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Test your applicationsUpgrade RHEL:7
kernel
to version 0:3.10.0-514.el7 or higher.
This issue was patched in RHSA-2016:2574
.
Note: Versions mentioned in the description apply only to the upstream kernel
package and not the kernel
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
The asn1_ber_decoder function in lib/asn1_decoder.c in the Linux kernel before 4.3 allows attackers to cause a denial of service (panic) via an ASN.1 BER file that lacks a public key, leading to mishandling by the public_key_verify_signature function in crypto/asymmetric_keys/public_key.c.