[ALSA-2026:63013] Important: kernel-rt security, bug fix, and enhancement update
Type:
security
Severity:
important
Release date:
2026-09-03
Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. 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 [almalinux-8.10.z] (JIRA:AlmaLinux-193045) * powerpc/pseries: lparcfg - fix kbuf[] underflow (JIRA:AlmaLinux-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.
Updated packages listed below:
Architecture Package Checksum
x86_64 kernel-rt-core-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 17850c0990ffc5f253e21bd810e8d14a23a6af7ed5f2dd05c3cb67692247b523
x86_64 kernel-rt-debug-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 243742c44d65ec7dca7d05bb26bb1a58655ee2faccd5753717e060b0be991311
x86_64 kernel-rt-debug-modules-extra-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 3dd0a16fe1b14d98c9a7bd6518de1ac349d0d7452bd59b62e6cacbcb65a435b4
x86_64 kernel-rt-debug-core-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 554959889e322bb433c3f9b3ff43f8f7d9f8d2940f787ef1009dbf6daba8578b
x86_64 kernel-rt-debug-modules-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 5627ca66dccbc870fef26bbe7b8852104bd6fec0e26ab675894ab7ad6849ab18
x86_64 kernel-rt-debug-devel-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm 9b849ad19363913ac7df4b65c70932109e0359304662c7a652c328133f7cc2e5
x86_64 kernel-rt-modules-extra-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm b45f71dff3c398800b3a55ab4fb304570d3a8dae225042ef6e5b1ddb31ad3c07
x86_64 kernel-rt-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm d060cfd86585b33e155ccae40ba482f755fde524f241392007520718f6241192
x86_64 kernel-rt-devel-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm d517fa42d37a73cda49c554764b84bc97829e0ca5eda66930aad05041ab9483f
x86_64 kernel-rt-modules-4.18.0-553.159.1.rt7.500.el8_10.x86_64.rpm f034451a212f834b2957e01980556099ddc8c2cd2b3d92a242566d1554f99707
Notes:
This page is generated automatically from Red Hat security data and has not been checked for errors. For clarification or corrections please contact the AlmaLinux Packaging Team.