS \ | ||
case 21: \ | ||
- if (memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0) \ | ||
+ if (!__libc_enable_secure \ | ||
+ && memcmp (envline, "PREFER_MAP_32BIT_EXEC", 21) == 0) \ | ||
GLRO(dl_x86_cpu_features).feature[index_arch_Prefer_MAP_32BIT_EXEC] \ | ||
|= bit_arch_Prefer_MAP_32BIT_EXEC; \ | ||
break; | ||
-- | ||
2.9.3 | ||
|
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