CVE-2026-43498— accel/ivpu: Disallow re-exporting imported GEM objects
Possible ATT&CK Techniques 1AI
T1055 · Process InjectionAffected Version Matrix 6
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I. Basic Information for CVE-2026-43498
Vulnerability Information
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Vulnerability Title
accel/ivpu: Disallow re-exporting imported GEM objects
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: accel/ivpu: Disallow re-exporting imported GEM objects Prevent re-exporting of imported GEM buffers by adding a custom prime_handle_to_fd callback that checks if the object is imported and returns -EOPNOTSUPP if so. Re-exporting imported GEM buffers causes loss of buffer flags settings, leading to incorrect device access and data corruption.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-43498
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Patch · 2
Same Patch Batch · Linux · 2026-05-21 · 8 CVEs total
| CVE-2026-43502 | net/rds: handle zerocopy send cleanup before the message is queued | |
| CVE-2026-43501 | ipv6: rpl: reserve mac_len headroom when recompressed SRH grows | |
| CVE-2026-43499 | rtmutex: Use waiter::task instead of current in remove_waiter() | |
| CVE-2026-43497 | fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-after-free | |
| CVE-2026-43496 | net/sched: sch_red: Replace direct dequeue call with peek and qdisc_dequeue_peeked | |
| CVE-2026-43495 | net: wwan: t7xx: validate port_count against message length in t7xx_port_enum_msg_handler | |
| CVE-2026-43494 | net/rds: reset op_nents when zerocopy page pin fails |
IV. Related Vulnerabilities
Same product: Linux
- CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43499
rtmutex: Use waiter::task instead of current in remove_waite - CVE-2026-43497
fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-aft - CVE-2026-43496
net/sched: sch_red: Replace direct dequeue call with peek an
Same vendor: Linux
- CVE-2026-43502
net/rds: handle zerocopy send cleanup before the message is - CVE-2026-43501
ipv6: rpl: reserve mac_len headroom when recompressed SRH gr - CVE-2026-43499
rtmutex: Use waiter::task instead of current in remove_waite - CVE-2026-43497
fbdev: udlfb: add vm_ops to dlfb_ops_mmap to prevent use-aft - CVE-2026-43496
net/sched: sch_red: Replace direct dequeue call with peek an
V. Comments for CVE-2026-43498
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