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Red Hat Security Advisory

RHSA-2026:2560

kernel security update

Released 2026-02-11 · Red Hat rating Moderate · View on Red Hat →

Fixed in

Fixes 9 records

Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race condition in mptcp_schedule_work() syzbot reported use-after-free in mptcp_schedule_work() [1] Issue here is that mptcp_schedule_work()…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00498 Published 2025-12-04 Partial fix · 5.10.247, 5.15.197 +5
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: call disconnect callback before deleting conn In hci_cs_disconnect, we do hci_conn_del even if disconnection failed.

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0025 Published 2025-10-07 Partial fix · 5.15.200, 6.1.42 +2 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix use-after-free in cifs_fill_dirent There is a race condition in the readdir concurrency process, which may access the rsp buffer after…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00218 Published 2025-06-18 Partial fix · 2.6.28, 5.4.294 +7 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Fix "KASAN: slab-use-after-free Read in ib_register_device" problem Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x11…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00199 Published 2025-06-18 Partial fix · 5.10.248, 5.5 +6 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: fbdev: Add bounds checking in bit_putcs to fix vmalloc-out-of-bounds Add bounds checking to prevent writes past framebuffer boundaries when rendering te…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00144 Published 2025-12-08 Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: devlink: rate: Unset parent pointer in devl_rate_nodes_destroy The function devl_rate_nodes_destroy is documented to "Unset parent for all rate objects"…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00166 Published 2025-12-04 Partial fix · 6.1.164, 6.6.118 +3 CWE-476
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix potential double free in drm_sched_job_add_resv_dependencies When adding dependencies with drm_sched_job_add_dependency(), that function…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00154 Published 2025-10-30 Partial fix · 6.1.158, 6.6.114 +3
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: fbdev: bitblit: bound-check glyph index in bit_putcs* bit_putcs_aligned()/unaligned() derived the glyph pointer from the character value masked by 0xff/…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00143 Published 2025-12-08 Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix NULL ptr deref by checking new_crtc_state intel_atomic_get_new_crtc_state can return NULL, unless crtc state wasn't obtained previously wi…

CVSS — EPSS 0.00242 Published 2025-12-09 Partial fix · 6.1.30, 6.3.4 +1