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Start learningUpgrade RHEL:8
glibc-langpack-csb
to version 0:2.28-101.el8 or higher.
This issue was patched in RHSA-2020:1828
.
Note: Versions mentioned in the description apply only to the upstream glibc-langpack-csb
package and not the glibc-langpack-csb
package as distributed by RHEL
.
See How to fix?
for RHEL:8
relevant fixed versions and status.
On the x86-64 architecture, the GNU C Library (aka glibc) before 2.31 fails to ignore the LD_PREFER_MAP_32BIT_EXEC environment variable during program execution after a security transition, allowing local attackers to restrict the possible mapping addresses for loaded libraries and thus bypass ASLR for a setuid program.