A log4j security update has been released for CentOS 7.

CESA-2022:0442 Important CentOS 7 log4j Security Update

CentOS Errata and Security Advisory 2022:0442 Important

Upstream details at :   https://access.redhat.com/errata/RHSA-2022:0442

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

x86_64:
1b461b4e217ac5f51d8990aad583c7f189e73fd3220a54053124772b83c42eba log4j-1.2.17-18.el7_4.noarch.rpm
e4950b148639895cb3ed78b8a00c0708abe4685bd380e0003ebeb947ea1edc42 log4j-javadoc-1.2.17-18.el7_4.noarch.rpm
7bbf77456d5e310210c4bd541fee70097c26568f34f44184c878e5874e2b57f1 log4j-manual-1.2.17-18.el7_4.noarch.rpm

Source:
c4224181672eede65a1b3d8f829c9ed475cade9b7234f58c03994f39459ca732 log4j-1.2.17-18.el7_4.src.rpm