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Red Hat Security Advisory

RHSA-2026:72467

kernel-rt security update

Released 2026-09-28 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 13 records

Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: libceph: bound pg_{temp,upmap,upmap_items} length to CEPH_PG_MAX_SIZE __decode_pg_temp() decodes an user-controlled length but only rejects values large…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00745 Published 2026-08-10 Partial fix · 5.10.266, 5.15.217 +6 CWE-121
Priority MEDIUM 50

In the Linux kernel, the following vulnerability has been resolved: libceph: refresh auth->authorizer_buf{,_len} after authorizer update ceph_x_create_authorizer() caches au->buf->vec.iov_base and au->buf->vec.iov_len in…

CVSS 3.1CRITICAL 9.8 Network No auth No interaction EPSS 0.00694 Published 2026-08-10 Partial fix · 3.5, 3.10 +8 CWE-416
Priority MEDIUM 41

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TOCTOU double-fetch of hwc_msg_id from DMA buffer In mana_hwc_rx_event_handler(), resp->response.hwc_msg_id is read from DMA-coherent mem…

CVSS 3.1CRITICAL 9.3 Local No auth No interaction EPSS 0.00115 Published 2026-07-19 Partial fix · 5.15.209, 6.1.175 +5 CWE-367
Priority MEDIUM 40

In the Linux kernel, the following vulnerability has been resolved: libceph: Reject monmaps advertising zero monitors A message of type CEPH_MSG_MON_MAP contains a monmap that is sent from a monitor to the client.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.00696 Published 2026-08-10 Partial fix · 5.10.271, 5.15.216 +6 CWE-20
TI-2026-52535 CVE-2026-74753 · GHSA-4mpw-g9mg-jrm7

perf: Reject exited events as group leaders

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perf_event_remove_on_exec() sets remove-on-exec events to the EXIT state and detaches their group relationsh…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00129 Published 2026-08-26 Partial fix · 6.2, 6.6.156 +3
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix context pstate override handling There are several problems in the context pstate handling code.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00132 Published 2026-08-10 Partial fix · 6.1, 6.1.191 +5 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during remove_on_exec perf_event_remove_on_exec() removes events by calling perf_event_exit_event().

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00162 Published 2026-07-29 Partial fix · 6.1.191, 6.6.145 +4 CWE-662
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: arm64: tlb: Flush walk cache when unsharing PMD tables When huge_pmd_unshare() is called to unshare a PMD table, the tlb_unshare_pmd_ptdesc() function s…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00176 Published 2026-07-19 Partial fix · 5.10.259, 5.15.210 +6 CWE-459
TI-2026-33667 CVE-2026-45942 · GHSA-w5q7-xvcj-p6c8

ext4: fix e4b bitmap inconsistency reports

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00127 Published 2026-05-27 Partial fix · 6.1.191, 6.6.130 +4 CWE-362
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: fbcon: Set fb_display[i]->mode to NULL when the mode is released Recently, we discovered the following issue through syzkaller: BUG: KASAN: slab-use-aft…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.0014 Published 2025-12-08 Partial fix · 5.15.203, 6.1.159 +4
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn3: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00123 Published 2026-05-28 Partial fix · 5.15.209, 6.1.175 +5 CWE-125
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing IB Rewrite the IB parsing to use amdgpu_ib_get_value() which handles the bounds checks.

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00132 Published 2026-05-28 Partial fix · 6.1.191, 6.6.140 +4 CWE-125
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: Prevent OOB reads when parsing dec msg Check bounds against the end of the BO whenever we access the msg.

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00132 Published 2026-05-28 Partial fix · 6.1.175, 6.6.140 +4 CWE-125