A systemd bugfix update has been released for CentOS 7.

CentOS-announce: CEBA-2020:2659 CentOS 7 systemd BugFix Update

CentOS Errata and Bugfix Advisory 2020:2659

Upstream details at :   https://access.redhat.com/errata/RHBA-2020:2659

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
308539b57a0114a416b08951260b3004a47eea3f0428a9f7e7facf056b58fd53 libgudev1-219-73.el7_8.8.i686.rpm
32ddfd836f86b19e1d7aaa1d4c3a9ce5febefde1fc3d97d333290de0da348c36 libgudev1-219-73.el7_8.8.x86_64.rpm
963ef1a3d5e79721a0e098a83becbe088b1fc3a651b677ba3132cef1fe0d94f9 libgudev1-devel-219-73.el7_8.8.i686.rpm
10206d79be9585d77ec804594b0b9b7ee1a98c88e6ccc9cdbb97f77b3e28b12a libgudev1-devel-219-73.el7_8.8.x86_64.rpm
86125d34008aa7e84ef19e51da544bbad7a1b76660fe24e5563fe5dc3069dff1 systemd-219-73.el7_8.8.x86_64.rpm
a371370c6fdaee61698cf6414e70496ff41cca58847d27a25de9864859ae9685 systemd-devel-219-73.el7_8.8.i686.rpm
7034ef244407efdc1c17a14363e50eaa9c589c84bbf886139b9fad7e7a6922d0 systemd-devel-219-73.el7_8.8.x86_64.rpm
4b420cdb7274ca935f3d283d5808d55c20396930a0765f6d938cf811dc2ba909 systemd-journal-gateway-219-73.el7_8.8.x86_64.rpm
f7940bca479a5a6710d95dcd9e2f5d688caabc3046f9db25dbd56b16fda54d46 systemd-libs-219-73.el7_8.8.i686.rpm
ac9cbb53bbc1915e7c6b2d8a08db6e87e2104bb4f2b708d9590ea6430872b9b6 systemd-libs-219-73.el7_8.8.x86_64.rpm
95feec5d6656b6eaf7802c9ee7be76e019588e7e453b88925738fa2339f5a892 systemd-networkd-219-73.el7_8.8.x86_64.rpm
5119f092a7841e1ffdffdaffcdc8c33c888df2cef7dab0ef3dc9da9c13b9dd34 systemd-python-219-73.el7_8.8.x86_64.rpm
9f5887416fd66523d3961064be9b692b5084d028f1bfde7d28ff55dc9a0bad53 systemd-resolved-219-73.el7_8.8.i686.rpm
f66fbfc873e73ba8a9679658bff997c549b9bdb807d798f57856a45eee7199cf systemd-resolved-219-73.el7_8.8.x86_64.rpm
08ae1f4a8af88f1d744999d2c11c6aebff0125abbaf899e7e1067241c3756373 systemd-sysv-219-73.el7_8.8.x86_64.rpm

Source:
5f51c2e9b139106137743c153bc1820ec88963eb5f638e4424c109da6465f320 systemd-219-73.el7_8.8.src.rpm