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Red Hat Security Advisory

RHSA-2026:55765

kernel-rt security, bug fix, and enhancement update

Released 2026-08-17 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 11 records

Priority HIGH 73

In the Linux kernel, the following vulnerability has been resolved: vhost: reset the vring metadata cache on vring reconfiguration vq->meta_iotlb[] caches the vhost_iotlb_map that backs each vring metadata region, and io…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00409 Published 2026-08-21 Partial fix · 5.10.265, 5.15.216 +6
Priority LOW 39

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping.

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.00127 Published 2026-07-19 Partial fix · 6.1.175, 6.6.140 +4 CWE-457
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix potential UAF in TTM object purge TLDR: The bo->ttm object might be changed by calling ttm_bo_validate(), move casting it to an i915_tt ob…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00176 Published 2026-07-19 Partial fix · 6.1.176, 6.6.143 +4 CWE-416
TI-2026-45444 CVE-2026-63879 · GHSA-497j-x834-cghh

drm/amdgpu: fix amdgpu_hmm_range_get_pages

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix amdgpu_hmm_range_get_pages The notifier sequence must only be read once or otherwise we could work with invalid pages.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00142 Published 2026-07-19 Partial fix · 6.6.160, 6.12.114 +3 CWE-362
TI-2026-38103 CVE-2026-53016 · GHSA-4rx4-73jx-c5r8

crypto: ccp - copy IV using skcipher ivsize

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - copy IV using skcipher ivsize AF_ALG rfc3686-ctr-aes-ccp requests pass an 8-byte IV to the driver.

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00141 Published 2026-06-24 Partial fix · 5.10.258, 5.15.209 +6 CWE-805
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set() The kfd_event_page_set() function writes KFD_SIGNAL_EVENT_LIMIT * 8 bytes via memset without…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00139 Published 2026-05-06 Partial fix · 5.10.252, 5.15.202 +6 CWE-787
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: can: bcm: switch timer to HRTIMER_MODE_SOFT and remove hrtimer_tasklet This patch switches the timer to HRTIMER_MODE_SOFT, which executed the timer call…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00165 Published 2026-07-27 Fixed in 4.19.226, 5.4
Priority LOW 33

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Clamp VBIOS HDMI retimer register count to array size [Why & How] The VBIOS integrated info tables (v1_11 and v2_1) contain HdmiRegNum…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00129 Published 2026-06-25 Partial fix · 5.15.210, 6.1.176 +5 CWE-787
Priority LOW 32

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Validate payload length and link_index in dc_process_dmub_aux_transfer_async [Why&How] dc_process_dmub_aux_transfer_async() copies payl…

CVSS 3.1HIGH 7.0 Local Low privileges No interaction EPSS 0.00166 Published 2026-07-24 Partial fix · 5.15.209, 6.1.175 +5 CWE-121
Priority LOW 32

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Use krealloc_array() in dal_vector_reserve() [Why & How] dal_vector_reserve() computes the allocation size as "capacity * vector->struc…

CVSS 3.1HIGH 7.0 Local Low privileges No interaction EPSS 0.00147 Published 2026-07-01 Partial fix · 5.10.260, 5.15.210 +6 CWE-190
Priority LOW 30

In the Linux kernel, the following vulnerability has been resolved: mm/slub: avoid accessing metadata when pointer is invalid in object_err() object_err() reports details of an object for further debugging, such as the f…

CVSS 3.1HIGH 7.1 Local Low privileges No interaction EPSS 0.00167 Published 2025-10-01 Partial fix · 5.4.299, 5.10.243 +6 CWE-476