{"id":"CVE-2026-43298","title":"drm/amdgpu: Skip vcn poison irq release on VF","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Skip vcn poison irq release on VF\n\nVF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid\ncall trace during deinitialization.\n\n[   71.9136…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 46d75d23005f87057881c460a94f9357d079087f < 87fc584a72bc47f984600f693501be06548d733e","Linux >= 46d75d23005f87057881c460a94f9357d079087f < 89008271744f13854cb30408cf9aaada313ebb4a","Linux >= 46d75d23005f87057881c460a94f9357d079087f < 8ee9aa80d4f1893a6699d46c403a1731548b544b","Linux >= 46d75d23005f87057881c460a94f9357d079087f < f1db6fc5a834c8ca9485cc0596dd7df8b8619b64","Linux >= 46d75d23005f87057881c460a94f9357d079087f < 8980be03b3f9a4b58197ef95d3b37efa41a25331","Linux 6.5"],"published":"2026-05-08","updated":"2026-10-21","sourceUpdated":"2026-10-21T12:40:30.864Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43298","references":[{"url":"https://git.kernel.org/stable/c/87fc584a72bc47f984600f693501be06548d733e"},{"url":"https://git.kernel.org/stable/c/89008271744f13854cb30408cf9aaada313ebb4a"},{"url":"https://git.kernel.org/stable/c/8ee9aa80d4f1893a6699d46c403a1731548b544b"},{"url":"https://git.kernel.org/stable/c/f1db6fc5a834c8ca9485cc0596dd7df8b8619b64"},{"url":"https://git.kernel.org/stable/c/8980be03b3f9a4b58197ef95d3b37efa41a25331"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.04804,"ingestedAt":"2026-10-21T12:48:53.642Z","slug":"CVE-2026-43298","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdgpu: Skip vcn poison irq release on VF\n\nVF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid\ncall trace during deinitialization.\n\n[   71.913601] [drm] clean up the vf2pf work item\n[   71.915088] ------------[ cut here ]------------\n[   71.915092] WARNING: CPU: 3 PID: 1079 at /tmp/amd.aFkFvSQl/amd/amdgpu/amdgpu_irq.c:641 amdgpu_irq_put+0xc6/0xe0 [amdgpu]\n[   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\n[   71.915484] CPU: 3 PID: 1079 Comm: rmmod Tainted: G           OE      6.8.0-87-generic #88~22.04.1-Ubuntu\n[   71.915489] Hardware name: Red Hat KVM/RHEL, BIOS 1.16.3-2.el9_5.1 04/01/2014\n[   71.915492] RIP: 0010:amdgpu_irq_put+0xc6/0xe0 [amdgpu]\n[   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\n[   71.915771] RSP: 0018:ffffcf0800eafa30 EFLAGS: 00010246\n[   71.915775] RAX: 0000000000000000 RBX: ffff891bda4b0668 RCX: 0000000000000000\n[   71.915777] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000\n[   71.915779] RBP: ffffcf0800eafa50 R08: 0000000000000000 R09: 0000000000000000\n[   71.915781] R10: 0000000000000000 R11: 0000000000000000 R12: ffff891bda480000\n[   71.915782] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000\n[   71.915792] FS:  000070cff87c4c40(0000) GS:ffff893abfb80000(0000) knlGS:0000000000000000\n[   71.915795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[   71.915797] CR2: 00005fa13073e478 CR3: 000000010d634006 CR4: 0000000000770ef0\n[   71.915800] PKRU: 55555554\n[   71.915802] Call Trace:\n[   71.915805]  <TASK>\n[   71.915809]  vcn_v2_5_hw_fini+0x19e/0x1e0 [amdgpu]\n\n## Affected\n\n- `Linux >= 46d75d23005f87057881c460a94f9357d079087f < 87fc584a72bc47f984600f693501be06548d733e`\n- `Linux >= 46d75d23005f87057881c460a94f9357d079087f < 89008271744f13854cb30408cf9aaada313ebb4a`\n- `Linux >= 46d75d23005f87057881c460a94f9357d079087f < 8ee9aa80d4f1893a6699d46c403a1731548b544b`\n- `Linux >= 46d75d23005f87057881c460a94f9357d079087f < f1db6fc5a834c8ca9485cc0596dd7df8b8619b64`\n- `Linux >= 46d75d23005f87057881c460a94f9357d079087f < 8980be03b3f9a4b58197ef95d3b37efa41a25331`\n- `Linux 6.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}