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

EPSS 0.02% · P4
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I. Basic Information for CVE-2026-43298

Vulnerability Information
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Vulnerability Title
drm/amdgpu: Skip vcn poison irq release on VF
Source: NVD (National Vulnerability Database)
Vulnerability 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]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于VF未启用VCNv2.5的VCN poison中断，但释放时仍尝试操作，可能导致调用跟踪。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 46d75d23005f87057881c460a94f9357d079087f ~ 8ee9aa80d4f1893a6699d46c403a1731548b544b -
LinuxLinux 6.5 -

II. Public POCs for CVE-2026-43298

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III. Intelligence Information for CVE-2026-43298

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Same Patch Batch · Linux · 2026-05-08 · 199 CVEs total

CVE-2026-433049.8 CRITICALlibceph: define and enforce CEPH_MAX_KEY_LEN
CVE-2026-433419.8 CRITICALnet/ipv6: ioam6: prevent schema length wraparound in trace fill
CVE-2026-433769.8 CRITICALksmbd: fix use-after-free by using call_rcu() for oplock_info
CVE-2026-433799.8 CRITICALksmbd: fix use-after-free in smb_lazy_parent_lease_break_close()
CVE-2026-433849.8 CRITICALnet/tcp-ao: Fix MAC comparison to be constant-time
CVE-2026-434659.8 CRITICALnet/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ
CVE-2026-434029.8 CRITICALkthread: consolidate kthread exit paths to prevent use-after-free
CVE-2026-434149.8 CRITICALscsi: qla2xxx: Completely fix fcport double free
CVE-2026-433839.4 CRITICALnet/tcp-md5: Fix MAC comparison to be constant-time
CVE-2026-434069.1 CRITICALlibceph: prevent potential out-of-bounds reads in process_message_header()
CVE-2026-434079.1 CRITICALlibceph: Fix potential out-of-bounds access in ceph_handle_auth_reply()
CVE-2026-432848.8 HIGHxfrm: esp: avoid in-place decrypt on shared skb frags
CVE-2026-433228.8 HIGHBluetooth: hci_sync: Fix UAF in le_read_features_complete
CVE-2026-433348.8 HIGHBluetooth: SMP: force responder MITM requirements before building the pairing response
CVE-2026-433918.8 HIGHnsfs: tighten permission checks for handle opening
CVE-2026-434038.8 HIGHnsfs: tighten permission checks for ns iteration ioctls
CVE-2026-432918.3 HIGHnet: nfc: nci: Fix parameter validation for packet data
CVE-2026-434668.2 HIGHnet/mlx5e: Fix DMA FIFO desync on error CQE SQ recovery
CVE-2026-434528.2 HIGHnetfilter: x_tables: guard option walkers against 1-byte tail reads
CVE-2026-433658.2 HIGHxfs: fix undersized l_iclog_roundoff values

Showing top 20 of 199 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43298

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