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Red Hat Security Advisory

RHSA-2026:70403

kernel-rt security, bug fix, and enhancement update

Released 2026-09-22 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 20 records

Priority CRITICAL 93KEV

In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Disallow concurrent writes in af_alg_sendmsg Issuing two writes to the same af_alg socket is bogus as the data will be interleaved in a…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.01607 Published 2025-10-13 Fixed in 5.10.245, 5.15.194 +5 CWE-362
Priority MEDIUM 49

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: check INIT_FAILED before nvmet_req_uninit in digest error path In nvmet_tcp_try_recv_ddgst(), when a data digest mismatch is detected, nvmet_…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00323 Published 2026-07-27 Partial fix · 5.10.261, 5.12 +6 CWE-667
Priority MEDIUM 46

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least header_size(pkt) b…

CVSS 3.1CRITICAL 9.1 Network No auth No interaction EPSS 0.00514 Published 2026-05-27 Partial fix · 5.10.258, 5.15.209 +6 CWE-190
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix possible crash on l2cap_ecred_conn_rsp If dcid is received for an already-assigned destination CID the spec requires that both cha…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00274 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-667
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HIDP: fix missing length checks in hidp_input_report() hidp_input_report() reads keyboard and mouse payload data from an skb without first ve…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00347 Published 2026-07-19 Partial fix · 5.15.210, 6.1.176 +5 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject unknown opcodes before ICRC processing Even after applying commit 7244491dab34 ("RDMA/rxe: Validate pad and ICRC before payload_size()…

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00574 Published 2026-05-28 Partial fix · 5.10.258, 5.15.209 +6 CWE-125
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SMP: force responder MITM requirements before building the pairing response smp_cmd_pairing_req() currently builds the pairing response from…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00278 Published 2026-05-08 Partial fix · 5.10.253, 5.15.203 +6 CWE-863
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.003 Published 2025-12-30 Partial fix · 4.14.308, 4.19.276 +6
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix race condition in hidp_session_thread There is a potential race condition in hidp_session_thread that may lead to use-after-free.

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00313 Published 2025-12-24 Partial fix · 4.14.313, 4.19.281 +6
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clone_alias() to use the original device's devid Currently clone_alias() assumes first argument (pdev) is always the original device poin…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.0013 Published 2026-06-24 Partial fix · 5.5, 6.1.191 +5 CWE-681
TI-2026-38005 CVE-2026-52918 · GHSA-rf7j-4mgx-52c3

Bluetooth: serialize accept_q access

Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize accept_q access bt_sock_poll() walks the accept queue without synchronization, while child teardown can unlink the same socket and…

CVSS 3.1HIGH 8.8 Adjacent network No auth No interaction EPSS 0.00218 Published 2026-06-24 Partial fix · 5.10.259, 5.15.210 +6 CWE-362
Priority LOW 36

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: hold listener socket in rfcomm_connect_ind() rfcomm_get_sock_by_channel() scans rfcomm_sk_list under the list lock, but returns the s…

CVSS 3.1HIGH 8.0 Adjacent network Low privileges No interaction EPSS 0.00264 Published 2026-06-25 Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix a use-after-free problem in rxe_mmap rxe_mmap() removes a rxe_mmap_info struct from the pending_mmaps list and releases pending_lock while…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00168 Published 2026-08-05 Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: keys: Pin request_key_auth payload in instantiate paths A: request_key() B: KEYCTL_INSTANTIATE_IOV ================ ========================= create aut…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00161 Published 2026-07-19 Partial fix · 5.10.260, 5.15.211 +6 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: validate skb length in MCC handlers The RFCOMM MCC handlers cast skb->data to protocol-specific structs without validating skb->len f…

CVSS 3.1HIGH 8.1 Adjacent network No auth No interaction EPSS 0.00275 Published 2026-06-25 Partial fix · 5.15.210, 6.1.176 +5 CWE-125
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidate_mapping operation is called simultaneousl…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00097 Published 2026-06-24 Partial fix · 5.10.258, 5.15.209 +6 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down PASID entry The Intel VT-d Scalable Mode PASID table entry consists of 512 bits (64 bytes).

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00131 Published 2026-05-27 Partial fix · 6.1.191, 6.6.160 +4 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: revert use of devm_kzalloc in btusb This reverts commit 98921dbd00c4e ("Bluetooth: Use devm_kzalloc in btusb.c file").

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00145 Published 2026-01-13 Partial fix · 5.15.198, 6.1.160 +4 CWE-416
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix MCIA register buffer overflow on 32 dword reads The MCIA register can return up to 32 dwords (128 bytes) when the device advertises the mc…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00139 Published 2026-08-10 Partial fix · 6.1.191, 6.6.160 +4 CWE-122
Priority LOW 22

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix session UAF in set_termios rfcomm_tty_set_termios() tests dlc->session without rfcomm_mutex and later passes the pointer to rfcom…

CVSS — EPSS 0.00216 Published 2026-08-10 Partial fix · 5.10.265, 5.15.216 +6