Read the docs
Red Hat Security Advisory

RHSA-2026:1661

kernel-rt security update

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

Fixed in

Fixes 10 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
TI-2025-26941 CVE-2025-40271 · GHSA-r37x-wmxh-7hvh

fs/proc: fix uaf in proc_readdir_de()

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in proc_readdir_de() Pde is erased from subdir rbtree through rb_erase(), but not set the node to EMPTY, which may result in uaf access…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00488 Published 2025-12-06 Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: atm: clip: Fix infinite recursive call of clip_push().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00205 Published 2025-07-25 Partial fix · 5.4.296, 5.10.240 +6 CWE-674
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix slab-use-after-free Read in rxe_queue_cleanup bug Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x7d/0xa0 li…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00229 Published 2025-06-18 Partial fix · 5.4.294, 5.10.238 +6 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 34

In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix sdma.h tx->num_descs off-by-one error Unfortunately the commit `fd8958efe877` introduced another error causing the `descs` array to overflo…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00268 Published 2024-04-03 Fixed in 4.19.308, 5.4.270 +7 CWE-193
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: Squashfs: check return result of sb_min_blocksize Syzkaller reports an "UBSAN: shift-out-of-bounds in squashfs_bio_read" bug.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00225 Published 2025-07-25 Partial fix · 5.4.295, 5.10.239 +6 CWE-787
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: tcp: fix a signed-integer-overflow bug in tcp_add_backlog() The type of sk_rcvbuf and sk_sndbuf in struct sock is int, and in tcp_add_backlog(), the var…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00528 Published 2025-12-30 Partial fix · 5.4.278, 5.10.153 +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 30

In the Linux kernel, the following vulnerability has been resolved: usb: core: config: Prevent OOB read in SS endpoint companion parsing usb_parse_ss_endpoint_companion() checks descriptor type before length, enabling a…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00179 Published 2025-09-11 Partial fix · 5.10.241, 5.15.190 +6 CWE-125