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.
Get an email when Red Hat Linux Kernel publishes the next one.
See Red Hat Linux Kernel's last 90 days of advisories first. Then choose the free weekly digest, or a free month of real-time alerts with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
Android app · Google Play
Monitor Red Hat CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
Source
Red Hat Security Data API
Red Hat Enterprise Linux errata (RHSA) via the official Red Hat Security Data API — CVE severity, CVSS and affected packages. A credential-free official source.
Latest Red Hat Linux Kernel advisories
High [CVE-2026-99148] memory corruption via premature eviction fence detachment
memory corruption via premature eviction fence detachment. Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. 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.
High [CVE-2026-99110] fix heap overflow in cifs_do_set_acl
fix heap overflow in cifs_do_set_acl(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. 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.
High [CVE-2026-99167] fix use-after-free in __tcf_action_put
fix use-after-free in __tcf_action_put(). Red Hat rates this important (CVSS 7.8). Weakness: CWE-825. 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.
High [CVE-2026-99109] reject SetEA requests that do not fit the request buffer
reject SetEA requests that do not fit the request buffer. Red Hat rates this important (CVSS 7.8). Weakness: CWE-787. 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.
High [CVE-2026-99099] Fix AMD TLBI Erratum #1718
Fix AMD TLBI Erratum #1718. Red Hat rates this moderate (CVSS 7). Weakness: CWE-440. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
High [CVE-2026-98974] Unauthorized data modification via improper file size exchange handling
Unauthorized data modification via improper file size exchange handling. Red Hat rates this important (CVSS 7.8). Weakness: CWE-281. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-99064] adjust cached option offsets when removing CIPSO
adjust cached option offsets when removing CIPSO. Red Hat rates this important (CVSS 8.1). Weakness: CWE-787. 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.
High [CVE-2026-99056] make sure __strp_recv isn't running before tearing down the parser
make sure __strp_recv isn't running before tearing down the parser. Red Hat rates this important (CVSS 7.8). Weakness: CWE-366. 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.
High [CVE-2026-98927] Fix life cycle of the nested_mmus array
Fix life cycle of the nested_mmus array. Red Hat rates this important (CVSS 8.8). 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.
High [CVE-2026-98999] Fix stale pinned_link entry when fb-pin performs the final unpin
Fix stale pinned_link entry when fb-pin performs the final unpin. Red Hat rates this important (CVSS 7.8). 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.
High [CVE-2023-7356] Copy BASE if service data matches EIR_BAA_SERVICE_UUID
Copy BASE if service data matches EIR_BAA_SERVICE_UUID. Red Hat rates this important (CVSS 8.8). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-98733] Denial of Service via use-after-free in Bluetooth ISO packet queueing
Denial of Service via use-after-free in Bluetooth ISO packet queueing. Red Hat rates this moderate (CVSS 7). Weakness: CWE-416. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
High [CVE-2026-98466] Transfer the hyp stack pages out of the host stage-2
Transfer the hyp stack pages out of the host stage-2. Red Hat rates this important (CVSS 8.2). Weakness: CWE-653. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-98442] fix helper UAF due to extensions realloc
fix helper UAF due to extensions realloc. Red Hat rates this important (CVSS 7.5). 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-rt.
High [CVE-2026-98447] fix wild memcpy access when formatting ondisk rtrefcount btree roots
fix wild memcpy access when formatting ondisk rtrefcount btree roots. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat package: kernel.
High [CVE-2026-98532] do not let ipv6_find_hdr return an offset past the packet end
do not let ipv6_find_hdr() return an offset past the packet end. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. 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.
High [CVE-2026-98550] reject invalid and unexpected GRP_ACK_MSG to prevent bc_ackers underflow
reject invalid and unexpected GRP_ACK_MSG to prevent bc_ackers underflow. Red Hat rates this important (CVSS 7.5). Weakness: CWE-191. 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.
High [CVE-2026-98573] fix pull-bound underflow in skb_checksum_setup_ipv6
fix pull-bound underflow in skb_checksum_setup_ipv6(). Red Hat rates this important (CVSS 7.5). Weakness: CWE-191. 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.
High [CVE-2026-98548] discard the rest of the packet on a stale-cookie error
discard the rest of the packet on a stale-cookie error. Red Hat rates this important (CVSS 7.5). Weakness: CWE-825. 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.
High [CVE-2026-98590] Fix bpf_sock context code generation
Fix bpf_sock context code generation. Red Hat rates this moderate (CVSS 7.8). Weakness: CWE-20. 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.