Red Hat Security Advisory

RHSA-2026:90933

kernel security update

Released 2026-10-27 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux Server -EXTENSION(v. 6 ELS-EXTENSION) kernel-2.6.32-754.66.1.el6, kernel-abi-whitelists-2.6.32-754.66.1.el6, kernel-debug-2.6.32-754.66.1.el6 +7
Red Hat Enterprise Linux Server Optional -EXTENSION (v. 6 ELS -EXTENSION) python-perf-2.6.32-754.66.1.el6

Fixes 1 record

TI-2026-74757 CVE-2026-99999

Linux kernel IPv4 checksum handling can corrupt network headers

MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt…

CVSS 3.1CRITICAL 9.3 Local No auth No interaction EPSS 0.00788 Published 2026-10-15 Partial fix · 5.10.272, 5.15.223 +6 CWE-20