VDB

RHSA-2026:87822

RHSA-2026:87822 PUBLISHED CVSS 8.800000190734863 HIGH

A flaw was found in the Linux kernel. A local attacker or untrusted guest virtual machine can exploit this vulnerability by transmitting network packets containing malformed checksum metadata into the IPv4 networking subsystem. This failure to validate checksum metadata can corrupt memory during packet handling, potentially leading to arbitrary code execution on the host, a system crash resulting in Denial of Service (DoS), or information disclosure of sensitive memory.

Risk Scores

CVSS 3.1
8.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected Products

VendorProductVersions
Red Hatkernel-rt-kvm-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-modules-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debuginfo-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-0:5.14.0-284.199.1.rt14.484.el9_2.src as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debuginfo-common-x86_64-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-modules-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-modules-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-0:5.14.0-284.199.1.rt14.484.el9_2.src as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-devel-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-modules-extra-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-modules-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-debuginfo-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debuginfo-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-modules-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2
Red Hatkernel-rt-debug-core-0:5.14.0-284.199.1.rt14.484.el9_2.x86_64 as a component of Red Hat Enterprise Linux Real Time for NFV E4S (v.9.2)0:5.14.0-284.199.1.rt14.484.el9_2

…and 14 more

Timeline

  • Oct 22, 2026 CVE Published
  • Oct 22, 2026 CVE Updated
  • Oct 22, 2026 Distribution Patch
  • Oct 22, 2026 Distribution Patch
  • Oct 22, 2026 Security Advisory
  • Oct 22, 2026 Security Advisory

References

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