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Red Hat Security Advisory

RHSA-2026:1690

kernel security update

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

Fixed in

Fixes 19 records

Priority MEDIUM 48

In the Linux kernel, the following vulnerability has been resolved: net: atlantic: fix fragment overflow handling in RX path The atlantic driver can receive packets with more than MAX_SKB_FRAGS (17) fragments when handli…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00467 Published 2025-12-16 Partial fix · 5.10.247, 5.15.197 +6
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_sync: fix race in hci_cmd_sync_dequeue_once hci_cmd_sync_dequeue_once() does lookup and then cancel the entry under two separate lock sec…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0027 Published 2025-12-08 Partial fix · 6.1.159, 6.6.117 +4
TI-2025-26840 CVE-2025-40170 · GHSA-3vr4-gx8q-4fgg

net: use dst_dev_rcu() in sk_setup_caps()

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: net: use dst_dev_rcu() in sk_setup_caps() Use RCU to protect accesses to dst->dev from sk_setup_caps() and sk_dst_gso_max_size().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00193 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
TI-2025-26828 CVE-2025-40158 · GHSA-4g43-pmw7-v27w

ipv6: use RCU in ip6_output()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_output() Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.00555 Published 2025-11-12 Partial fix · 6.1.191, 6.6.160 +3
TI-2025-26806 CVE-2025-40135 · GHSA-q28q-889g-6rx2

ipv6: use RCU in ip6_xmit()

Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

CVSS 3.1HIGH 8.1 Network No auth No interaction EPSS 0.0071 Published 2025-11-12 Partial fix · 5.15.224, 6.1.167 +4
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
TI-2025-26066 CVE-2025-38731 · GHSA-5hc5-4v2f-5h8m

drm/xe: Fix vm_bind_ioctl double free bug

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix vm_bind_ioctl double free bug If the argument check during an array bind fails, the bind_ops are freed twice as seen below.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00158 Published 2025-09-05 Fixed in 6.16.4, 6.17 CWE-415
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net/sched: mqprio: fix stack out-of-bounds write in tc entry parsing TCA_MQPRIO_TC_ENTRY_INDEX is validated using NLA_POLICY_MAX(NLA_U32, TC_QOPT_MAX_QU…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00176 Published 2025-08-19 Partial fix · 6.6.102, 6.12.42 +3 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: eventpoll: don't decrement ep refcount while still holding the ep mutex Jann Horn points out that epoll is decrementing the ep refcount and then doing a…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00184 Published 2025-07-18 Partial fix · 5.15.222, 6.1.178 +4 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 35

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v2m: Prevent use after free of gicv2m_get_fwnode() With ACPI in place, gicv2m_get_fwnode() is registered with the pci subsystem as pci_msi_g…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00225 Published 2025-05-08 Partial fix · 5.4.294, 5.10.238 +6 CWE-416
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: validate skb length for unknown CC opcode In hci_cmd_complete_evt(), if the command complete event has an unknown opcode, we assum…

CVSS 3.1HIGH 7.6 Adjacent network No auth No interaction EPSS 0.00271 Published 2025-12-08 Fixed in 6.1.159, 6.6.117 +3
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: vsock: Ignore signal/timeout on connect() if already established During connect(), acting on a signal/timeout by disconnecting an already established so…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00168 Published 2025-12-04 Partial fix · 5.4.302, 5.10.247 +6
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: io_uring/msg_ring: ensure io_kiocb freeing is deferred for RCU syzbot reports that defer/local task_work adding via msg_ring can hit a request that has…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00187 Published 2025-07-25 Fixed in 6.12.46, 6.15.7 +1
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5640: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver only shows an…

CVSS — EPSS 0.00211 Published 2025-11-12 Partial fix · 5.4.301, 5.10.246 +6
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sock: Prevent race in socket write iter and sock bind There is a potential race condition between sock bind and socket write iter.

CVSS — EPSS 0.00187 Published 2025-12-16 Partial fix · 6.6.119, 6.12.61 +3
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Fix OOB access in parse_adv_monitor_pattern() In the parse_adv_monitor_pattern() function, the value of the 'length' variable is curren…

CVSS — EPSS 0.00201 Published 2025-12-08 Partial fix · 6.1.159, 6.6.117 +3