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Red Hat Security Advisory

RHSA-2026:49033

kernel security update

Released 2026-07-31 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 5 records

Priority HIGH 73

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GF…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.01368 Published 2026-07-04 Partial fix · 5.15.222, 6.1.177 +5 CWE-416
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle tcf_classify() can return TC_ACT_CONSUMED while the skb is held by the defragmentation e…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00655 Published 2026-07-26 Fixed in 5.15.212, 6.1.178 +6 CWE-416
TI-2025-09419 CVE-2025-10263 · GHSA-x9c8-763w-495x

Race condition in Arm C1-Ultra

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 LOW 39

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp->gfn plus the SPTE index.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00195 Published 2026-05-28 Partial fix · 5.15.222, 6.1.175 +5 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete KASAN reproduces a slab-use-after-free in __xfrm_state_delete()'s hlist_del_rcu calls u…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-05-28 Partial fix · 5.10.261, 5.15.210 +6 CWE-416