[ALSA-2026:36348] Important: kernel-rt security, bug fix, and enhancement update
Type:
security
Severity:
important
Release date:
2026-07-08
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: tcp: fix potential race in tcp_v6_syn_recv_sock() (CVE-2026-43198) * kernel: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() (CVE-2026-43450) * kernel: sctp: revalidate list cursor after sctp_sendmsg_to_asoc() in SCTP_SENDALL (CVE-2026-46227) * kernel: drm/gem: Fix inconsistent plane dimension calculation in drm_gem_fb_init_with_funcs() (CVE-2026-46209) * kernel: procfs: fix missing RCU protection when reading real_parent in do_task_stat() (CVE-2026-46259) * kernel: Arm Processors: Privilege escalation or information disclosure via writes to higher exception level resources (CVE-2025-10263) Bug Fix(es) and Enhancement(s): * kernel panic at trailing_symlink while the task wdavdaemon runs even after 4c4f7c19b3c7 (JIRA:AlmaLinux-152759) 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-debug-modules-extra-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 2f134eae9050494087c644c3f07549a936da9c714b9370031f02a6aab76762b2
x86_64 kernel-rt-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 3119b777fd40aa308ec5fb1592c092d7f94d209076495a56995a30e4ae1ec96f
x86_64 kernel-rt-debug-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 39cbbf77bda61aaca2cd32fd83c8611490bb0fc4cb8b2f89887379097fd77f66
x86_64 kernel-rt-debug-modules-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 56a8310de82c49732f9d429761e127894737dcfcea335b91c3c04975f7145f62
x86_64 kernel-rt-devel-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 6264a118cbdf55f83eeb7ee2e7292b10c053aa2def7cdde0b078089846a038ac
x86_64 kernel-rt-modules-extra-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 702d447fa1c2b35a286563354edd7d67085af6dabb3b3b58851dbdab7a2907ec
x86_64 kernel-rt-debug-core-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm 9b6990365db0f9fa8e43b19f9801deff65098bc15f0db3a805cf687e9d2ff187
x86_64 kernel-rt-modules-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm be25b1d5af103e8b172770ea95ebfa3115fbca89923ec9f4abe8964537f17595
x86_64 kernel-rt-core-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm ced726a910c09316db64ce52b71da5315712433aa2c491e6d69909f38c025547
x86_64 kernel-rt-debug-devel-4.18.0-553.140.1.rt7.481.el8_10.x86_64.rpm ea77b9b45acd1d5f40335c9d1db1000dd09e631c5fae69ffcbbb9ab56e5c8cf5
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.