# CVE-2026-43298: drm/amdgpu: Skip vcn poison irq release on VF

CVE-2026-43298 is fixed in 14 products on 1 platform, first by DEBIAN-CVE-2026-43298, released May 15, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-43298
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0016
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 8, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43298

## Description

In the Linux kernel, the following vulnerability has been resolved:  drm/amdgpu: Skip vcn poison irq release on VF  VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization.  [   71.913601] [drm] clean up the vf2pf work item [   71.915088] ------------[ cut here ]------------ [   71.915092] WARNING: CPU: 3 PID: 1079 at /tmp/amd.aFkFvSQl/amd/amdgpu/amdgpu_irq.c:641 amdgpu_irq_put+0xc6/0xe0 [amdgpu] [   71.915355] Modules linked in: amdgpu(OE-) amddrm_ttm_helper(OE) amdttm(OE) amddrm_buddy(OE) amdxcp(OE) amddrm_exec(OE) amd_sched(OE) amdkcl(OE) drm_suballoc_helper drm_display_helper cec rc_core i2c_algo_bit video wmi binfmt_misc nls_iso8859_1 intel_rapl_msr intel_rapl_common input_leds joydev serio_raw mac_hid qemu_fw_cfg sch_fq_codel dm_multipath scsi_dh_rdac scsi_dh_emc scsi_dh_alua efi_pstore ip_tables x_tables autofs4 btrfs blake2b_generic raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 hid_generic crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic ghash_clmulni_intel usbhid 8139too sha256_ssse3 sha1_ssse3 hid psmouse bochs i2c_i801 ahci drm_vram_helper libahci i2c_smbus lpc_ich drm_ttm_helper 8139cp mii ttm aesni_intel crypto_simd cryptd [   71.915484] CPU: 3 PID: 1079 Comm: rmmod Tainted: G           OE      6.8.0-87-generic #88~22.04.1-Ubuntu [   71.915489] Hardware name: Red Hat KVM/RHEL, BIOS 1.16.3-2.el9_5.1 04/01/2014 [   71.915492] RIP: 0010:amdgpu_irq_put+0xc6/0xe0 [amdgpu] [   71.915768] Code: 75 84 b8 ea ff ff ff eb d4 44 89 ea 48 89 de 4c 89 e7 e8 fd fc ff ff 5b 41 5c 41 5d 41 5e 5d 31 d2 31 f6 31 ff e9 55 30 3b c7 <0f> 0b eb d4 b8 fe ff ff ff eb a8 e9 b7 3b 8a 00 66 2e 0f 1f 84 00 [   71.915771] RSP: 0018:ffffcf0800eafa30 EFLAGS: 00010246 [   71.915775] RAX: 0000000000000000 RBX: ffff891bda4b0668 RCX: 0000000000000000 [   71.915777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [   71.915779] RBP: ffffcf0800eafa50 R08: 0000000000000000 R09: 0000000000000000 [   71.915781] R10: 0000000000000000 R11: 0000000000000000 R12: ffff891bda480000 [   71.915782] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [   71.915792] FS:  000070cff87c4c40(0000) GS:ffff893abfb80000(0000) knlGS:0000000000000000 [   71.915795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [   71.915797] CR2: 00005fa13073e478 CR3: 000000010d634006 CR4: 0000000000770ef0 [   71.915800] PKRU: 55555554 [   71.915802] Call Trace: [   71.915805]  <TASK> [   71.915809]  vcn_v2_5_hw_fini+0x19e/0x1e0 [amdgpu]

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | dtb-aarch64 opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-64kb opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-64kb sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-azure opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-azure sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-default opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-default sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-default-base opensuse-leap 16.0 | 6.12.0-160000.36.1.160000.2.17 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-default-base sles 16.0 | 6.12.0-160000.36.1.160000.2.17 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-docs opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-docs sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-kvmsmall opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-kvmsmall sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-obs-build opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-obs-qa opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-obs-qa sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-rt opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-source opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-source sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-syms opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-syms sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | kernel-zfcpdump opensuse-leap 16.0 | 6.12.0-160000.36.1 | [OPENSUSE-SU-2026:21388-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21388-1.md) | Jul 21, 2026 |
| Linux | kernel-zfcpdump sles 16.0 | 6.12.0-160000.36.1 | [SUSE-SU-2026:22835-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-22835-1.md) | Jul 21, 2026 |
| Linux | linux Debian 13.5 (trixie) | 6.12.115-2 | [DEBIAN-CVE-2026-43298](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43298.md) | May 15, 2026 |
| Linux | linux Debian 14 | 6.19.6-1 | [DEBIAN-CVE-2026-43298](https://patchblox.com/security/data/fix/linux/debian-cve-2026-43298.md) | May 15, 2026 |

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Data as of 2026-11-09T13:31:49Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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