Red Hat Security AdvisoryRHSA-2026:1727
kernel security update
Released 2026-02-02 · Red Hat rating Important · View on Red Hat →
Fixes 16 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
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: smb: client: let recv_done verify data_offset, data_length and remaining_data_length This is inspired by the related server fixes.
CVSS 3.1CRITICAL 9.4· Network · No auth · No interaction · EPSS 0.00347 · Published 2025-10-04 · Partial fix · 6.1.191, 6.6.160 +3
Priority LOW 36
In the Linux kernel, the following vulnerability has been resolved: mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable().
CVSS 3.1HIGH 8.1· Network · No auth · No interaction · EPSS 0.00514 · Published 2025-11-12 · Fixed in 6.12.55, 6.17.3 +1
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 34
In the Linux kernel, the following vulnerability has been resolved: sctp: avoid NULL dereference when chunk data buffer is missing chunk->skb pointer is dereferenced in the if-block where it's supposed to be NULL only.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00644 · Published 2025-12-04 · Partial fix · 5.4.301, 5.10.246 +6
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: 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/waitid: always prune wait queue entry in io_waitid_wait() For a successful return, always remove our entry from the wait queue entry list.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00163 · Published 2025-10-28 · Partial fix · 6.12.53, 6.17.3 +1
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 33
In the Linux kernel, the following vulnerability has been resolved: erofs: avoid using multiple devices with different type For multiple devices, both primary and extra devices should be the same type.
CVSS 3.1HIGH 7.8· Local · No auth · User interaction · EPSS 0.00178 · Published 2025-07-03 · Fixed in 6.12.34, 6.15.3 +1 CWE-416
Priority LOW 31
In the Linux kernel, the following vulnerability has been resolved: ntb_hw_switchtec: Fix shift-out-of-bounds in switchtec_ntb_mw_set_trans There is a kernel API ntb_mw_clear_trans() would pass 0 to both addr and size.
CVSS 3.1HIGH 7.1· Adjacent network · No auth · No interaction · EPSS 0.00294 · Published 2025-04-16 · Partial fix · 5.4.292, 5.10.236 +7 CWE-125
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