RHSA-2026:99148: Important: kernel security, bug fix, and enhancement update
The kernel packages contain the Linux kernel, the core of any Linux operating system.Security Fix(es): kernel: ppp: require CAPNETADMIN in target netns for unattached ioctls (CVE-2026-53075) kernel: Revert "wireguard: device: enable threaded NAPI" (CVE-2026-52945) kernel: Linux kernel: PPP over L2TP Use-After-Free vulnerability (CVE-2026-68398) kernel: net: smc: fix splice entry lifetime imbalance in smcrxsplice (CVE-2026-74631) kernel: net: bridge: mcast: fix use-after-free of a master VLAN's multicast context (CVE-2026-80842) kernel: RDMA/rxe: Fix responder UAF on IBQPMAXDESTRDATOMIC modifyqp (CVE-2026-80864) kernel: RDMA/rxe: Fix OOB in freerdatomicresources() (CVE-2026-80863) kernel: i3c: master: svc: bound IBI payload to the requested maxpayloadlen (CVE-2026-80951) kernel: s390/vfio-ap: Fix missing lock required to access list of apmatrixmdev objects (CVE-2026-89956) kernel: ALSA: seq: midi: Serialize input teardown with eventinput (CVE-2026-90207) kernel: ALSA: pcm: Serialize PCM mmap with buffer reallocation to fix page UAF (CVE-2026-98116) kernel: smb: client: validate absolute native symlink targets before NT fixups (CVE-2026-98318) kernel: kernel: Denial of Service via unvalidated task in iSCSI management responses (CVE-2026-99152) kernel: kernel: Denial of service via unvalidated task tag in iSCSI Reject PDU (CVE-2026-99153) Bug Fix(es) and Enhancement(s): Backport request: bonding: only set speed/duplex to unknown, if getting speed failed [rhel-9.8.z] (JIRA:RHEL-178992) [AMDSERVER 9.8 Feature] Venice: EDAC Updates [rhel-9.8.z] (JIRA:RHEL-216566) Kernel panic after stopping retis capture [rhel-9.8.z] (JIRA:RHEL-275459) Hard lockup experienced with repro from RHEL-282072 [rhel-9.8.z] (JIRA:RHEL-290030) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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redhat/kernelto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8 - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debug-modules-5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-debuginfo-5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernelto a version that resolves this vulnerability.Fixed in 64k-modules-5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-debug-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-debug-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-debuginfo-common-aarch64to a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-headersto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-modulesto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-modules-coreto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-modules-extrato a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-rtto a version that resolves this vulnerability.Fixed in 64k-5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-tools-libsto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/perfto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/python3-perfto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/rtlato a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/rvto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8 - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8 - Upgrade
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redhat/kernel-cross-headersto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Upgrade
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redhat/libperfto a version that resolves this vulnerability.Fixed in 5.14.0-687.67.1.el9_8.aa - Operational
Reboot the system for the kernel update to take effect.