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Red Hat Security Advisory

RHSA-2026:0534

kernel-rt security update

Released 2026-01-14 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 11 records

Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: tls: wait for pending async decryptions if tls_strp_msg_hold fails Async decryption calls tls_strp_msg_hold to create a clone of the input skb to hold r…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00487 Published 2025-11-12 Fixed in 6.1.158, 6.6.114 +3
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: libceph: fix potential use-after-free in have_mon_and_osd_map() The wait loop in __ceph_open_session() can race with the client receiving a new monmap o…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00585 Published 2025-12-16 Partial fix · 5.10.247, 5.15.197 +5
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm() Lei Lu recently reported that nfsd4_setclientid_confirm() did not check the retu…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00406 Published 2025-09-04 Partial fix · 5.4.297, 5.10.241 +7 CWE-416
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_event: Fix UAF in hci_acl_create_conn_sync This fixes the following UFA in hci_acl_create_conn_sync where a connection still pending is c…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00282 Published 2025-10-15 Partial fix · 6.1.155, 6.6.109 +3
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: NFSD: Avoid calling OPDESC() with ops->opnum == OP_ILLEGAL OPDESC() simply indexes into nfsd4_ops[] by the op's operation number, without range checking…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00305 Published 2025-10-07 Partial fix · 5.10.220, 5.15.107 +3 CWE-787
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible desc_ptr out-of-bounds accesses Sanitize possible desc_ptr out-of-bounds accesses in ses_enclosure_data_process().

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.0022 Published 2025-10-07 Partial fix · 4.14.308, 4.19.276 +6 CWE-125
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix race with concurrent opens in rename(2) Besides sending the rename request to the server, the rename process also involves closing any…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00118 Published 2025-09-16 Partial fix · 6.1.150, 6.6.104 +3 CWE-362
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix incomplete state save in rxe_requester If a send packet is dropped by the IP layer in rxe_requester() the call to rxe_xmit_packet() can fa…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00169 Published 2025-10-04 Partial fix · 6.1.53, 6.4.16 +2
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: can: j1939: implement NETDEV_UNREGISTER notification handler syzbot is reporting unregister_netdevice: waiting for vcan0 to become free.

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.0015 Published 2025-10-01 Partial fix · 5.15.220, 6.1.187 +4
Priority LOW 24

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Fix crash on hci_create_cis_sync When attempting to connect multiple ISO sockets without using DEFER_SETUP may result in the follow…

CVSS 3.1MEDIUM 5.5 Local Low privileges No interaction EPSS 0.00164 Published 2025-10-01 Partial fix · 6.0.16, 6.1.2 +1 CWE-476