Red Hat Security AdvisoryRHSA-2026:49031
kernel security, bug fix, and enhancement update
Released 2026-07-31 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat CodeReady Linux Builder EUS (v.9.6) kernel-tools-libs-devel-5.14.0-570.131.1.el9_6, libperf-5.14.0-570.131.1.el9_6
- Red Hat Enterprise Linux AppStream EUS (v.9.6) kernel-64k-debug-devel-5.14.0-570.131.1.el9_6, kernel-64k-debug-devel-matched-5.14.0-570.131.1.el9_6, kernel-64k-devel-5.14.0-570.131.1.el9_6 +12
- Red Hat Enterprise Linux BaseOS EUS (v.9.6) kernel-5.14.0-570.131.1.el9_6, kernel-64k-5.14.0-570.131.1.el9_6, kernel-64k-core-5.14.0-570.131.1.el9_6 +28
- Red Hat Enterprise Linux Real Time EUS (v.9.6) kernel-rt-5.14.0-570.131.1.el9_6, kernel-rt-64k-5.14.0-570.131.1.el9_6, kernel-rt-64k-core-5.14.0-570.131.1.el9_6 +21
- Red Hat Enterprise Linux Real Time for NFV EUS (v.9.6) kernel-rt-5.14.0-570.131.1.el9_6, kernel-rt-core-5.14.0-570.131.1.el9_6, kernel-rt-debug-5.14.0-570.131.1.el9_6 +11
Fixes 5 records
Priority MEDIUM 48
Arm C1-Ultra, C1-Premium, Neoverse V3 & V3AE, Neoverse V2, Neoverse V1, Neoverse-N2, Neoverse-N1, Cortex-X925, Cortex-X4, Cortex-X3, Cortex-X2, Cortex-X1 & X1C, Cortex-A710, Cortex-A78, A78AE & A78C, Cortex-A77, Cortex-A…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00544 · Published 2026-06-09 · Partial fix CWE-362
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Check for invalid/obsolete root *after* making MMU pages available Check for a "stale" page fault, i.e.
CVSS 3.1HIGH 8.8· Local · Low privileges · No interaction · EPSS 0.00273 · Published 2026-08-04 · Partial fix · 5.15.218, 6.1.183 +5 CWE-362
Priority LOW 39
In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Hide shadow VMCS right after VMCLEAR free_nested() frees the shadow VMCS while vmcs01 still points to it.
CVSS 3.1HIGH 8.8· Local · Low privileges · No interaction · EPSS 0.00162 · Published 2026-08-04 · Fixed in 5.10.265, 5.15.216 +6 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ipc: limit next_id allocation to the valid ID range The checkpoint/restore sysctl path can request the next SysV IPC id through ids->next_id.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00215 · Published 2026-06-24 · Partial fix · 5.10.259, 5.15.210 +6 CWE-20
Priority LOW 34
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O,…
CVSS 3.1HIGH 7.9· Local · Low privileges · No interaction · EPSS 0.0017 · Published 2025-10-28 · Partial fix · 5.4.301, 5.10.246 +7