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Test your applicationsUpgrade RHEL:7
kernel-tools-libs-devel
to version 0:3.10.0-327.28.2.el7 or higher.
This issue was patched in RHSA-2016:1539
.
Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel
package and not the kernel-tools-libs-devel
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
The key_reject_and_link function in security/keys/key.c in the Linux kernel through 4.6.3 does not ensure that a certain data structure is initialized, which allows local users to cause a denial of service (system crash) via vectors involving a crafted keyctl request2 command.