Red Hat Security Advisory: kernel security, bug fix, and enhancement update
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488) * kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038) * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop (CVE-2026-46090) * kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054) * kernel: RDMA/iwcm: Fix workqueue list corruption by removing work_list (CVE-2026-45898) * kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189) * kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176) Bug Fix(es) and Enhancement(s): * [RHEL-9.8.z]: Update the mlx5 drivers to v6.19 (JIRA:RHEL-169057) * iavf: during POD churn vlan filters may not be added for a vlan interface, spoofchk drops subsequent packets [rhel-9.8.z] (JIRA:RHEL-172993) * nf_conntrack_sctp: vtag corruption with late INIT in ESTABLISHED state across conntrack zones [rhel-9.8.z] (JIRA:RHEL-178273) * sched/fair: Skip sched_balance_running cmpxchg when balance is not due [rhel-9.8.z] (JIRA:RHEL-182776) * [REGRESSION] ISST-Spyre: Jenkins workload causes soft lock warning to appear on screen. Workload hangs. [rhel-9.8.z] (JIRA:RHEL-183183) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
AI Analysis
Technical Summary
This vulnerability concerns the drm/amd/display subsystem where unrelated mode changes are not properly handled during Display Stream Compression (DSC) validation. This could potentially lead to incorrect validation outcomes. The only explicitly affected version is 3.0. No further technical details or exploitation information is available.
Potential Impact
The impact specifics are not detailed in the provided information. Without CVSS or vendor advisory details, the exact consequences of this vulnerability remain unclear. There are no known exploits in the wild.
Mitigation Recommendations
No patch or remediation information is provided. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance.
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: drm/amd/display: Do not skip unrelated mode changes in DSC validation (CVE-2026-31488) * kernel: ipv6: icmp: clear skb2->cb[] in ip6_err_gen_icmpv6_unreach() (CVE-2026-43038) * kernel: netfilter: flowtable: strictly check for maximum number of actions (CVE-2026-43329) * kernel: ALSA: aloop: Fix peer runtime UAF during format-change stop (CVE-2026-46090) * kernel: selinux: fix overlayfs mmap() and mprotect() access checks (CVE-2026-46054) * kernel: RDMA/iwcm: Fix workqueue list corruption by removing work_list (CVE-2026-45898) * kernel: RDMA/vmw_pvrdma: Fix double free on pvrdma_alloc_ucontext() error path (CVE-2026-46189) * kernel: RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init() (CVE-2026-46176) Bug Fix(es) and Enhancement(s): * [RHEL-9.8.z]: Update the mlx5 drivers to v6.19 (JIRA:RHEL-169057) * iavf: during POD churn vlan filters may not be added for a vlan interface, spoofchk drops subsequent packets [rhel-9.8.z] (JIRA:RHEL-172993) * nf_conntrack_sctp: vtag corruption with late INIT in ESTABLISHED state across conntrack zones [rhel-9.8.z] (JIRA:RHEL-178273) * sched/fair: Skip sched_balance_running cmpxchg when balance is not due [rhel-9.8.z] (JIRA:RHEL-182776) * [REGRESSION] ISST-Spyre: Jenkins workload causes soft lock warning to appear on screen. Workload hangs. [rhel-9.8.z] (JIRA:RHEL-183183) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability concerns the drm/amd/display subsystem where unrelated mode changes are not properly handled during Display Stream Compression (DSC) validation. This could potentially lead to incorrect validation outcomes. The only explicitly affected version is 3.0. No further technical details or exploitation information is available.
Potential Impact
The impact specifics are not detailed in the provided information. Without CVSS or vendor advisory details, the exact consequences of this vulnerability remain unclear. There are no known exploits in the wild.
Mitigation Recommendations
No patch or remediation information is provided. Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-31488
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a3c0d26eed863c81e23ef19
Added to database: 06/24/2026, 17:00:22 UTC
Last enriched: 06/24/2026, 17:20:29 UTC
Last updated: 06/29/2026, 23:46:43 UTC
Views: 21
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