Red Hat Linux Linux Kernel Vulnerabilities & Security Advisories
3505 advisories tracked · Red Hat Security Data API · 1 listed in the CISA Known Exploited Vulnerabilities catalog
Every row below is a published Red Hat Linux advisory that VulniPulse classified as Linux Kernel, with the CVEs, affected and fixed releases and exploitation status the vendor stated. Severity mix: 1 critical, 1031 high, 2355 medium, 116 low.
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Latest Red Hat Linux Kernel advisories
Medium [CVE-2026-98497] fix swapped IPv6 IPsec policy masks
fix swapped IPv6 IPsec policy masks. Red Hat rates this moderate (CVSS 5.6). Weakness: CWE-1025. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel.
Medium [CVE-2026-98488] fix soft lockup on out-of-range hw_next_to_clean read
fix soft lockup on out-of-range hw_next_to_clean read. Red Hat rates this moderate (CVSS 4.1). Weakness: CWE-835. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98494] fix soft lockup on out-of-range cmb_tpd_next_to_clean read
fix soft lockup on out-of-range cmb_tpd_next_to_clean read. Red Hat rates this moderate (CVSS 4.1). Weakness: CWE-835. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98601] validate device-supplied DMA indices
validate device-supplied DMA indices. Red Hat rates this moderate (CVSS 6.2). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-98602] fix out-of-bounds reads on short RX/TX frames and control fallthrough
fix out-of-bounds reads on short RX/TX frames and control fallthrough. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98611] Check params size before reading reserved fields
Check params size before reading reserved fields. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-98613] Bound ownership depth through local kptrs and graph roots
Bound ownership depth through local kptrs and graph roots. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-770. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-98612] bound the RX packet length in catc_rx_done
bound the RX packet length in catc_rx_done(). Red Hat rates this moderate (CVSS 6.8). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98610] bound the classify inner-filter walk with a drift budget
bound the classify inner-filter walk with a drift budget. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-835. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98634] Reject disks with too many zones
Reject disks with too many zones. Red Hat rates this moderate (CVSS 6.2). Weakness: CWE-681. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98622] don't WARN on benign flow_offload_alloc failure
don't WARN on benign flow_offload_alloc() failure. Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-617. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-98635] Fix zones_cond out-of-bounds write on zone report
Fix zones_cond out-of-bounds write on zone report. Red Hat rates this moderate (CVSS 6.2). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
Medium [CVE-2026-98636] Add dictionary size range check to prevent shift-out-of-bounds
Add dictionary size range check to prevent shift-out-of-bounds. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-1335. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98640] Validate PCI BAR size before mapping
Validate PCI BAR size before mapping. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-98625] publish HW_DEAD after worker is done
publish HW_DEAD after worker is done. Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-98647] Fix divide-by-zero in btf_struct_walk
Fix divide-by-zero in btf_struct_walk(). Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-369. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
Medium [CVE-2026-98624] hold nfnl mutex in event notifier
hold nfnl mutex in event notifier. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-366. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
Medium [CVE-2026-98632] Dequeue pending mesh_send_sync entries on cancel
Dequeue pending mesh_send_sync entries on cancel. Red Hat rates this moderate (CVSS 4.1). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-98648] Prevent potential out-of-bounds read
Prevent potential out-of-bounds read. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel.
Medium [CVE-2026-98631] Use a 32-bit compare in xsk_map_gen_lookup
Use a 32-bit compare in xsk_map_gen_lookup. Red Hat rates this moderate (CVSS 4.4). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.