RLSA-2026:63014

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RLSA-2026:63014

Summary: Important: kernel security, bug fix, and enhancement update

Details: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: s390/cpum_sf: Handle CPU hotplug remove during sampling (CVE-2024-57849) * kernel: smc91x: fix broken irq-context in PREEMPT_RT (CVE-2025-71132) * kernel: bonding: alb: fix UAF in rlb_arp_recv during bond up/down (CVE-2026-45970) * kernel: zram: fix use-after-free in zram_bvec_write_partial() (CVE-2026-53185) * kernel: pNFS: Fix use-after-free in pnfs_update_layout() (CVE-2026-63800) * kernel: nfsd: fix posix_acl leak on SETACL decode failure (CVE-2026-53397) * kernel: nfsd: release layout stid on setlease failure (CVE-2026-53399) * kernel: NFSv4/flexfiles: reject zero filehandle version count (CVE-2026-53392) * kernel: NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr (CVE-2026-53391) * kernel: net: mana: validate rx_req_idx to prevent out-of-bounds array access (CVE-2026-64018) * kernel: Kernel: Remote out-of-bounds write in RDMA/siw (CVE-2026-64268) * kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC (CVE-2026-64298) * kernel: AMD-SN-7061: Safe RET Interrupt Vulnerability (CVE-2026-68480) * kernel: net: ipv6: use-after-free in fib6_rule_suppress due to stale res->rt6 pointer (CVE-2026-74581) Bug Fix(es) and Enhancement(s): * qede: build_skb failure causes off-by-one BD ring corruption and kernel panic [rhel-8.10.z] (JIRA:Rocky Linux-193045) * powerpc/pseries: lparcfg - fix kbuf[] underflow (JIRA:Rocky Linux-240144) 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.

References: https://errata.rockylinux.org/RLSA-2026:63014, https://bugzilla.redhat.com/show_bug.cgi?id=2337144, https://bugzilla.redhat.com/show_bug.cgi?id=2429603, https://bugzilla.redhat.com/show_bug.cgi?id=2482006, https://bugzilla.redhat.com/show_bug.cgi?id=2492735, https://bugzilla.redhat.com/show_bug.cgi?id=2502219, https://bugzilla.redhat.com/show_bug.cgi?id=2502227, https://bugzilla.redhat.com/show_bug.cgi?id=2502239, https://bugzilla.redhat.com/show_bug.cgi?id=2502240, https://bugzilla.redhat.com/show_bug.cgi?id=2502260, https://bugzilla.redhat.com/show_bug.cgi?id=2502421, https://bugzilla.redhat.com/show_bug.cgi?id=2507089, https://bugzilla.redhat.com/show_bug.cgi?id=2507208, https://bugzilla.redhat.com/show_bug.cgi?id=2508363, https://bugzilla.redhat.com/show_bug.cgi?id=2520980, https://access.redhat.com/errata/RHSA-2026:63014