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CVE-2026-43446— accel/amdxdna: Fix runtime suspend deadlock when there is pending job

AI Predicted 5.5 Difficulty: Moderate EPSS 0.09% · P1

Possible ATT&CK Techniques 1AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 6

VendorProductVersion RangeStatus
LinuxLinux063db451832b8849faf1b0b8404b3a6a39995b29< ac72e7385a2c7533dd766de4197134d96230be85affected
063db451832b8849faf1b0b8404b3a6a39995b29< 6b13cb8f48a42ddf6dd98865b673a82e37ff238baffected
6.19affected
< 6.19unaffected
6.19.9≤ 6.19.*unaffected
7.0≤ *unaffected
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I. Basic Information for CVE-2026-43446

Vulnerability Information
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Vulnerability Title
accel/amdxdna: Fix runtime suspend deadlock when there is pending job
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Fix runtime suspend deadlock when there is pending job The runtime suspend callback drains the running job workqueue before suspending the device. If a job is still executing and calls pm_runtime_resume_and_get(), it can deadlock with the runtime suspend path. Fix this by moving pm_runtime_resume_and_get() from the job execution routine to the job submission routine, ensuring the device is resumed before the job is queued and avoiding the deadlock during runtime suspend.
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accel amdxdna中运行时挂起与待处理作业的死锁问题，可能导致系统死锁。
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 063db451832b8849faf1b0b8404b3a6a39995b29 ~ ac72e7385a2c7533dd766de4197134d96230be85 -
LinuxLinux 6.19 -

II. Public POCs for CVE-2026-43446

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III. Intelligence Information for CVE-2026-43446

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Patches & Fixes for CVE-2026-43446 (2)

Same Patch Batch · Linux · 2026-05-08 · 197 CVEs total

CVE-2026-434029.8 CRITICALkthread: consolidate kthread exit paths to prevent use-after-free
CVE-2026-433849.8 CRITICALnet/tcp-ao: Fix MAC comparison to be constant-time
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-2026-434149.8 CRITICALscsi: qla2xxx: Completely fix fcport double free
CVE-2026-433789.8 CRITICALsmb: server: fix use-after-free in smb2_open()
CVE-2026-433049.8 CRITICALlibceph: define and enforce CEPH_MAX_KEY_LEN
CVE-2026-434659.8 CRITICALnet/mlx5e: RX, Fix XDP multi-buf frag counting for striding RQ
CVE-2026-433799.8 CRITICALksmbd: fix use-after-free in smb_lazy_parent_lease_break_close()
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-2026-433228.8 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-2026-434038.8 HIGHnsfs: tighten permission checks for ns iteration ioctls
CVE-2026-433918.8 HIGHnsfs: tighten permission checks for handle opening
CVE-2026-432848.8 HIGHxfrm: esp: avoid in-place decrypt on shared skb frags
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-2026-433658.2 HIGHxfs: fix undersized l_iclog_roundoff values

Showing top 20 of 197 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-43446

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